Cleantech india booklet1301(1) 20130205 by Pradnesh Desai

WASTE-TO-ENERGY IN SWEDEN – SUppLIERS OF SUSTAINABLE SOLUTIONS

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preface The Swedish Energy Agency is a government authority for national energy policy issues. The Agency’s mission is to promote the development of the Swedish energy system in order to make it socially, ecologically and economically sustainable. International collaboration and dissemination of Swedish experience and environmental technology are important aspects in this work. The Energy Agency’s efforts to strengthen international collaboration in the field of waste-to-energy began in 2009 when a delegation from Sweden visited India with the specific interest to discuss ‘Biogas for Urban Infrastructure’. Since then the Agency’s inter-

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national work in this field has intensified and today it reflects in several bilateral initiatives. By communicating Swedish experience within the waste-to-energy sector, this booklet serves as the basis for further knowledge sharing and joint creation of sustainable waste management systems. Sweden has a long history of sustainable waste management backed by decades of gradual structural changes to stimulate the use of waste in the production of heat, power and vehicle fuel as well as capturing the potential in so many other residuals from society including waste water and surplus heat from industries.

Erik Brandsma Director General, Swedish Energy Agency

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Main supporting partners of the Waste-to-Energy initiative

The information in the booklet is a result of a combined effort between the Swedish Energy Agency and Environment and Energy clusters in Sweden as follows;

SwediSh government officeS The Government Offices form a single, integrated public authority comprising the Prime Minister’s Office, the Government Ministries and the Office for Administrative Affairs. In collaboration with other government organisations and the Swedish Embassies around the world, an important aim of the Government Offices is to build international relations and increase Swedish export of environmental technology, energy efficiency and infrastructure for sustainable urban development.

ASSET, The Association of Swedish Environmental Technology Industries – a network organisation for regional and national associations of environmental technology industries in Sweden. ASSETS:s mission it to leverage the work of the member organisations by creating business driven collaboration arenas and common projects.

Sida – the SwediSh international development cooperation agency Sida is a government organization under the Swedish Foreign Ministry. Sida administers approximately half of Sweden’s budget for development aid. Swedish development aid follows three thematic priorities; democracy and human rights, environment and climate change and gender equality and women’s rights.

Avfall Sverige - Swedish Waste Management. Is a stakeholder and trade association in the field of waste management and recycling with 400 members from both the public and the private waste management and recycling sectors. 99 per cent of the Swedish population are represented through Avfall Sverige. Avfall Sverige represents its members in dealings with politicians, other decision makers, authorities and media, both in Sweden and internationally. Within the framework of Avfall Sverige a new platform for export of Swedish know-how and technology regarding waste management is being developed. A number of players within the public and private waste management sector in Sweden are affiliated with this platform. Together they form a strong alliance for export of Swedish waste management knowledge and technology with a unique combination of competences.

The following consultancy companies have also been closely connected with the project; Cleantech Östergötland – holds the Chairmanship of ASSET and is responsible for promoting sustainable development and regional growth. Cleantech Östergötland is the lead-partner and manager of the production of this catalogue in cooperation with MAKSUS, ASSET, Avfall Sverige and ÅF Group. ÅF Group – a leader in technical consulting with expertise founded on more than a century of experience. The companies in the ÅF Group offer highly qualified services and solutions for industrial processes, infrastructure projects and the development of products and IT systems. The ÅF Group has extensive international experience and operations in the field of waste-to-energy providing engineering services in all phases of development projects MAKSUS – a consultancy firm specialised in international business development support with focus on sustainable urban development, clean technologies, and renewable energy.

footnote: The facts and data found in this booklet are to a high extent based on information from the following public websites; www.swedishenergyagency.se www.biogasportalen.se www.avfallsverige.se www.swedenvirotech.se www.symbiocity.org

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Introduction Sweden is internationally recognised as a global leader in recovering energy from waste as well as recovering surplus energy from different industrial operations. After reuse and recycling of material, including digestion of sorted organic waste for biogas and bio-fertiliser; approximately 50% of all municipal solid waste (MSW) in Sweden is converted into energy. The energy content is recovered through incineration in combined heat and power plants (CHP-plants). Waste is a valuable resource that replaces large quantities of fossil fuels and less than 1 % of the MSW ends up on landfills. From the CHP-plants the power is sold on the power market and the heat is distributed in district heating grids supplying cities with heating and hot water. The heat from the district heating grids can also be used to fuel Absorption Chilling Machines through which cool-

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ing can be distributed thereby reducing the load on the power grid normally caused by traditional power consuming air conditioning units. Sweden – once a troubled nation By the 1970s, decades of heavy industrialisation had finally taken their toll on Sweden. Polluted air, dead forests, wastelands and toxic water were everyday news. To cap it all, Sweden was the most oil-dependent country in the industrialised world. At the same time, the oil crisis of the mid 1970s showed how vulnerable the Swedish energy system had become. The drivers for development in Sweden Eventually, the negative events triggered political action and tougher legislation such as carbon dioxide taxes and bans on landfill disposal of organic waste. These actions spurred coop-

eration between local, regional and national authorities and private industry – and got ordinary citizens involved too. Gradually, companies began to turn notions of sustainability into reality, finding new ways to treat water, insulate buildings and develop automatic energy saving systems and alternative fuels. These innovations also turned out to be profitable. In the past decades these innovations have been put into practice on a wider scale, cutting the amount of oil that Swedes use for heating and electricity by a stunning 90%. These actions and initiatives have become important elements in the country’s efforts to become fully independent from fossil fuels. The Swedish government has introduced a target of producing 50% of the country’s total energy demand from renewable sources by 2020 and achieving complete carbon neutrality by 2050.

These targets further trigger a systematic approach where produced energy is used efficiently resulting in minimum losses. Partnerships to gain access to Swedish experience These innovative cutting edge technologies, policies and governance systems are not only applicable for Sweden – they are applicable any where given the right modifications regarding population, climate and culture. The purpose of this booklet is to describe Swedish experience and ways of thinking in terms of waste-to-energy and surplus energy recovery and to display a small selection of the Swedish companies active in this field in order to stimulate partnerships with international counterparts and the transfer of the Swedish technology and experience to overseas markets.

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The systematic approach The holistic and systematic approach to sustainable urban development is one of the key factors that has gained Sweden its position as a world leader in efficient use of renewable energy. Solutions are found by seeking synergies between urban functions which unlock both efficiency and ultimately profitability. Combine urban functions and prosper There are many ways to make urban functions efficient. But focusing on them separately will result in a sub-optimised system. It is the holistic approach that is the key to lessened energy demand and reduced environmental impact. Take water â&#x20AC;&#x201C; a scarcer resource than ever. Modern cleaning technology can produce drinking water from household wastewater. Along with household bio-waste, this waste-

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water could serve as a resource for the production of bio-methane and bio-fertilizer. By addressing these issues together it becomes possible to secure potable water, vehicle fuel and sustainable farming with the same system. Another example is surplus heat from industries. This excess heat is often found to be ventilated in cooling towers or in rivers or lakes. Instead, by linking the industrial system to a city, households and other processes can have cost efficient heating, cooling or even power that thereby substitutes other fossil based sources. Itâ&#x20AC;&#x2122;s important to recognise that a systems approach is not only a question of technology. Much more so, itâ&#x20AC;&#x2122;s a question of collaboration between public and private sectors and cooperation between different municipal departments enabling synergies to develop.

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WASTE FROM: • Households • Industry • Agriculture • Forestry • Waste Water Treatment Plants

SEWAGE TREATMENT

SEPARATION AT SOURCE

MIXED WASTE

SEPARATION AT SOURCE

Other fuels

RECYCLING

Biomass fuel

Waste based fuel

Residual waste

SOLID WASTE

DIGESTABLE WASTE

Incineration

Presorting

Landfill biocells

Degradable organic waste

Sludge

Landfill gas

Recyclables

Raw Construction material material

CHP-Plant Combined Heat and Power production

Industry

Reuse

Flue gas Surplus condensation heat

District Electricity heating or cooling Surplus steam

Biogas production through digestion

Steam industrial use

Compressed biogas (CBG)

BENEFICIARIES:

Biofertilizer

Manufacturing industry

Building sector

Consumer sector

Industrial sector

Cleaning and purification of the biogas

Public sector

Agricultural sector

Soil conditioner

Public gasgrid

Industrial sector

Public filling station

Public sector

Buses local trsp

Liquid biogas (LBG) Heavy duty vehicles Long dist. trsp

Transportation sector

The illustration shows how urban functions can be connected in order to enable efficient use of energy flows. As shown above, solid waste and sewage water from different sources are handled in an integrated system; ultimately the residuals may be recycled, incinerated, gasified, digested or otherwise purified for various uses.  Incineration of waste provides heat and power to the end-users – both for domestic and industrial use. Excess heat and steam from industrial processes are recovered enabling usage in other public or industrial functions. Both compressed and liquid biogas is produced from biodegradable waste and after upgrading it can be used as vehicle fuel. Through this systems approach a variety of residuals are successfully used to replace considerable amounts of fossil fuels. In a modern, efficient and sustainable society, everything is connected.

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Waste-to-Energy definition in this booklet: Recovery of wasted energy! Inefficient use of residuals in society can be found everywhere. For example surplus steam cooled of in cooling towers, agricultural waste dumped on unused land or municipal and industrial solid waste dumped on landfills etc. Swedish experience shows that it is often both financially and environmentally viable to recover these sources of energy. Over the past decades numerous initiatives and projects have been introduced in Sweden enabling such energy recovery. Recovery of wasted energy sources is divided into four different themes in this booklet.

10 waStewater treatment and Sludge management Examples include systems and processes that enable the utilization of energy in wastewater both in terms of thermal energy but also in terms of the extraction of energy from the matter content in the sewage through digestion with bio-methane and bio-fertiliser output.

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34 municipal Solid waSte management Examples include systems and processes that enable the recovery of energy in solid waste through incineration or gasification with both heat and power output or with the help of landfill gas extraction techniques where the gas can be used to produce either heat and power or alternatively bio-methane for vehicle fuel.

60 the biogaS SyStem Examples include systems and facilities for managing biodegradable waste with efficient production and innovative use of biogas. Apart from biogas generation, this theme also includes elements such as biogas upgrading to substitute compressed natural gas (CNG) and designing vehicle filling stations.

84 energy SyStemS for efficient utiliZation of SurpluS energy (induStry related) This theme includes examples of systems and processes for recovery of surplus energy from industrial processes mainly in the form of excess hot water and surplus steam that can be used to produce heat and power for external use. Other energy recovery systems include flue gas condensation from heat and power plants but also efficient use of biomass originating from waste by innovative fuel preparation methods

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Table of contents 1 - WASTEWATER TREATMENT AND SLUDGE MANAGEMENT

3 - THE BIOGAS SYSTEM

1.1 - SUCCESS CASE

3.1 - SUCCESS CASE

1.2 - ENGINEERING CONSULTANTS

3.2 - ENGINEERING CONSULTANTS

1.3 - TECHNOLOGY SUPPLIERS

3.3 - TECHNOLOGY SUPPLIERS

1.4 - CAPACITY BUILDING FOR PROCUREMENT, OPERATION & MAINTENANCE

3.4 - CAPACITY BUILDING FOR PROCUREMENT, OPERATION & MAINTENANCE

1.5 - DEVELOPERS

3.5 - DEVELOPERS

1.6 - CAPACITY BUILDING FOR INSTITUTIONAL STAKEHOLDERS

3.6 - CAPACITY BUILDING FOR INSTITUTIONAL STAKEHOLDERS

2 - MUNICIPAL SOLID WASTE MANAGEMENT

4 - ENERGY SYSTEM FOR EFFICIENT UTILIZATION OF SURPLUS ENERGY (INDUSTRY RELATED)

2.1 - SUCCESS CASE

4.1 - SUCCESS CASE

2.2 - ENGINEERING CONSULTANTS

4.2 - ENGINEERING CONSULTANTS

2.3 - TECHNOLOGY SUPPLIERS

4.3 - TECHNOLOGY SUPPLIERS

2.4 - CAPACITY BUILDING FOR PROCUREMENT, OPERATION & MAINTENANCE

4.4 - DEVELOPERS

2.5 - DEVELOPERS

4.5 - CAPACITY BUILDING FOR INSTITUTIONAL STAKEHOLDERS

2.6 - CAPACITY BUILDING FOR INSTITUTIONAL STAKEHOLDERS

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From a situation in the early 1970s, when a significant part of urban and industrial wastewater was discharged in altogether untreated form, today virtually all households in urban areas are connected to municipal sewage networks and roughly 95% of urban wastewater undergoes both biological and chemical treatment. This situation has been reached with the help of large government grants to improve wastewater treatment alongside major steps taken by industry to reduce their effluents to nature. These extensive measures taken during the last 40 years have made lakes and watercourses noticeably cleaner. Previously closed beaches have re-opened and conditions for water fauna have improved significantly. Major industrial facilities, such as mines and airports nowadays carry out their own wastewater treatment or pre-treatment. Sludge – a reSource During development of Swedish wastewater treatment facilities, sludge was considered a resource early on. The material can be used either as fertilizers or for civil

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works purposes and also in the production of biogas – all of which are better than disposal on landfill. In Sweden biogas production is a common element in sludge management, where the biogas produced can be used as vehicle fuel or to produce heat and power. Residues from the digestion process can be used as fertilizer or as covering material.

WASTE FROM: • Households • Industry • Agriculture • Forestry • Waste Water Treatment Plants

Produced biofuel

SEPARATION SEPAR P ATION PAR A AT A SOURCE

SEWAGE TREATMENT

SEPARATION AT SOURCE

MIXED WASTE

Other fuels

Residual waste

SOLID WASTE

Waste based fuel

RECYCLING

Presorting

Landfill biocells

Raw Construction material material

Industry

Reuse

Flue gas condensatio

Surplus

Degradable organic waste

District heating or cooling

Biogas production through digestion

Building sector

Consumer sector

Industrial sector

Purification and Upgrading of the biogas

Steam industrial use

Biofertilizer

Manufacturing industry

Sludge

Landfill gas

Combined Heat and Power Plant

Electricity

induStry triggerS innovationS The combination of an early start in the construction of wastewater treatment infrastructure and relatively strict environmental legislation has resulted in both public and private sectors gaining experience in this sector. Furthermore, Swedish wastewater treatment technology is also strong in areas where Swedish industry is strong; i.e. forestry, pulp and paper, steel and iron industry, mining, engineering and manufacturing industry as well as in the pharmaceutical industry. Innovative technologies and methods to optimise sludge management and biogas production are continuously being introduced by Swedish companies.

DIGESTABLE T TABLE WASTE W

Incineration

ENERGY RECOVERY

Recyclables

BENEFICIARIES:

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT

Public sector

Agricultural sector

Soil conditioner

Industrial sector

Public sector

Transportation sector

the dotted line provideS an indication of proceSSeS covered by thiS theme. See alSo main illuStration in page 7.

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1.1 SUCCESS CASE “RyAVERKET”.

ThE RyA WWTp IN GOThENBURG - ThE GOThENBURG REGIONAL SEWAGE AND BIOGAS pLANT Built in 1972 the Rya wastewater treatment plant (WWTP) treats wastewater from the entire Gothenburg region. The plant, operated by Gryaab AB, has steadily expanded and now handles an average of 4.000 litres of wastewater per second from nearly 700.000 inhabitants. innovative conStruction The Rya WWTP has a very limited geographical footprint and therefore Gryaab has found innovative solutions so it can grow despite this. Nitrification in trickling filters instead of conventional basins and compact disc filters instead of conventional sand filters are two ways the plant saves on space. from Sludge to fertiliZer and topSoil The Rya WWTP generates some 55.000 tonnes of sludge each year. The bulk of it is composted and used as topsoil. Some is stored for six months to allow harmful bacteria to die out and then used as fertilizer on farmland.

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from Sludge to biogaS Anaerobic digestion of sewage sludge creates biogas, which is an excellent energy source. The Rya WWTP produces over 60 GWh of biogas per year and receives fats and organic waste from restaurants, schools and food producers across the region to boost biogas production. Gryaab AB sells the raw biogas to the power company, Göteborg Energi AB where it is upgraded and then sold to Fordonsgas Sverige AB who in turn sells it to consumers as a vehicle fuel. heat from waStewater Before being discharged into the Göta river, some of the treated effluent from the plant is pumped to the nearby Göteborg Energi AB heat pump plant where heat exchangers extract heat from the wastewater and transfer it to the district heating system. This, otherwise wasted energy, accounts for about 7% of Gothenburg’s district heating.

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1.2 ENGINEERING CONSULTANTS

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COWI contact e-mail web

Anders Lidqvist, Hans Elmeklo anli@cowi.se, haeo@cowi.se www.cowi.com

offer: COWI provides consultancy services on the treatment and handling of municipal and industrial wastewater internationally. Detailed knowledge of wastewater treatment processes, combined with automatic on-line control, improves the possibility to increase efficiency of treatment processes. COWI’s services include all facets of handling and treatment of wastewater and sludge including: • • • • •

Planning and legislation Preliminary and detailed design Preparation of tender documents and tender procedures Construction supervision Operation and training of operational staff

reference proJect: AgroEtanol AB, Norrköping, Sweden New upgraded ethanol plant, 2005- 2008 Basic and detailed design of a new fuel-ethanol production line with a capacity of 150000 m³/year. The existing production line includes a grain loading and handling facility, starch conversion, fermentation, distillation and dehydration, DDGS (Distiller’s Dried Grains with Solubles) drying and unloading of ethanol and DDGS. The upgrading involved implementation of a new wastewater treatment system. COWI’s tasks, among others, were to prepare wastewater and clean water specifications, integration with the ethanol plant, technical specifications, selection of technology and subsequent suppliers, construction supervision etc.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.2 ENGINEERING CONSULTANTS

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Urban Water contact e-mail web

Erik K채rrman erik.karrman@urbanwater.se www.urbanwater.se

offer: The mission of Urban Water is to provide research-based decision support for strategic planning and development of urban water and wastewater systems. We view water and wastewater systems not only as infrastructure, but include also aspects of organizational responsibilities, management, and public involvement in our approach. In this way we work to assure that future water and wastewater systems will contribute to a more sustainable urban environment. reference proJect: The vision for the township Stockholm Royal Seaport is that it will serve as an international example for sustainable urban development. As part of the planning process, Urban Water investigated seven different system configurations for management of wastewater and organic waste. The alternatives were evaluated in terms of criteria for: plant nutrient and energy resources management, emissions to water, soil and atmosphere, economy, organizational and user aspects, and technical function. Urban Water has carried out similar projects in other cities. These projects are often finalized with a multi-criteria analysis, where stakeholders are invited to discuss weighting of the different criteria in order to provide a ranking of the investigated system configurations.

Source: city of Stockholm and dynagraph

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.2 ENGINEERING CONSULTANTS

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Sweco contact e-mail web

Patrik Marckert patrik.marckert@sweco.se www.sweco.se

offer: Sweco supplies all kinds of consulting and engineering services for municipal wastewater treatment – including planning, process design, engineering, procurement, supervision, start-up and process optimization. We cover the whole process – including pre-treatment, biological, chemical and further tertiary treatment, as well as sludge management, digestion, dewatering and recycling/final disposal. Energy aspects are accounted for in all relevant aspects – including minimized energy consumption in the treatment process and pumping stages, as well as energy generation from sludge digestion. Our working area is world-wide – focusing on Europe and Asia. reference proJect: The new As-Samra wastewater treatment plant in Amman, Jordan, a BOT project, (Build - Operate - Transfer) was designed for 3.3 million persons and 420 000 m3/day, and was started up in 2009. The plant includes primary and biological treatment, sludge digestion for biogas generation, and utilizing treated wastewater for irrigation. Energy optimization includes hydroelectric power generation from influent and effluent wastewater (utilizing existing level differences), and CHP (Combined Heat and Power) plant burning biogas, to render the plant self-supporting in terms of electrical power. Sweco, as consultant to the Ministry of Water and Irrigation, provided services such as preliminary design and technical specifications, preparation of procurement and contract documents for the BOT project, evaluation of pre-qualifications and tenders, as well as supervision and administration during construction.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.2 ENGINEERING CONSULTANTS

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ÅF contact e-mail web

Sten-Åke Barr sten-ake.barr@afconsult.com www.afconsult.com

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.2 ENGINEERING CONSULTANTS

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1.3 technology suppliers

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Aqua-Q contact e-mail web

Ulla och Sudhir Chowdury ulla@aqua-q.se, sudhir@aqua-q.se www.aqua-q.se

offer: Aqua-Q provides real-time, online, innovative and cost effective solutions to monitor the quality of re-circulated industrial wastewater and municipal drinking water. Aqua-Q also offers consultancy services regarding monitoring of water quality. The founders of Aqua-Q’s have more than 20 years of experience in the field of water management. Aqua-Q’s real-time monitoring system is a result of long-term collaboration between the company founders and the Royal institute of Technology in Stockholm (KTH) and the Swedish Environmental Research Institute (IVL). reference proJect: Aqua-Q’s innovative real-time monitoring system WQM-100 and AQS water sampler is used at the research test-bed at Hammarby Sjöstadsverk, an R&D wastewater treatment facility in Stockholm which is owned by IVL and KTH. This system registers and reports the deviation in the water quality in real-time. This reference project is of high importance as clean and safe water is a scarce commodity and the reuse of wastewater is essential to meet the demand of the growing population. Treated reused wastewater requires real time on-line stringent quality control.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.3 TEChNOLOGy SUppLIERS

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GlobeWater contact e-mail web

Pontus Schwalbe pontus.schwalbe@globe-water.se www.globe-water.se

offer: Globe Water offers special eco-technical technologies based on own patented methods for purification of water and soil – Ecosoil®, Sorbus Stormwater® and Sorbus Leachate® Technologies and methods include trapping and reusing nutrients and metals from human activities. These eco-technology methods are cost- and resource effective and are proven by three EU-projects and Universities in Sweden, Germany, Poland, Russia and Ukraina Patented technologies and methods are offered for • treatment of water from small industries. • on-site decontaminating of soil from harmful substances. • treatment of storm water from urban areas and motorways. reference proJect: Globe Water managed the development of a treatment plant for landfill leachate on the Tveta landfill site near Stockholm. The site had a total land area of approximately 2.000 m2, comprising eight compact wetland dams, as well as a chemical precipitation stage for heavy metals. The project captured 85-95% of all heavy metals, 60% of the estimated Nitrogen and 90% of the estimated Phosphorus.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.3 TEChNOLOGy SUppLIERS

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KONSEB contact e-mail web

Eddie Bjelton info@konseb.com www.konseb.com

offer: KONSEB delivers modern, very specific and custom-made technologies solving difficult problems within sludge handling and resource recovery. Relevant technologies offered are â&#x20AC;˘

â&#x20AC;˘

dab, representing an efficient but simple, cost effective and robust technology for thickening or dewatering any sludge regardless of whether it is municipal or industrial. The DAB technology is suitable for small and medium units. dabSuS (DAB Sludge Utilization System) turns septic sludge, which is classified as hazardous waste, into an useful and valuable organic fertilizer. The technology makes people healthier and richer.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.3 TEChNOLOGy SUppLIERS

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Sorubin contact e-mail web

Stefan Sandström stefan.sandstrom@sorubin.se www.sorubin.com

offer: Sorubin offers energy and cost effective, sturdy aerators for industrial applications. This includes process water, effluent, wastewater, landfill leachate and similar for the 1.5 – 6m depth range for activated sludge and similar dams. Sorubin also offers OptusFlow Floating Baffles System for optimizing retention time and water treatment. In 2014 Sorubin will launch its new product line in non-clogging wastewater pumps. Sorubin is looking for strategic partners. reference proJect: Apart from 20+ Swedish municipalities and municipal companies, Sorubin’s energy effective aerators are found at food process plants: Abba Seafood (fish), Dafgårds (meat) and Nestlé (juices). Scottish Water and a paper plant also save money and energy with Sorubin’s aerators.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.3 TEChNOLOGy SUppLIERS

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Envic Sense contact e-mail web

Peter Gårdhagen, Eva-Lena Gårdhagen peter.gardhagen@envic-sense.com, evalena.gardhagen@envic-sense.com www.envic-sense.com

offer: Screening of process material, wastewater and landfills for energy production is crucial to be able to reduce environmental impact. Environmental impact may cause severe health problems to humans, animals and crops. Envic Sense provides a rapid test called FREEDD. This test detects heavy metals and other toxic substances in different types of wastewater including waste disposal leachate and run-off water. The method and technology is very useful when extremely toxic substances are suspected and there is no time for delay and costs must be kept down. The technology provides rapid test results at low cost per sample and is very user friendly. reference proJect: FREEDD has been proven in a large remediation project. The project task was to secure fresh water supply for Gothenburg City in the river Göta Älv.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.3 TEChNOLOGy SUppLIERS

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EcoLoo AB contact e-mail web

Imad Agi mail@ecoloo.eu www.ecoloo.eu

offer: EcoLoo AB is a Swedish GREEN innovation company. We develop, build and market unique & patented innovations and Environmental solutions. Our patent-pending toilet solution is affordable, sustainable, odour-free, maintenance-free, consumes no energy or water, and the end product is fertilizer. It is biological and needs no further investment for end users, nor any expenses related to energy, water, transport, treatment or any other costs. Our goal is not only to establish a profitable business, but an effective, long-term and sustainable one based on an “Inclusive Business Model” and Sustainability in order to create job and business opportunities locally starting at production, distribution, installation & support to the collection and reuse/sales of the fertilizer generated in the system. The sanitation solution we offer has a huge potential (outdoors & indoors), and will have a domino positive impact on Environment, poverty, health, water, energy, women, organic agriculture, food security & quality, society, well being & stability in many ways; especially if we engage CSR companies, NGO’s, NPO’s, help organizations, UN, development programs and banks in the process. reference proJect: Sweden – Ekenäs Hotel – Koster Islands (National Park) – Strömstad’s Municipality. Sweden – Bassholmen Natural Reserve Island – Uddevalla Municipality. Sweden – Susedalen Rest Area – Falkenberg’s Municipality: Zero Cost. All the facility’s maintenance is financed by the sale of the natural fertilizer produced during the process. Local farmers buy and use the organic fertilizer for their organic agriculture. Portugal – Boom Festival 2010 – Installation of 160 composting toilet units for 24.000 visitors during the 10 days of the festival.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.3 TEChNOLOGy SUppLIERS

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Järven Ecotech contact e-mail web

Fredrik Agerhem fredrik.agerhem@jarven.se www.jarven.se/ecotech

offer: Järven Ecotech is a leading provider of floating baffles/walls and energy efficient aeration products for industrial level water treatment, including wastewater, storm water and landfill leachate. We provide key solutions for industries and public water distributors (municipalities and water utilities) with wastewater treatment requirements. reference proJect: Tekniska Verken, the regional waste-to-energy company in Linköping, has installed our AIRTURBO-aerators and Järven floating baffles. With our system the costumer can create anaerobic and aerobic zones within the same leachate pond. With our Järven floating baffles we also create superior hydraulic conditions with excellent sedimentation properties.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.3 TEChNOLOGy SUppLIERS

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1.4 CAPACITY BUILDING FOR PROCUREMENT, OPERATION & MAINTENANCE

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Umeva contact e-mail web

Tomas Blomqvist, Simone Andersson tomas.blomqvist@umeva.se, simone.andersson@umeva.se www.umeva.se and www.umeaenergi.se

offer: The municipally owned company, Umeva, is responsible for water, sewage, waste and recycling within Umeå municipality. Umeva´s assignment is to provide the citizens in Umeå municipality with high quality drinking water, to manage household waste, to treat the wastewater and to manage recyclable material; always with the environment as the primary driver. With many years of experience concerning wastewater treatment Umeva has a lot to offer. reference proJect: Umeå’s wastewater treatment plant receives approximately 13 million m³ wastewater every year. The plant is dimensioned to manage the equivalent of 116.000 people today (Swedish measures) and has the capacity to clean 3.600 m³ wastewater every hour. The plant was reconditioned in 2012. The cleaning effect is first class and under normal conditions the process removes 95% of organic material and phosphorous in the wastewater. The remaining sludge is digested for biogas production.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.4 CApACITy BUILDING FOR pROCUREMENT, OpERATION & MAINTENANCE

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Eskilstuna Energy & Environment contact e-mail web

Ms Audrone Simule audrone.simule@eem.se www.eem.se

offer: Eskilstuna Energy and Environment is the Eskilstuna municipality corporation responsible for the city’s management of water, wastewater and solid wastes, distribution and selling of electricity, district heating and cooling, handling, and IT com- munications. We have a board of directors that is politically appointed and a management team that has purposefully invested in a production and handling that is effective and in harmony with the environment. Eskilstuna Energy and Environment can offer collaboration enabling transfer of knowledge and experience regarding municipal management including collection of raw material, organic waste management, sustainable operation and management of biogas production and purification. We are closely following and actively join research and development in all our field of operation not only covering technology matters but also corporate culture and development, business development and customer behaviour ensuring cutting edge services and technologies. reference proJect: Starting 2009, a collaboration has been developed between Eskilstuna Energy and Environment and the City of Mysore in Karnataka, India. The collaboration has focussed on the project ”Organic waste management for biogas production”, funded by ICLD (International Center for Local Democracy) including support and transfer of knowledge enabling Mysore to build a sustainable system for handling organic waste for biogas production. It is envisaged that the collaboration will continue beyond public support where the ultimate goal of the collaboration is implementation of a biogas plant with operation based on organic substrates from the municipality.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.4 CApACITy BUILDING FOR pROCUREMENT, OpERATION & MAINTENANCE

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1.5 DEVELOPERS

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residues. • Renetech achieves this by assisting local residue owners to develop appropriate plans, technology solutions and implementation routines.

• Renetech develops projects in collaboration with technology providers, contractors, equity partners and Renetech local stakeholders. contact e-mail web

Tom Walsh tom.walsh@renetech.net www.renetech.net

offer: • Renetech is focussed on optimising the value and recovering the nutrients from sludges and organic residues. • Renetech achieves this by assisting local residue owners to develop appropriate plans, technology solutions and implementation routines. • Renetech develops projects in collaboration with technology providers, contractors, equity partners and local stakeholders. reference proJect: • Renetech is engaged in a EU FP7 funded project called REFERTIL which is focussed on “Reducing mineral fertilisers and chemicals use in agriculture by recycling treated organic waste as compost and biochar products”. • The project mission is to contribute to the transformation of urban organic waste, food industrial by-products and farm organic residues from a costly disposal process into an income generating activity. • The improved output products will be safe, economical and standardized compost and biochar products containing phosphorous and nitrogen that can be economically and beneficially used in agriculture. http://refertil.info/

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.5 DEVELOpERS

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1.6 CAPACITY BUILDING FOR INSTITUTIONAL STAKEHOLDERS

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IVL contact e-mail web

Östen Ekengren osten.ekengren@ivl.se www.ivl.se

offer: IVL has long experience on how to optimise the use of ordinary activated sludge from wastewater treatment plants. IVL operates Sjöstadsverken, Sweden’s largest pilot plant for the treatment of sewage from wastewater treatment plants. reference proJect: IVL has experience on how to upgrade the outfall by preparing the sludge in a proper manner and also on how to minimise the Nitrogen content with ANAMMOX technology. Furthermore, IVL also has experience on how to upgrade biogas and how to evaluate optimal end use.

WASTEWATER TREATMENT AND SLUDGE MANAGEMENT 1.6 CApACITy BUILDING FOR INSTITUTIONAL STAKEhOLDERS

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Sweden’s first priority in its waste management strategy is to prevent waste generation and that the maximum possible use should be made of the resources that waste represents. Strong political will and commitment, together with public support, are key elements in achieving this goal. Because waste management in Sweden is the responsibility of local governments a great deal of competence is tied in with these governments as well. Centralised waste incineration was introduced as early as the 1950s in Sweden, with extensive development during the oil crisis in the 1970s. This gave Sweden an advantage in the development of waste incineration know-how and technology internationally. In the mid 1980s knowledge was gained about the extent of dioxin emissions from these processes. This lead to a moratorium on new incineration plants which in turn lead to the development of advanced and secure flue gas treatment technologies to reduce dioxins and other environmentally hazardous substances to a fraction of previous levels. With a unified political ambition to eliminate landfilling of waste, the disposal of combustible and organic waste on landfill was prohibited in 2002 and 2005 respectively. This further triggered the introduction of alternative systems and methods for waste treatment.

gy resource. Carbon taxes, high landfill disposal taxes and also tough recycling and recovery targets have been widely accepted by the public. Also, large-scale sustainable source separation of waste in almost every municipality has been introduced. As a result, as much as 99% of the household waste is recovered in one way or another; recycled waste gives new products, biodegradable waste is converted into biogas and fertilizer and the energy content in combustible waste is recovered to heat and power. At the same time, a number of old landfills continue to produce methane gas and in order to include these into the sustainable waste management system they have been equipped with technology for recovering the biogas to be used for heat and power production.

waSte – a reSource Today more than 20% of the domestic heat demand in Sweden is covered by incineration of MSW and waste-to-energy has been recognised as a renewable ener-

Also, a business environment encouraging new innovative technologies and supporting development of new companies in the waste management sector has been an important driver.

WASTE FROM: • Households • Industry • Agriculture • Forestry • Waste Water Treatment Plants

Produced biofuel

SEPARATION SEPAR P ATION PAR A AT A SOURCE

SEWAGE TREATMENT

SEPARATION AT SOURCE

MIXED WASTE

Other fuels

Residual waste

SOLID WASTE

Waste based fuel

RECYCLING

Presorting

Landfill biocells

Industry

Reuse

Flue gas Surplus condensation heat

Surplus steam

Degradable organic waste

District heating or cooling

Biogas production through digestion

Building sector

Consumer sector

Industrial sector

Purification and Upgrading of the biogas

Steam industrial use

Liquid biogas (LBG)

Biofertilizer

Manufacturing industry

Sludge

Landfill gas

Combined Heat and Power Plant

Electricity

Raw Construction material material

DIGESTABLE T TABLE WASTE W

Incineration

ENERGY RECOVERY

Recyclables

BENEFICIARIES:

MUNICIpAL SOLID WASTE MANAGEMENT

Public sector

Agricultural sector

Soil conditioner

Industrial sector

Public sector

Transportation sector

the dotted line provideS an indication of proceSSeS covered by thiS theme. See alSo main illuStration in page 7.

collaboration for progreSS Success factors leading to today’s achievements are both technical and institutional. Some of these success factors are: • a clear division of roles and responsibilities enabling necessary investments, • the enforcement of long-term regulations and economic incentives, • the cooperation between municipalities and collaboration between public and private sectors

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2.1 SUCCESS CASE ’ESKILSTUNA MUNICIpALITy’

ThE MOST ENVIRONMENTALLy FRIENDLy SWEDISh MUNICIpALITy IN 2012 In 2012, the City of Eskilstuna was awarded the prize, ‘Most Environmentally Friendly Swedish Municipality’, a position reached by having a broad and systematic approach to environmental protection and sustainable development. The Municipality’s goals for sustainability are strategically and systematically monitored and reviewed to secure long-term development and results. StrategieS for SuStainability become a reality In everyday life these strategies are transformed into concrete systems and facilities, such as the unique optical sorting of household waste making source separation an easy task. Each waste type is disposed in a type specific coloured bag and can then easily be disposed of in the same

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rubbish bin. An optical sorting system based on these coloured bags then enables the production of a clean organic fraction for the production of biogas and also increased levels of recycling. Another example is the public transport system where busses run on biogas fuel only. Eskilstuna also hosts the largest wetland for wastewater treatment and more than 95% of the fuel for the combined heat and power plant is biomass. The majority of these results are the outcome of projects initiated by Eskilstuna Energy & Environment, the municipally owned multi-utility company. But even more important, was the commitment of the citizens who contributed by sorting their waste, by choosing to cycle instead of drive and by using less power for domestic purposes.

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2.2 ENGINEERING CONSULTANTS

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Calambio Engineering AB contact e-mail web

Pär Stenberg, Thomas Riedenfalk stenberg@calambio.se, t.r@calambio.se www.calambio.se

offer: Calambio Engineering AB offers more than 100 years of experience in principal and detail design of all kinds of combustion and cogeneration plants. We specialize in project management for cost effective total solutions. Typical projects include complex fuels and logistics such as biomass, household waste, industrial waste, hazardous waste, animal byproducts etc. We also engineer flue gas scrubbers and rebuild of existing plants. referenceS: Examples of typical projects include: Perstorp Speciality Chemicals AB – Industrial backpressure based on waste and animal byproducts. 55 MWth, 6 MWel. For the same client 40 MWth hazardous liquid waste including tank park. Västervik Miljö & Energi AB. 20 MWth 5 MWel based on household and industrial waste, including complete fuel preparation plant. For Perstorp Oxo AB, 90 MWth waste gas combustion.

MUNICIpAL SOLID WASTE MANAGEMENT 2.2 ENGINEERING CONSULTANTS

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COWI contact e-mail web

Anders Lidqvist, Hans Elmeklo anli@cowi.se, haeo@cowi.se www.cowi.com

offer: COWI provides multidisciplinary services for environmentally sound thermal treatment of combustible waste at waste-to-energy plants and also utilisation of the energy in waste and biomass. COWI can assist in all aspects of the establishment of modern thermal treatment facilities. We provide all services from environmental and economic assessments through procurement to construction supervision and commissioning as well as project management. COWI’s services include • Feasibility studies, conceptual design, front-end design, EIA, etc. • Planning and design of new waste-to-energy and biomass plants and upgrading of existing plants • Upgrading of flue gas cleaning systems • Review of alternative treatment technologies (e.g gasification, pyrolysis, liquefaction) • Benchmarking of a large number of waste-to-energy facilities • Assessment of potential for and benefits from private sector participation (PPP). reference proJect: IL&FS Delhi, India Biogasproduction from organic household waste and slaughterhouse waste 2010-2011 Concept study for the integration of a biogas digesting facility in the Ghazipur area in Delhi with existing assets like an open landfill, a slaughterhouse, a wastewater treatment plant and a waste incineration plant. The study resulted in an integration model, a basic design of a biogas digester system, investment cost and profitability calculation. The project was financed by Sida. Total scope of the study was �200000.

MUNICIpAL SOLID WASTE MANAGEMENT 2.2 ENGINEERING CONSULTANTS

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Tengbom contact e-mail web

Magnus Meyer magnus.meyer@tengbom.se www.tengbom.se

offer: Tengbom is one of the leading architecture firms in Sweden and the Nordic region, with around 550 employees at eleven offices in Sweden. Tengbom stands for forward-looking architecture that combines humanism with function. Tengbom is characterised by an entrepreneurial team spirit that makes us an innovative and effective partner, capable of realising our clients’ ideas and visions. reference proJect: Övik Energy’s new power plant at the Torsvik site, Sweden The new power plant in Örnsköldsvik, designed by Tengbom, is designed to produce heat and power and is fuelled by a variety of biofuels. Generated output is forecast at 200 MW of heat and 60 MW of power. The total investment for the project is approximately 100Mln The existing Torsvik CHP-plant generates enough heat and power to supply more than 15.000 homes. Combustion takes place in a steam boiler, while flue gas is cleaned and released into the air through the tall stack. Emissions are continuously and carefully monitored and kept well within legislated parameters. Nominal power generated is 16.2 MW. The Torsvik waste-to-energy plant covers approximately half the demand for district heating in the area on a yearly basis. During the cold season, energy from heat pumps and bio-fuelled boilers is added. Also organic waste is pretreated at Torsvik to be prepared for further processing into biogas and bio-fertilizer. The plant produces enough biogas to replace 1.6Mln liters of petrol.

MUNICIpAL SOLID WASTE MANAGEMENT 2.2 ENGINEERING CONSULTANTS

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Sweco contact e-mail web

Patrik Marckert patrik.marckert@sweco.se www.sweco.se

offer: Efficient Solid Waste Management is crucial for sustainable development. Wastes are simply resources handled the wrong way. Sweco has decades of experience from waste management projects globally, from feasibility studies to design, supervision of construction and implementation of waste management facilities and systems. Other important project components are developing the skills of those who use the systems and the awareness in the society witch the system is set to serve. reference proJect: The Government of Georgia has identified solid waste disposal as an acute problem and recently begun reforming the existing waste management system. Sweco Environment was in 2012 awarded a project to assist Swedish International Development Cooperation Agency and Swedish Environmental Protection Agency in their support of the development of a Solid Waste Management Vision and a Waste Management Action Plan for the new State-owned Solid Waste Management (SWM) Company of Georgia aiming to optimise the waste handling in order to help saving scarce natural resources.

MUNICIpAL SOLID WASTE MANAGEMENT 2.2 ENGINEERING CONSULTANTS

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ÅF contact e-mail web

Sten-Åke Barr sten-ake.barr@afconsult.com www.afconsult.com

reference proJect: Donetsk, Ukraine Waste to Energy Project, Proletarskij District Project main scope Swedish company, build own and operate (BOO) WtE plant 450 000 ton/year MSW ÅF Services provided Project Management, Technical, legal and commercial support, Preparation of tender documents and EPC turn-key contract negotiations, Owners Engineer

MUNICIpAL SOLID WASTE MANAGEMENT 2.2 ENGINEERING CONSULTANTS

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2.3 technology suppliers

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Envac contact e-mail web

Jonas TĂśrnblom, Christoffer Eksandh jonas.tornblom@envac.se, christoffer.eksandh@envac.se www.envac.se

offer: Envac Automated Waste Collection: A revolutionary automated collection system that uses air to transport waste using pneumatic suction. No trucks, no odour and almost no labour to collect waste in cities and townships in a completely water and airtight system. An absolute solution for waste management with better segregation up to 4 fractions and compacting of waste before final treatment that has very low cost of maintenance with a short payback period. reference proJect: Wembley City is a development by Quintain Estate and Development PLC of 85 aces of land and 4,200 flats surrounding the new national stadium since 2008. Four waste fractions are collected: non recyclables, dry recyclables, organic recyclables and cardboard. Envac has three installations underway in India â&#x20AC;&#x201C; Vivarea by K Raheja in Mumbai, Atmosphere by Forum Projects in Kolkata and OFS near T3 terminal in Delhi.

MUNICIpAL SOLID WASTE MANAGEMENT 2.3 TEChNOLOGy SUppLIERS

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ScanArc Plasma Technologies contact e-mail web

Lena Birgersson lena.birgersson@scanarc.se www.scanarc.se

offer: ScanArc Plasma Technologies has developed a gasification process called PyroArc. The process recovers energy and metals from residuals after industrial processes such as electronic scrap waste and tannery waste. The plasma technology is a cost effective and environmentally sound technique for transferring electrical energy into high temperatures. ScanArc has developed and used plasma technology in commercial scale metallurgical processes for more than 20 years. reference proJect: ScanArc Plasma Technologies AB manufactures non-transferred, segmented type plasma generators in which a gas is heated by an electric arc to high temperature. In 2000 ScanArc Plasma Technologies commissioned a tannery waste gasification plant in OsterĂ¸y, Norway. The plant has an annual capacity to treat 7000 tons per year for recovery of chromium. The energy is recycled to the tannery as power and steam.

MUNICIpAL SOLID WASTE MANAGEMENT 2.3 TEChNOLOGy SUppLIERS

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SAKAB contact e-mail web

Johanna Telander johanna.telander@sakab.se www.sakab.se

offer: SAKAB is, since the 1980s, Swedenâ&#x20AC;&#x2122;s most complete and differentiated processor of hazardous waste and service provider in the field of environmental management. SAKABâ&#x20AC;&#x2122;s mission is to remove hazardous substances from the Eco-cycle, SAKAB provides treatment solutions for most types of hazardous waste. SAKAB plays a key role in efforts to achieve a non-toxic environment in Sweden and abroad and annually treats approximately 450.000 tons of waste, both industrial and municipal, at the treatment facility in Kumla, Sweden, 200 kilometers west of Stockholm. The treatment facility was commissioned in 1983 and offers processes such as high-temperature incineration, evaporation, treatment of contaminated soil, physical-chemical treatment, mercury stabilization and landfilling of hazardous waste. Access to reliable hazardous waste treatment is paramount in achieving a sustainable waste management system with energy extraction. When waste is used as fuel to produce heat, power or fuel such as biogas it is essential that these streams of waste are without contamination of hazardous materials such as e.g. mercury, lead or any other of the numerous hazardous compounds present in modern waste.

reference proJect: SAKAB serves clients in Norway, Ukraine, Greece, Latvia, Lithuania, among others and has performed treatment projects funded by UN in Albania, Montenegro and Macedonia.

MUNICIpAL SOLID WASTE MANAGEMENT 2.3 TEChNOLOGy SUppLIERS

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Biogas Systems contact e-mail web

Tony Zetterfeldt tony.zetterfeldt@biogassystems.se www.biogassystems.com

offer: Biogas Systems designs and constructs landfill gas systems for green power production. Biogas Systems is a reliable partner in creating biogas solutions for environmentally friendly power production. reference proJect: In 2011 and 2012, Biogas Systems commissioned three new landfill gas plants for power production in Belarus. Other relevant references include 6 new landfill gas systems in Sweden during 2011 and 2012. In 2012, Biogas Systems was also as sub-contractor in the development and installation of one of Europeâ&#x20AC;&#x2122;s largest biogas plants in Oslo, Norway.

MUNICIpAL SOLID WASTE MANAGEMENT 2.3 TEChNOLOGy SUppLIERS

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Götaverken Miljö contact e-mail web

Lennart Gustafsson lennart.gustafsson@gmab.se www.gmb.se

offer: Dioxin emissions is a very serious issue, both with regard to the direct threat to flora and fauna, but also in terms of human psychology and attitudes towards the perpetrator. Götaverken Miljö AB offers the ADIOX® technology which is an efficient, safe and cost-effective technology for removing dioxins from flue-gases. The use of ADIOX® for dioxin removal is now introduced into the market as different types of tower packings or as droplet separators of the knitted mesh type or the lamella type. The material can be supplied as bulk material to end users for installation in existing wet scrubbers or as absorber installations in the form of package units to new flue gas treatment plants or alternatively to limited extensions. Efficient dioxin removal is an essential component in sustainable and environmentally friendly waste incineration technology. reference proJect: In May 2010 Entsorgung St. Gallen awarded Götaverken Miljö the contract on upgrading the existing flue-gas treatment system of line 1 and 2 with a dry ADIOX® absorber for dioxin removal. This is the first installation in Switzerland where ADIOX® is used for dioxin removal. The waste treatment plant was taken into operation in September 2010.

MUNICIpAL SOLID WASTE MANAGEMENT 2.3 TEChNOLOGy SUppLIERS

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2.4 CAPACITY BUILDING FOR PROCUREMENT, OPERATION & MAINTENANCE

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Umeå Energi contact e-mail web

Jörgen Carlsson jorgen.carlsson@umeaenergi.se www.umeaenergi.se

offer: The municipal company, Umeå Energi, has one of the best electricity grids in the world, it always offers 100% renewable energy and environmentally friendly district heating and district cooling. Umeå Energy is the municipalities own energy company and works for a sustainable future. Due to the long experience of waste incineration Umeå Energi can provide valuable knowledge and experience. Umeå Energi can also carry out feasibility studies within the area of waste-to-energy. reference proJect: Dåva CHP is one of the world’s most energy efficient and environmentally friendly plants with waste as its main fuel. Dåva has two lines, Dåva 1 and Dåva 2. The Dåva facility produces both heat and power with a total output of 170 MW. In Dåva 1, incineration capacity is 20 tons per hour and waste is the primary fuel. Production takes place in a way that is gentle on the environment and minimizes emissions through a highly advanced filtration system. In Dåva 2 bio-fuels such as logging-residuals, wood chips, bark, sawdust and peat are used as fuels.

MUNICIpAL SOLID WASTE MANAGEMENT 2.4 CApACITy BUILDING FOR pROCUREMENT, OpERATION & MAINTENANCE

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Renova contact e-mail web

Karin Lindroth karin.lindroth@renova.se www.renova.se

offer: Renova’s waste-fuelled district heating power plant is packed with world leading energy efficient technology. Energy recovery provides power equivalent to the annual consumption of 60.000 apartments and the energy equivalent to more than 120.000 tons of oil per year – while still presenting a sharp, continuous reduction in greenhouse gas emissions. Renova offers in-depth knowledge in waste management, such as feasibility studies, planning, analyses and training. reference proJect: The European Union selected Renova’s waste-fuelled district heating power plant at Sävenäs as one of twelve good examples of an ecoefficient economy.

MUNICIpAL SOLID WASTE MANAGEMENT 2.4 CApACITy BUILDING FOR pROCUREMENT, OpERATION & MAINTENANCE

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NSR â&#x20AC;&#x201C; Municipal Waste Management contact e-mail web

Ms Ă&#x2026;sa Winkler asa.winkler@nsr.se www.nsr.se

offer: NSR is the Public Utility Company specialized in Waste to Energy in south of Sweden. Serving 9 municipalities and 225 000 inhabitants, the total amount of waste treated reach more than 470 000 tonnes/year. Of this amount more than 56% is recycled, 20% incinerated and 20% biologically treated. Only 2-4% ends up at the landfill. NSR provides services in the field of Waste Management to industries, commercial establishments and households. The services include collection, treatment and recovery of segregated waste at the doorstep to households and establishments in the region. reference proJect: Having one of the most modern waste management facility in Sweden together with efficient waste collection system, NSR as a company very well represents cutting edge knowledge and competence for planning, establishment and development of modern sustainable waste management systems. With this capacity, NSR participates in international cooperation offering knowledge and competence exchange for development of a modern sustainable solid waste management.

MUNICIpAL SOLID WASTE MANAGEMENT 2.4 CApACITy BUILDING FOR pROCUREMENT, OpERATION & MAINTENANCE

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2.5 DEVELOPERS

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residues. • Renetech achieves this by assisting local residue owners to develop appropriate plans, technology solutions and implementation routines.

• Renetech develops projects in collaboration with technology providers, contractors, equity partners and Renetech local stakeholders. contact e-mail web

Tom Walsh tom.walsh@renetech.net www.renetech.net

offer: • Renetech is focussed on optimising the value and recovering the energy and recyclables from municipal solid waste. • Renetech achieves this by assisting local MSW owners to develop appropriate plans, technology solutions and implementation routines for their local environment. • Renetech develops projects in collaboration with technology providers, contractors, equity partners and local stakeholders. reference proJect: • Renetech has signed a consortia agreement with Metsana Group and Panther Investment Holdings of South Africa to address the waste to energy area as part of the South African Department of Energy “request for Qualification and Proposals for New Generation Capacity under the IPP Procurement”. • The projects will focus on landﬁll gas capture and MSW Waste to Energy development in terms of anaerobic digestion, MSW combustion and/or gasification MSW plant development. • The project development will take place in a series of SPV’s (Special Purpose Vehicle’s) which will cover the Design, Build and Operation and Management of the Waste to Energy facilities.

MUNICIpAL SOLID WASTE MANAGEMENT 2.5 DEVELOpERS

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PollyPower AB contact e-mail

Richard Ljungberg richard@gett.se

offer: The Swedish company PollyPower (Polly) develops systems for generation of multiple energy types and water cleaning processes, based on variable combinations of renewable energy sources. A modularized product offers flexible energy systems that are installed in a standardized container and that can be tailored to any specific location, fuel supply or load profile. PollyÂ´s solutions supply power, heat and cooling as well as clean water and dry air from locally exploitable renewable energy sources. All components are produced in a sustainable way. Biogas feeding the container is produced from waste. PollyPower is a Swedish company active in the energy solutions sector. The company is a spin out from the Royal School of Technology, the department of energy technology. Thorugh its owners, the company represents 60+ years of experience from the Swedish and US based companies; TranSiC, Gett, Compower, SenSiC, Scint-X.

MUNICIpAL SOLID WASTE MANAGEMENT 2.5 DEVELOpERS

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2.6 CAPACITY BUILDING FOR INSTITUTIONAL STAKEHOLDERS

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Sipu International contact e-mail web

Cecilia Nordgren, Josua Falck cecilia.norgren@sipu.se, josua.falck@sipu.se www.sipu.se/international

offer: SIPU International specialises in capacity building for the public sector such as municipal authorities and departments. SIPU supports these organisations as a decision-makers guide in the move towards sustainability and adaptation to the impacts of climate change. SIPU works with all forms of institutional capacity strengthening and human resource development in participative and collaborative ways, across organisational boundaries, disciplines and between hierarchical levels. reference proJect: SIPU undertook a sustainability review of Visakhapatnam, India, working with the Greater Visakhapatnam Municipal Corporation. This led to numerous recommendations on the development of synergies between the waste management sector, the energy sector and the transport sector as well as highlighting management issues related to the physical environment and impacts of climate change that need to be addressed.

MUNICIpAL SOLID WASTE MANAGEMENT 2.6 CApACITy BUILDING FOR INSTITUTIONAL STAKEhOLDERS

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Atkins Sverige contact e-mail web

Leif Lundin leif.lundin@atkinsglobal.com www.atkins.se

offer: We help our clients to meet the challenges of increasing regulatory drivers, recycling targets and rising disposal costs through devising more effective and sustainable waste management solutions. We work with our clients to eliminate or reduce waste at source, to increase ability to recover, reuse and recycle waste as well as reduce hazardous content. Our projects range from waste strategy work to the locating, environmental impact assessment, planning and detailed design of major waste recycling facilities. reference proJect: Action plan for recycling in Vallentuna municipality, including legislation, fundraising, information, design and location. Atkins conducted a survey in order to increase the recycling of packaging and paper in Vallentuna municipality in Sweden.

MUNICIpAL SOLID WASTE MANAGEMENT 2.6 CApACITy BUILDING FOR INSTITUTIONAL STAKEhOLDERS

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IVL contact e-mail web

Ă&#x2013;sten Ekengren osten.ekengren@ivl.se www.ivl.se

offer: IVL has experience on how to treat household waste including the collection and sorting mechanism as well as the balance between recovery of materials and recovery of energy. The company has long experience in plant operation and on how to minimise dioxin emissions. reference proJect: A waste-to-energy project focussing on waste incineration included a feasibility study in Santiago de Chile (2.5mln tons/year) and a feasibility study in Chisinau Moldova (0.5mln tons/year).

MUNICIpAL SOLID WASTE MANAGEMENT 2.6 CApACITy BUILDING FOR INSTITUTIONAL STAKEhOLDERS

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Biogas technology enables long-term, sustainable waste management that turns a variety of organic waste types into a carbon-neutral energy resource. Biogas is easily integrated wherever there is natural gas infrastructure. Both isolated solutions as well as systems integrated into an existing fossil based system contribute towards enhancing the energy security in any society. biogaS uSe in Sweden today The total amount of biogas produced in Sweden amounts to approximately 1,5 TWh. The majority of the production comes from large scale facilities. Smallscale units only represent 1% of the total production. The main portion, 45%, of the biogas produced originates from sewage treatment plants. Landfill gas represents 25%, and co-digestion plants represent 20%. Biogas production from industry related processes represents 9%. In Sweden biogas is used mainly as a vehicle fuel, more than 50% with a growth-rate of approximately 20% per year. The gas is also used for local heating, district heating and industrial heating

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processes and to generate power. Vehicle gas is made up of natural gas (CNG), biogas (CBG) or a mix of the two and is frequently used to substitute petrol or diesel. In addition to reducing emissions of carbon dioxide, vehicle gas cuts emissions of nitrous oxides, sulphur oxides, carcinogenic substances and particulates. Because natural gas produces 25% less carbon dioxide emissions relative to petrol or diesel, it is also considered, by the legislators, to be an ‘alternative vehicle fuel’, although not renewable. As a result of Sweden’s long-term strategy more than 65% of the sold volume of vehicle gas is CBG, a higher percentage than any other country in the world.

WASTE FROM: • Households • Industry • Agriculture • Forestry • Waste Water Treatment Plants

Produced biofuel

SEPARATION SEPAR P ATION PAR A AT A SOURCE

SEWAGE TREATMENT

SEPARATION AT SOURCE

MIXED WASTE

Other fuels

Residual waste

SOLID WASTE

Waste based fuel

RECYCLING

Presorting

Landfill biocells

Industry

Reuse

Flue gas condensatio

Surplus

Degradable organic waste

District heating or cooling

Biogas production through digestion

Building sector

Consumer sector

Industrial sector

Purification and Upgrading of the biogas

Steam industrial use

Compressed biogas (CBG)

Biofertilizer

Manufacturing industry

Sludge

Landfill gas

Combined Heat and Power Plant

Electricity

Raw Construction material material

DIGESTABLE T TABLE WASTE W

Incineration

ENERGY RECOVERY

Recyclables

BENEFICIARIES:

ThE BIOGAS SySTEM

Public sector

Agricultural sector

Liquid biogas (LBG)

Soil conditioner

Industrial sector

Public sector

Transportation sector

the dotted line provideS an indication of proceSSeS covered by thiS theme. See alSo main illuStration in page 7.

innovative SolutionS for biogaS uSage Sweden has an unmatched, holistic perspective regarding the biogas system and it is thanks to this holistic perspective that we can offer cutting edge solutions - especially when it comes to gas purification but also in applications regarding heat and power.

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3.1 SUCCESS CASE ‘hELSINGBORG REGION’.

ORGANIC WASTE TO VEhICLE FUEL AT ONE OF ThE MOST MODERN WASTE MANAGEMENT FACILITIES IN SWEDEN In the region of Helsingborg in the south of Sweden, all waste management is provided by NSR, a company fully owned by the participating municipalities. The company’s main waste management facility is one of the most modern in Sweden, with leading competence in the area of organic waste treatment. The raw material for the biogas production facility originates from the food processing industry. It also includes pig manure and source separated organic household waste. After reception the material is pasteurised before it reaches the mesophilic digester (37°C) with an

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average residence time of approximately 30 days. All biogas is upgraded to CBG, equivalent to CNG quality, with a methane content of 98%. In 2011 a total of 36.000 MWh CBG was produced. The upgraded biogas is stored at 280 bars pressure and thereafter distributed as CBG for waste collection trucks, public transport buses and also for the public. All in all, the produced biogas satisfies the fuel demand of 100 buses, 20 waste collection trucks and a large number other vehicles.

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3.2 ENGINEERING CONSULTANTS

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BioSystem contact e-mail web

Leif Lindow leif.lindow@biosystem.se www.biosystem.se

offer: Biosystems offers consultancy services in the area of biogas production from organic waste and wastewater sludge. Biosystems has experience from biogas projects with a variety of biodegradable residuals in more than 35 countries. Biosystemsâ&#x20AC;&#x2122; experience facilitates the conversion of available waste to high-grade energy. reference proJect: Biogas Systems provided engineering services for a biogas production plant in Koto, Ljubjana, Slovenia with an annual treatment capacity of 7.500 tons per year with a total biogas production capacity of 4.500 m3 per day. The residuals consisted of 1000 ton/year of liquid manure, 1000 ton/year of source sorted organic waste, 5000 ton/year of source sorted kitchen waste, and 500 ton/year of slaughterhouse waste. The biogas is used to produce heat (584kW) and power (526kW).

ThE BIOGAS SySTEM 3.2 ENGINEERING CONSULTANTS

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COWI contact e-mail web

Anders Lidqvist, Hans Elmeklo anli@cowi.se, haeo@cowi.se www.cowi.com

offer: COWI offers development and design of biogas production and biogas upgrading plants. We offer overall solutions from idea to commissioning. From the customers conditions and challenges regarding for example raw material and location in combination with our experience of production processes, COWI performs concept studies and basis for detailed design where biogas potential and the possibility to replace fossil fuels is estimated. The investigations cover project risk analyses, where access to raw material, product demand and technology possibilities are investigated and analysed. Investment cost and profitability is also presented. COWI has experience and competence in upgrading of biogas from both landfills and from digestion and biogas delivery in both compressed and liquid form. reference proJect: Sekhutlane, Botswana COWI performed a Basic Design Study for a pilot installation in the village Sekhutlane. The study included field trials and inventories of local weather and climate conditions. BPC Lesedi has made a survey through interviews, of the specific needs in the village that has been the base for the sizing of the plant. COWIâ&#x20AC;&#x2122;s commitment also included the design of the pilot plant and also choice of technology. The design work included calculation of electricity consumption, biogas production/ consumption and design of digestion chambers. Another relevant reference project is a collaboration from 2011 with Renova AB of Gothernburg, Sweden. This project included a feasibility study for a biogas production plant with an associated upgrading plant. In the project the economic feasibility was analysed and technical and project related risks where addressed and resolved. The feasibility study showed that an annual production of 31 GWh of CBG was possible. A valuable residual from the process is bio-fertilizer.

ThE BIOGAS SySTEM 3.2 ENGINEERING CONSULTANTS

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Sweco contact e-mail web

Patrik Marckert patrik.marckert@sweco.se www.sweco.se

offer: Sweco offers feasibility studies, gas generation estimations, biogas upgrading evaluations, technology comparison, market studies, procurement assistance and due diligence within the biogas field. The substrate for biogas production can be solid waste, waste water, industrial and agricultural waste and pure CO2. reference proJect: In Pune, India, Sweco identified and studied environmentally and economically viable waste management practices suited for the local set-up, in order to accomplish improvements of the waste management situation. The main focus of the project was to address organic waste for digestion and biogas production, both on a small-scale and large-scale. Existing small-scale biogas plants were evaluated and several possible scenarios for largescale biogas production with different biogas usages as a future alternative were presented. By producing biogas the energy and the nutrients in the organic waste is utilized.

ThE BIOGAS SySTEM 3.2 ENGINEERING CONSULTANTS

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ÅF contact e-mail web

Sten-Åke Barr sten-ake.barr@afconsult.com www.afconsult.com

offer: ÅF is a leader in technical consulting, with expertise based on more than a century of experience. ÅF is one of the largest independent international companies in energy & environmental consulting and a world leader in nuclear power. We offer a wide range of consulting, engineering and project services for clients in power and district heating, energy systems, energy efficiency and environmental issues. ÅF has extensive experience and expertise in the field of biogas and CNG. ÅF also has extensive experience and expertise in feasibility studies, pre-engineering, detailed engineering and procurement. reference proJect: Project manager of the project Biogas Siljan, Sweden The project is a collaboration between seven municipalities for the exploration of opportunities for joint biogas production. The assignment involves a substrate inventory, development of potentials for biogas, cost-benefit calculations for production of vehicle fuel, risk analysis and environmental consequences and recommendations. Substrate is sewage sludge, manure, waste and slaughterhouse waste.

ThE BIOGAS SySTEM 3.2 ENGINEERING CONSULTANTS

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3.3 technology suppliers

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Teroc contact e-mail web

Sven Ruin sven.ruin@teroc.se www.teroc.se

offer: TEROC has developed a modular system mainly for off-grid and grid-backup applications that simplifies the task of combining different energy sources for power supply. This comprehensive hybrid system-concept can lower operating expenses significantly by reducing or eliminating the use of fossil fuel in gensets. TEROC partners with locally based power companies that are active in the area of power generation from biogas. The aim is to offer a cost effective joint solution including TEROC modules. reference proJect: In 2012, TEROC installed a grid-backup system in Bolivia, about 4000 meters above sea level. The system provides uninterruptible power supply in combination with solar PV.

ThE BIOGAS SySTEM 3.3 TEChNOLOGy SUppLIERS

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ED Biogas AB contact e-mail web

Ove Nyman ove.nyman@energiutvecklarna.se www.energiutvecklarna.se/en

offer: ED Biogas AB offers locally produced biogas for locally produced heat and power. ED Biogas offers a biogas reactor which is fed with local organic waste, it produces bio-methane that can be converted into heat and power. The only residual in the process is nutritious and valuable bio-fertiliser. Target customers are waste water treatment plants that handle waste from up to 20.000 inhabitants, animal farming starting at 500 animals, slaughterhouses, food industry, greenhouses and fish industry. reference proJect: The main features of the unique organic waste treatment system introduced by ED Biogas is the stable fermentation process and the capacity of handling a dry mass content of up to 12%, an extremely efficient process resulting in a high biogas yield. The technology is also compact, mobile and allows for quick installation.

ThE BIOGAS SySTEM 3.3 TEChNOLOGy SUppLIERS

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Disperator contact e-mail web

Lars Holmqvist lars.holmqvist@disperator.se www.disperator.se

offer: Disperator offers market leading source separation equipment for food waste from commercial and industrial kitchens. This equipment is a key component in securing a reliable feedstock for biogas production from biodegradable waste. Disperator offers a range of products adapted for different types of municipal infrastructures, such as: • ‘open systems’ which allows comminuted food waste to pass directly into the municipal sewage system • ‘half open systems’ where comminuted food waste is separated in tanks (sludge trap) and only the flushing water flows into the municipal sewage system, • ‘closed systems’ where comminuted food waste (almost without flushing water) is pumped to a tank or container on wheels without connection to the municipal sewage system. reference proJect: Together with German Meiko, a worldwide manufacturer of commercial dishwashers, Disperator has produced a video showing one example of a system that was built for ‘enclosed collection’ of leftovers in a tank. See more at http://youtu.be/ bBka3wBPEtg

ThE BIOGAS SySTEM 3.3 TEChNOLOGy SUppLIERS

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Pamoja Cleantech AB contact e-mail web

Peik Stenlund peik.stenlund@ pamojacleantech.com pamojacleantech.com

offer: Pamoja Cleantech AB holds expertise in renewable energy engineering, natural resource management, market and business intelligence, social empowerment and skills training. Pamoja Cleantech AB specializes in innovative biomass technologies for off-grid power applications. The company also builds capacity and empowers local energy service companies in maintenance and operation for power generation and the related feedstock supply chain. Pamoja Cleantech AB provides supporting services for the energy supply of smaller industrial and agricultural applications including feasibility studies, business modeling, equipment selection, power plant design, biomass supply implementation, technical training and system installation.

reference proJect: Pamoja Cleantech AB was founded in 2010. The company has designed a hybrid energy system that combines solar PV and biomass gasification technologies. Implementation of this inclusive energy system in Uganda was supported by the World Bank- Millenium Science Initiative and the Swedish International Development Cooperation Agency – Innovations Against Poverty. The project involved the installation and operation of several gasification units producing 10-40 kW of power to cover the demand of rural communities and small industrial applications.

ThE BIOGAS SySTEM 3.3 TEChNOLOGy SUppLIERS

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Purac Puregas AB contact e-mail web

Jan Molin jan.molin@purac-puregas.com www.purac-puregas.com

offer: Biogas upgrading plants with extremely good overall economy All human activity creates waste. Waste, such as excess agricultural produce, manure, wastewater sludge, household and restaurant waste are perfect raw materials for biogas production. The biogas can be upgraded to pure methane, which is used for vehicle fuel or for injection into the natural gas grid. With more than 12 years of experience Purac Puregas designs and delivers biogas upgrading plants using the CApureTM process, which is characterized by low operating costs, due to high quality, modularized design and energy integration solutions as well as high revenue streams, due to methane losses < 0,1 %.

ThE BIOGAS SySTEM 3.3 TEChNOLOGy SUppLIERS

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3.4 CAPACITY BUILDING FOR PROCUREMENT, OPERATION & MAINTENANCE

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Umeva contact e-mail web

Tomas Blomqvist, Simone Andersson tomas.blomqvist@umeva.se, simone.andersson@umeva.se www.umeva.se and www.umeaenergi.se

offer: Umeva´s waste water treatment plant in Umeå produces about 1.4mln m³ of biogas every year. The biogas is used for heating both the internal processes of the wastewater treatment plant, including the digestion process but it is also used to heat Umeva´s office spaces. Umeva can offer internships to share experience on how the daily business is conducted at a wastewater treatment/biogas plant. This is a priceless opportunity for those who plan to take a new plant in operation. reference proJect: As a result of the development and upgrading of the wastewater treatment plant in Umeå, Umeva will increase the production of biogas and further increase the efficiency of the whole operation. In the future the biogas will be used for power production which will make the plant almost self- sufficient on both heating and power. The long term objective is that Umeva will be energy neutral, i.e produce as much energy as it uses.

ThE BIOGAS SySTEM 3.4 CApACITy BUILDING FOR pROCUREMENT, OpERATION & MAINTENANCE

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Renova Contact E-mail Web

Karin Lindroth karin.lindroth@renova.se www.renova.se

Offer: Renova strives to reduce greenhouse gas emissions: fuel and engine technology combined with route-planning and eco-driving, paves the way for effective logistics and a better environment. The worldâ&#x20AC;&#x2122;s first fully electric-hybrid waste collection truck was launched by Renova in 2008. The target is to have a fleet of trucks that run on entirely fossil free fuel by 2015. At Renova we drive our trucks to move sustainable development forward. Renova has hands on experience and can offer client support in the shift from fossil based waste hauling to fossil fuel free waste hauling. REFERENCE PROJECT: Our fleet of waste collection trucks is continuously being developed in close cooperation with Volvo Trucks and our 11 owner municipalities in Western Sweden.

the biogas system 3.4 CAPACITY BUILDING FOR PROCUREMENT, OPERATION & MAINTENANCE

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Eskilstuna Energy & Environment contact e-mail web

Ms Audrone Simule audrone.simule@eem.se www.eem.se

ThE BIOGAS SySTEM 3.4 CApACITy BUILDING FOR pROCUREMENT, OpERATION & MAINTENANCE

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3.5 DEVELOPERS

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Sekab contact e-mail web

Jan Lindstedt jan.lindstedt@sekab.com www.sekab.se

offer: The SEKAB CelluTech Concept™ offers you an efficient and flexible way of producing biofuels and a wide range of green products based on agro- and forest residuals. Within the CelluTech Concept™ we tailor an optimized and feasible process solution for your business needs. Whether you have waste in form of biomass, a need for green end-products or want to upgrade the sustainability of your plant, SEKAB has the choice for you. SEKAB’s patented technologies cover the whole production chain, from material handling and pre-treatment down to upgrading as well as the biotechnology areas. With more than 35 000 hours running time in the Biorefinery Demonstration plant SEKAB has gained hands-on experience and successful results with a variety of raw materials like, wood, straw, bagasse etc. reference proJect: SEKAB have together with Scandinavian Biogas Fuels (SBF) developed a concept for utilizing biomass waste for biogas generation, The CelluGas ConceptTM. With this concept you can boost existing biogas production to increased capacity and upgrade the biogas to vehicle fuel.

ThE BIOGAS SySTEM 3.5 DEVELOpERS

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Nordic Gas contact e-mail web

Hans Kättström hans.kattstrom@nordicgas.se www.nordicgas.se

offer: Nordic Gas’ business idea is to build gas upgrading plants and vehicle refuelling stations for biogas and natural gas. Nordic Gas offers both turn key solutions and partnerships on a BOO basis, providing an upgrading/refuelling service at a fixed cost per sold unit. reference proJect: Nordic Gas represents 20 years experience on both gaseous phase and cryogenic liquid phase. As a true engineering company Nordic Gas uses both partner components and in-house developed technology. In India Nord Gas has partnered with GREEN Elephant Engineering for provision of expert competence to local clients and for production of certain equipment for the Nordic market.

ThE BIOGAS SySTEM 3.5 DEVELOpERS

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residues. • Renetech achieves this by assisting local residue owners to develop appropriate plans, technology solutions and implementation routines.

• Renetech develops projects in collaboration with technology providers, contractors, equity partners and Renetech local stakeholders. contact e-mail web

Tom Walsh tom.walsh@renetech.net www.renetech.net

offer: • Renetech is focussed on optimising the value and recovering the energy and nutrients from organic residues. • Renetech achieves this by assisting local organic residue owners to develop appropriate plans, technology solutions and implementation routines for their local environment. • Renetech develops projects in collaboration with technology providers, contractors, equity partners and local stakeholders. reference proJect: • Renetech managed the sourcing of feedstock and ethanol off-take for a 50 M liter biogas plant and a 120 M liter bioethanol plant in Karlskoga, Sweden. • The 12 month interim management assignment included logistical planning, substrate analysis and strategies for the AD facility, bank negotiations and the implementation of hedging strategies. • This facility was planned to produce 50 M liters vehicle fuel equivalent of biogas, green electricity and heat, as the first plant of its kind in the world in terms of biorefining capacity and process capability. This project had a planned capital investment of 110 M �.

ThE BIOGAS SySTEM 3.5 DEVELOpERS

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3.6 CAPACITY BUILDING FOR INSTITUTIONAL STAKEHOLDERS

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Borås Waste Recovery – International Partnership contact e-mail web

Hans Björk Mohammad Taherzadeh hans.bjork@hb.se mohammad.taherzadeh@hb.se www.hb.se

offer: “Waste Recovery - International Partnership” offers partnership on education, research collaboration, master planning, and implementation on waste management & resource recovery and how to achieve zero landfill.

Technical Research Ins/tute

A full partner of waste recovery should contain all the actors in a city that act on wastes, such as political instruments, municipalities, companies, NGOs, local universities. It starts with collaboration with similar actors in Borås (Sweden) with exchange of knowledge, and usually followed by technology transfer.

“Waste Recovery partners” Collabora/on model of Plus: ”Waste •  Biogas Systems AB Recovery -‐Interna/onal Partnership” •  Brunner AB/ÖRECO AB Waste Recovery in Sweden •  Bygglant •  F.O.V. Fabrics AB City Council Municipality •  KTH Architecture and the Built Environment Research Inst. •  Läckeby Water AB Private •  Metso Power waste combus/on Companies University •  Navet Science Center ( for children ) •  SAAB AB Research & Laws & Planning Projects & Educa/on Vision implementa/ons & Goals Legisla/on •  Scandﬁltet Competence development •  Scandir AB •  SWECO City Council Municipality •  Uponor Research Inst. NGOs •  SAKAB hazardous waste treatment Fina ncial supp Private •  Stena Metal recycling ort University Companies •  VA – Teknik ( SP ) •  …. Waste Recovery in other countries

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy 3.6 CApACITy BUILDING FOR INSTITUTIONAL STAKEhOLDERS

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The main driver behind the substantial reduction of CO2 emissions in Sweden since the 1970s can be found in the nationwide expansion of efficient district heating and cooling systems derived from recovery of industrial surplus heat. It accelerated in the 1970s when Sweden was heavily dependent on fossil fuels. Today, more than 60% of the demand for household heating in Sweden is met by district heating. During the last decade the district cooling systems have been growing also and Stockholm currently has the largest district cooling grid in the world. heat no longer waSted! Surplus heat from industrial processes are often seen as waste, however, the fundamental idea behind modern district heating is recycling of surplus heat that would otherwise be lost. Examples of surplus heat are; heat generated in power stations, fuel refineries, incinerators and many other industrial processes. Through innovative thinking, introduction of systematic processes, and the development of high-end technologies, expansion of the district heating and cooling systems in Sweden has created a base for energy recovery competence and technology which

is recognized worldwide. Although other countries with warmer climates may have less need for district heating, the opportunities in utilising surplus heat and steam for other purposes are extensive. Introducing a holistic approach and technologies for conversion of surplus heat to power or even cooling will reduce the need for fossil fuel, increase environmentally sound power production and generate new revenues.

WASTE FROM: • Households • Industry • Agriculture • Forestry • Waste Water Treatment Plants

Produced biofuel

SEPARATION SEPAR P ATION PAR A AT A SOURCE

SEWAGE TREATMENT

SEPARATION AT SOURCE

MIXED WASTE

Other fuels

Residual waste

SOLID WASTE

Waste based fuel

RECYCLING

Presorting

Landfill biocells

Industry

Reuse

Flue gas Surplus condensation heat

Surplus steam

Degradable organic waste

Sludge

Landfill gas

Combined Heat and Power Plant

Electricity

Raw Construction material material

DIGESTABLE T TABLE WASTE W

Incineration

ENERGY RECOVERY

Recyclables

District heating or cooling

Biogas production through digestion

Purification and Upgrading of the biogas

Steam industrial use

Biofertilizer

SolutionS baSed on collaboration Technologies for recovery of waste-heat are constantly developing. Heat exchanger efficiency has improved, flue gas condensation technologies provide increased energy recovery, innovations allow power production from surplus heat with temperatures as low as 55°C but it is not only a matter of technology. A driving force behind the Swedish success was a unified and strong political will coupled with collaboration between industries and the public sector resulting in holistic cross-border solutions. The outcome is that Sweden has gained knowledge and competence on how to develop solutions and systems that are both technically and financially attractive all over the world

BENEFICIARIES:

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy (INDUSTRy RELATED)

Manufacturing industry

Building sector

Consumer sector

Industrial sector

Public sector

Agricultural sector

Industrial sector

Public sector

Transportation sector

the dotted line provideS an indication of proceSSeS covered by thiS theme. See alSo main illuStration in page 7.

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4.1 SUCCESS CASE ‘BORLÄNGE MUNICIpALITy’.

BORLÄNGE IS TURNING OVER A GREEN LEAF Founded on a long industrial tradition of steel and paper production, the municipality of Borlänge in central Sweden is turning over a green leaf. The city recycles 90% of its waste and boasts an innovative district heating system fuelled by renewable energy and waste-heat. public-private partnerShip with a Shared viSion Home to major manufacturers like steel producer SSAB and paper company Stora Enso, Borlänge is also the headquarters for the Swedish Transport Administration. Local policymakers are avid sustainability advocates and have linked up with private businesses to introduce a raft of green initiatives. how to benefit from a downtown Steel mill Together, the municipality and local businesses have designed an energy system that makes maximum use of waste-heat. The main partners are the energy company Borlänge Energi (which operates the municipality’s district heating and waste management systems and supplies green power), SSAB Tunnplåt and Stora Enso kvarnsveden. The trio share advanced systems for pro-

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ducing energy from waste-heat and steam and for water and air purification. diStrict heating reduceS carbon emiSSionS Recovering waste-heat and using biofuel to power the district heating grid cuts CO2 emissions by 115.000 tonnes compared to oil-fired alternatives. Municipal energy company Borlänge Energi operates the Bäckelund power plant where district heating is generated from waste incineration and industrial waste-heat together. other waSte-to-energy related activitieS The Fågelmyra waste management plant in Borlänge produces biogas and bio-compost from waste and also prepares combustible waste for incineration. It processes food and other compostable waste from private households, industrial kitchens and restaurants in the surrounding municipalities. The plant minimises the amount of waste sent to landfill. It sells bio-compost for use in gardens and agriculture and also biogas for heating, power generation and vehicle fuel.

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4.2 ENGINEERING CONSULTANTS

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COWI contact e-mail web

Anders Lidqvist, Hans Elmeklo anli@cowi.se, haeo@cowi.se www.cowi.com

offer: COWI assists with planning, designing, upgrading and refurbishment of thermal heat and power plants with focus on the environment, technology, operation and economy with the best available technology as the basic premises. COWI offers full services ranging from initial investigation through feasibility analyses, design, tendering and supervision to optimised operation and maintenance of all types of production units. COWI provides consultancy services within all project phases of the project cycle, i.e. feasibility studies, conceptual design, tendering and supervision. reference proJect: MEC - Maabjerg Energy Concept, Denmark Second generation bioethanol plant, 2011-ongoing MEC is preparing the realization of an integrated energy concept in Holstebro, Denmark including the reconstruction of an existing Combined Heat and Power Plant, an existing Biogas Plant and the construction of a new Bioethanol Plant. COWI is responsible for the design of the Bioethanol plant, including recommendation of technology providers and also for delivering a cost estimate as basis for decision for the project development team.

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy 4.2 ENGINEERING CONSULTANTS

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Sweco contact e-mail web

Patrik Marckert patrik.marckert@sweco.se www.sweco.se

offer: Sweco has experience working for heavy industry with energy demanding processes, such as steel works and pulp and paper industries. Energy efficient production processes and internal reuse of energy are ways of reducing both demand for purchased energy and the amount of excess heat. Excess heat that still remains can be sold either as power or as heating or cooling. The choice depends on local conditions such as energy prices and the surrounding energy demand. reference proJect: Energy audit, Outokumpu Steel Works in Avesta, Sweden Services included preparation of an overall energy system balance description and analysis of possibilities for heat recovery. Four alternatives for use of excess heat where compared economically: • • • •

Internal heat recovery District heating production for external delivery Power production with organic rankine cycle Production of cooling with absorption chilling machines

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy 4.2 ENGINEERING CONSULTANTS

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ÅF contact e-mail web

Sten-Åke Barr sten-ake.barr@afconsult.com www.afconsult.com

reference proJect: Potential energy savings – Jeonju Paper Mill, South Korea Project main scope • General energy inventory with description and evaluation of the main energy flows within the mill • Benchmarking against similar mills. • Outlining of steps in order to achieve a savings goal of 20%. • Outlining a list of proposed measures • Analysis of investment cost and payback time as well as a time-schedule in order to achieve proposed measures.

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy 4.2 ENGINEERING CONSULTANTS

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Solvina International contact e-mail web

Niclas Krantz niclas.krantz@solvina.se www.solvina.se

Process Engineering Process Design

Control Design

Simulators

Commisioning

offer: Solvina International is a consulting company that provides the Power Industry with higher availability, stability, efficiency and safety. By combining efficient methods, a holistic approach and simulator technology we achieve vast cost savings and values.

Education

Documentation operator training SimulatorS SolvSim Power Plant (SSPP) is a power plant simulator platform including combined cycle and condensing power plants. SSPP are generic simulators but can be modified to resemble a real power plant. optimal plant control Entire plant control systems are optimized to handle predefined events and disturbances. By utilizing dynamic simulation, very exact design and settings can be implemented before plant startup, hence saving a lot of trouble and money. A unique method using a realtime simulator connected to the control loops enable advanced testing and tuning of governors and AVR:s online with the turbine/generator in normal operation.

Specifications

Trouble shooting

Pressure drop calc

Mass- & Energy Balance calc 2

nuclear power Safety management Solvina provides solutions that ensure safe and robust plant operation, a short implementation time and high efficiency, using the in-house developed management method Safety & Quality Assurance and Demonstration (SQAD).

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy 4.2 ENGINEERING CONSULTANTS

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4.3 technology suppliers

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Firefly AB Contact E-mail Web

Håkan Johansson hakan.Johansson@firefly.se www.firefly.se

Offer: When flammable material is crushed, milled, conveyed and stored, the risk of fire increases. Firefly has 40 years of experience in protecting recycling and power plants from fire and explosions. A reliable fire protection system is a key component in a waste management system where waste is used as a fuel. During the fuel preparation process it is important to ensure that the waste does not self ignite if the ‘wrong’ conditions should materialise for an extended time period. REFERENCE PROJECT: Firelfy has delivered its technology ShredderGuard™ solution to Vecoplan AG, a worldwide manufacturer of shredders for biofuels, thereby sparing Vecoplan’s customers costly problems.

Energy systems for efficient utilization of surplus energy 4.3 technology suppliers

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Swedish Exergy contact e-mail web

Prem Verma, Staffan Bauman verma@exergyse.com, staffan.bauman@swedishexergy.com www.swedishexergy.com

offer: Swedish Exergy is a turnkey supplier of Exergy Steam Drying systems along with complete engineering & consultancy services for superheated steam drying & associated technologies for Sugar Mill waste & Distillery waste. reference proJect: production of biofuels from residuals from sugar & distillery industries in india. Biofuels are produced from bagasse, press mud, distillery spent wash, and organic sludge. The substrate is dried to high value biofuel suitable for production of power, heat, bio-oil, bio-ethanol, pellets or briquettes conversion of fossil power plant to biomass using exergy Steam drying technology in poland. A 125 MW fossil fuel based CHP plant shifts to biofuel from agricultural waste with the help of Swedish Exergy drying technologies.

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy 4.3 TEChNOLOGy SUppLIERS

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Opcon Energy Systems contact e-mail web

Peter Lundström peter.lundstrom@opcon.se www.opcon.se

offer: Opcon Energy Systems, OES, specializes in developing technology for small-scale production of electricity from waste heat. The company’s systems are based on unique screw compressor technology from Opcon and its subsidiary SRM. During 2007, Opcon Powerbox was introduced, the first important application based on this technology. The technology of Opcon Powerbox is designed for applications in combined heating and power plants and the process industry, but is also suitable for large stationary diesel and biogas engines and marine diesel engines. The solution has generated a lot of interest from the power, shipping and process industries. reference proJect: Opcon Powerbox has been installed at Munksjö Aspa Bruk, Sweden, a mill for production of bleached and unbleached sulphate pulp. Before the installation of Opcon Powerbox ORC, all of the mill’s heated process water passed through a sedimentation basin before reaching the recipient lake Vättern. After the installation, some of the waste heat water from the mill first runs through the Opcon Powerbox where it is transformed to new and emission-free electric power. Furthermore, Opcon Powerbox preheats the mill’s process water which is a considerable bonus. Opcon Powerbox also cools the waste water used in power production before it is finally diverted into treatment.

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy 4.3 TEChNOLOGy SUppLIERS

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4.4 DEVELOPERS

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SEK Advisory Services contact e-mail web

Nicholas Anderson nicholas.anderson@sek.se www.sek.se

offer: Swedish Export Credit Corporation (SEK) is a financial institution, fully owned by the Kingdom of Sweden. SEK Advisory Services (SEKAS) is an independent unit within SEK, providing advisory services to the public sector, corporations, and financial institutions. SEKAS is manned by a team of highly qualified and experienced professionals who carry out financial advisory assignments individually or together as a part of a project team. reference proJect: SEKAS has during recent years performed more than 50 projects in different countries all over the world, with a focus on Eastern Europe and Asia. Our financial analysis and advice has contributed to the success of projects within many different sectors. The list of references is especially long within the field of Infrastructure and Energy, with many projects relating to Environmental Technique and Energy Efficiency.

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy 4.4 DEVELOpERS

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4.5 CAPACITY BUILDING FOR INSTITUTIONAL STAKEHOLDERS

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IVL contact e-mail web

Östen Ekengren osten.ekengren@ivl.se www.ivl.se

offer: IVL has been involved in the energy optimisation in iron & steel industries, chemical industries and automotive industries. Services and solutions provided include process optimisation as well as introduction of closed processes. reference proJect: IVL has taken an active part in the development of the waste fuelled CHP-plant in the City of Borlänge, Sweden, a plant with the capacity to treat 100.000 tons/year. IVL’s services were provided during all phases of the project – design, procurement, construction and operation.

ENERGy SySTEMS FOR EFFICIENT UTILIzATION OF SURpLUS ENERGy 4.5 CApACITy BUILDING FOR INSTITUTIONAL STAKEhOLDERS

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…and we continue to look for and develop new solutions The systematic and holistic approach to energy production and usage adopted by Swedish companies and organisations triggers new innovations, new ideas, to further complete a truly green system. Towards a total green system of the City of Linköping An example of this development is being created in the City of Linköping where the energy system, waste management is connected with urban agriculture management. Currently a project is developed based on what is referred to as the PlantaSymbioSystem®. Food is created out of waste in vertical, multi level greenhouses and at the same time decreasing energy costs and emissions. All having a energy system approach. Surplus heat from biogas purifying plants provide for several hectares of greenhouse. Peak and backup heating needs covered by district heating network. Carbon dioxide removed in the biogas purification process can be directed to the green house. Biogas production plants deliver nutrients. Organic waste from the greenhouse is used for biogas production, and the cycle is complete. Besides, locally produced food from the system generates a lot of other values, decreased need for transports being one.

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For more information about this system and the project, visit www.plantagon.com.

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turning waSte into green hydrogen! Gasification of unsorted waste is a challenge for tomorrowâ&#x20AC;&#x2122;s waste management. Promising Swedish based technologies are under development where waste is exposed to high temepratures and thereby completely vaporized and separated into molecules. Other promising technologies involve plasma gasification. The waste is thereby transformed to energy rich hydrogen or synthesis gas possible to use for heat and power production. The technology is believed to become very efficient â&#x20AC;&#x201C; less than 5% of the gained energy is esitmated to be used for the process, emissions are low and the solid residuals are inert and expected to be less than 5% of the original material for municipal solid waste. Full scale plants is expected to be reached soon. Example of companies working in this field are Plagazi and SGE Scandgreen Energy AB. See more at www.plagazi.com and www.scanindia.com

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do you want to take a next step and discuss waste-to-energy solutions with Swedish suppliers and organisations? then take a direct contact with the companies presented in this booklet for speciﬁc questions. For direct contact with relevant networks and organisations for further discussions on Waste-to-Energy system solutions, take the following contacts; for all matterS related to waSte-to-energy SyStemS; • ASSET and its member organisations, for contacts see www.miljoteknik.org/home.html • Business Sweden, www.business-sweden.se/en/ for water and waStewater and Sludge management • VARIM, the meeting place for the Swedish Water Treatment Industry; www.varim.se/en/varim-home for Solid waSte management and biogaS; • Avfall Sverige – the Swedish Waste Management and Recycling Association, www.avfallsverige.se/in-english/waste-management-on-export for biogaS SyStemS; • Avfall Sverige – the Swedish Waste Management and Recycling Association, www.avfallsverige.se/in-english/waste-management-on-export • Swedish Gas Association, www.energigas.se/In-English for energy recovery SyStemS and other biofuelS SyStemS; • Sweheat & Cooling – the Swedish council for District heating and cooling, www.sweheat.com • Svebio – the Swedish Bioenergy Association, www.svebio.se

Swedish Energy Agency, Box 310, SE-631 04 Eskilstuna, Sweden Telephone: +46-16-544 20 00 E-mail: registrator@energimyndigheten.se www.swedishenergyagency.se

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