CENTRAL AFRICA'S PREMIER BUSINESS TO BUSINESS MINING MAGAZINE
VOL 13 | ISSUE 2 | March - April 2020
Digital Mining to unlock value, drive productivity
In this issue... Cummins Zambia successfully commissions new coolant plant in Kitwe Pg 06
Tanzania Mining Sector…Pg 18
Exothermic cutting technology and equipment for mining Pg 28
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CONTENTS NEWS
04
PRODUCTS
EVENTS
Barrick Pueblo Viejo gold mine Expansion plan
18
Mining in Zimbabwe Time to use it or lose it
34
TOMRA’s XRT sorting of lumpy chrome ore
PROFILE
FEATURE
Risk of fire in mines
12
27
TELLAP pallet-free bulk bags
Vehicles and workforce access control systems
36
Wet Sizing Screen Deck Stack Sizer®
et screening with the introduction
CENTRAL AFRICA'S PREMIER BUSINESS TO BUSINESS MINING MAGAZINE
VOL 13 | ISSUE 2 | March - April 2020
TEAM
EDITOR’S COMMENT
Editor Bertha M. bertham@fmdrc-zambia
COVID-19 to the world- and then some
Sub-Editor Nita Karume Digital Mining to unlock value, drive productivity
% increase in the effective width
quivalent to 2½ to 3 times that of
comes with only a slight increase
PEX and OPEX for any screening
sts, convenient serviceability and
wide support team available 24/7. In this issue... Cummins Zambia successfully commissions new coolant plant in Kitwe Pg 06
Tanzania Mining Sector…Pg 18
Exothermic cutting technology and equipment for mining Pg 28
COVER STORY: PG 10 Digital Transformation Use digital Mining to unlock value, drive productivity
Digital transformation — once so singularly identified with the thoughtful alignment of enterprise infrastructure to accommodate online users — has begun to impact myriad industries, among them mining. www.fmdrc-zambia.com
Contributing Writer Oscar Nkala, Mfuneko Jack Lindani Mkhize Caroline Thomas Sales and Marketing Victor Ndlovu victorn@fmdrc-zambia.com +27 11 044 8986 Isabel Isiziwe isabelsiziwe@gmail.com zambia@fmdrc-zambi.com +260 96 187 4888 Advertising Consultants Meshack Ndzendevu Polite Mkhize Gladmore Ndhlovu Leslie Nyembe Production Coordinator Kholwani Dube kholwani@fmdrc-zambia.com Graphic Design and Layout Irene Faith Omudho Art Director Augustine Ombwa Arobia Creative Consultancy austin@arobia.co.ke Published By Mailing Times Media Circulation/Sales info@fmdrc-zambia.com sales@fmdrc-zambia.com +27 11 044 8986
O
n 24 March 2020, President of the DRC Félix Tshisekedi imposed a state of emergency and closed the nation’s borders in response to the Covid-19 pandemic. There have been 48 confirmed cases in the country since the first confirmed patient on 10 March. The governor of Haut-Katanga province, Jacques Kyabula, issued a lockdown order on 22 March. Haut-Katanga is a copper and cobalt heartland and combined with Lualaba province accounts for almost all the DRC’s cobalt production. This is just an example of the current situation amid the COVID-19 pandemic. Furthermore, and with the virus spread increasing daily, different industries are heavily affected in every aspect. The mining industry is no different. Some of the mitigation risks as reported by the World Health Organization include-but are not limited toproper hand washing and sanitizing, social distancing and self-quarantine for the infected individuals. Countries like DRC and Zambia have imposed increased travel restrictions, individual site management controls and screening to control access to mine sites, emergency medical preparedness, supply chain contingency plans, and working with health authorities to closely monitor local and global developments. Some of the foreseen effects of this pandemic especially as far as mining is concerned are declines in the global demand for minerals, leading to a dip in prices. This will have a serious impact on countries in Africa that rely on mining as a driver of the economy. It is still unclear how long this pandemic will last, but with the uncertainty brings closed mining sites which in turn causes loss of jobs for many people.
Nita Karume
Mailing Times Media (Pty) Ltd makes every effort to ensure the accuracy of the contents of its publications, but no warranty is made as to such accuracy and no responsibility will be borne by the publisher for the consequences of actions based on information so published. Further, opinions expressed are not necessarily shared by Mailing Times Media (Pty) Ltd
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NEWS NEWS
Alphamin exercises option to reduce 2020 capital repayments as COVID-19 hits tin price
A
LPHAMIN Resources Corporation (Alphamin) has exercised an option with lenders to defer capital repayments on its debt – a development that comes amid lower-than-planned tin pricing, partly brought about by the COVID-19 outbreak. Commenting in a statement today, the Toronto- and Johannesburg-listed company said it would defer some $16.3m in capital repayments in its 2020 financial year. Alphamin is building Bisie, a tin mine in the Democratic Republic of Congo’s (DRC’s) North Kivu province. The initial mining plan was for production of 9,600 tons of tin-in-concentrate annually over an initial life-of-mine of 12.5 years. Under the previous debt repayment schedule, it was to have paid $8.17m per quarter starting from this month, but it will now pay $1.3m in interest on its debt to end-June and from July, a monthly fixed debt capital instalment of about $2.72m over 36 months plus interest of $1.3m initially a month.
The option to amend the repayment schedule was provided by lenders in October and will allow the company to “strengthen its working capital” ahead of debt repayments, the company said. A cash fee of $400,000 was paid on exercise of the option. The repayment amendments come as the London Metal Exchange (LME) quoted tin price trades at $15,000 to $17,000 per ton. This is below the $17,000/t assumed in the firm’s technical report for Bisie ahead of its construction. “The company continues to focus on achieving its full production targets at the lowest possible unit cost,” the firm said, acknowledging that the “… recent coronavirus outbreak is having an impact on global commodity prices”. The tin price was trading at about $20,000/t in mid-2019. The metal’s price decline was last year blamed on “… challenges faced by the global electronics industry on the back of the US/China and Japan/South Korea trade wars.”
Alphamin has had its fair share of mishap since construction of Bisie began. A bridge used to export all concentrates and import consumables from the DRC collapsed in October last year, delaying shipments. Before that, the company changed its mining method which resulted in a slower ramp up of material to the run of mine stockpile. Commercial production from the mine was also delayed last year following a slower-than-expected response to a request to partially export concentrates by air freight. As a result, the company was required to truck all export material which had “… impacted delivery times and related revenue receipts”. A delay in VAT refunds from the DRC government and a further delay in the manufacture and delivery of certain components to finalise plant commissioning had also contributed towards a working capital shortfall last year.
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NEWS NEWS
Barrick proposes expansion of the the Pueblo Viejo gold mine
B
arrick’s proposed expansion of the Pueblo Viejo gold mine will extend its life and its significant contribution to the Dominican Republic’s economy until 2040 and beyond. Mark Bristow, President & Chief Executive of operator Barrick Gold, said the project would require an initial investment of $1.3bn to expand the process plant and the tailings facility. Extending its life would unlock the mine’s potential to increase exports by $22bn and generate more than $4bn in taxes at a gold price of $1,500 per ounce. Between 2013 and 2016 Pueblo Viejo paid $1.8bn in direct taxes and last year
its exports accounted for more than 38% of the country’s total. The company’s workforce (which is 97% Dominican) is expected to grow as the project develops and it will increase opportunities for female participation (currently 12% of the workforce). It will also further promote the development of the local economy based on the mine’s suppliers and contractors. “Our aim is to continue contributing to the social and economic development of the Dominican Republic by applying our sustainability philosophy to create long-term value for all our stakeholders, especially the governments and people
of our host countries. Without this project mining at Pueblo Viejo would have ceased in the next two years,” said Bristow. The expansion will enable the mine to exploit the lower grades in the orebody and is not intended to process ore from outside the current concession area. In the meantime, Bristow noted, the conversion of the mine’s Quisqueya 1 power plant to natural gas had successfully been commissioned. This will cut greenhouse gases by 30% and nitrogen oxide by 85%, further reducing Pueblo Viejo’s impact on the environment. An agribusiness project is also planned as an additional benefit for the communities impacted by the expansion.
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NEWS NEWS
Copper
production to grow 3% annually until 2029 globally
G
lobal copper mine production will see steady growth over the next few years, as a number of new projects and expansions come online, supported by rising copper prices and demand, Fitch Solutions forecasts in a new report. Fitch analysts predict global copper mine production to increase by an average annual rate of 3.1% over 2020-2029, with total output rising from 20.3 to 26.8 million tonnes over the same period. The ratings agency research arm suggested technology and productivity advances could effectively combat long-term cost increases from declining average grades, and higher material movement requirements, to maintain output rates at some mines. New projects in Australia and the Americas (and, potentially, Africa) could lift mine supply from 20.3 million tonnes in 2020
to 26.8Mt by the end of the decade, Fitch said. In 2020, Fitch forecasts Chile to increase production modestly by 0.5% to 5.89 million tonnes. Growth will be led by the ramp-up of BHP’s Spence Growth Option over H2 2020, increasing production at Lundin Mining’s Candelaria mine and a rebound in production from mines hampered by heavy rains in the beginning of 2019. Fitch says these developments will outweigh the declines in production from Antofagasta’s Centinela operation due to lower ore grades and from Teck Resources’ Quebrada Blanca. Downside risks to production will stem from declining ore grades across the country, unfavourable climate, protests that hamper supply chain operations and union strikes, analysts predict.
Fitch forecasts Chinese copper mine production to increase at an average clip of 1.8% per year over 2019-2028, compared with an average growth rate of 6.9% over the past 10-year period. This slowdown in production growth will be driven by closures of low-grade copper mines in China and delayed planned capacity expansions. Growth in domestic production will still be positive as new projects come online. A weaker Chinese yuan against the US dollar will help reduce costs for domestic Chinese mines, says Fitch. China, being the world’s largest consumer of refined copper and third-largest producer of mined copper, will look to develop foreign assets to improve its resource security. Chinese copper miners will remain committed to investing in copper deposits abroad to secure access to high-grade, low-cost material. For instance, in October 2019, Zijin Mining announced that it would spend $146 million to increase its interest in Ivanhoe Mining. The purchase will make Zijin the second-largest shareholder in the company developing the Kamoa-Kakula copper mine in the Democratic Republic of Congo (DRC). As for the DRC, Fitch revised the 2020 outlook from 8% growth to a 15% contraction after Glencore put the Mutanda mine, which produced nearly 200,000t of copper and 27,000t of cobalt per annum, on care and maintenance in November.
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NEWS NEWS
Cummins Zambia successfully commissions new coolant plant in Kitwe
C
ummins Zambia has completed a coolant plant project in Kitwe on the Copperbelt that received approval from the Zambia Environmental Management Agency (ZEMA) in 2019. The ‘plug-and-play’ plant will produce two types of coolant, namely ES compleat Hybrid (Blue) and ES compleat OAT (Red). PLC-driven and automated, the plant has the capability to carry out batch correction. It has a blending capacity of around 1 600 litres over two hours, including quality testing. The system has two 2 500 litre product tanks for product storage. Originally planned to be completed within six months in 2018, delivery and manufacturing logistics ultimately resulted in the project taking about a year to complete, in addition to the stringent ZEMA approval, John Kambing’a, Cummins Aftermarket Leader (Zambia) reports. The main contractor was CP Engineering, with a Cummins Filtration team overseeing the project from start to finish. Cummins Filtration built the plant and shipped it to Zambia, where it was installed by a local contractor under the supervision of the project team. The Cummins Filtration team from South Africa also played a key role in commissioning the plant. “It is a requirement in Zambia to conduct an impact assessment for any project being undertaken. Therefore, the ZEMA approval was necessary to ensure that the coolant plant had no impact on the environment or the surrounding community,” Kambing’a explains. This is also in line with Cummins Inc.’s PLANET
2050 strategy, focused on addressing climate change and air emissions, using natural resources in the most sustainable way, and improving communities. To date, Cummins Zambia’s main coolant customer has been First Quantum Minerals (FQM), a major copper producer in the region. The new plant will allow Cummins Zambia to supply coolant to other customers in different packages. “This will grow our filtration sales in Zambia, and allow us to serve other customers. It will also take care of our counter-sales customers. Other Cummins distributors and dealers wanting to take advantage of our costcompetitiveness will also be welcomed,” Kambing’a highlights. The main benefits of the new coolant plant are that customers will not be restricted to obtain the products only in totes, but can request different packages according to their specific requirements. Customers will also have the option of bulk supply, which will drastically reduce their storage challenges in having access to sufficient product as and when required, and eliminate long lead times. Switching to in-house coolant production at Cummins Zambia will reduce import costs significantly, allowing it to pass these savings onto customers. Meshach Kwegyir-Aggrey, GM Cummins Zambia, elaborates that, in order to be more competitive and supply product at a preferential rate to the market, a business case was raised to the leadership team of Cummins Africa. Approval followed quickly, and the coolant plant was subsequently purchased and installed in the last quarter of 2019.
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“With the new coolant plant at Cummins Zambia, what we have succeeded in doing is to basically halt the importation of water, which forms more than 90% of the coolant product, from South Africa into Zambia. This will also assist us to serve diverse markets, with volumes ranging from five litres to 1 000 litres. We will also increase our footprint in the Zambian coolant market and offer more value to customers.” Kwegyir-Aggrey adds: “The Zambian market is key to the strategic growth of Cummins in Africa. Cummins is a provider of power to the mining industry, and this new plant will allow us to deliver on our brand promise of powering our customers through innovation and dependability. We have invested almost half a million dollars in this project, and that will add value to our customers and stakeholders in Zambia. Adding value is what Cummins stands for, and we are determined to ensure our customers get absolute value when using Cummins products.” Looking to the future, Kwegyir-Aggrey points out that the new coolant plant will assist Cummins Zambia in penetrating the key automotive market. “It will help us leverage out other filtration products as a single package. Coolant is key in the operation of any machine, and the quality of the coolant matters. We offer superior-quality coolant that will help customers get real value out of their machines. Using the Cummins Fleetguard product range will guarantee world-class performance by unleashing the power of Cummins,” he concludes.
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NEWS
Metso evaluating potential closure of its operations in Vereeniging, South Africa
A
s part of the global supply footprint development strategy in its Minerals operations, Metso is initiating consultations to evaluate the potential closure or other alternatives for its operations in Vereeniging, South Africa.
“Our strategy is to utilize synergies of the most efficient manufacturing and sourcing opportunities globally. We are continuously developing our supply footprint to deliver the best value, availability and quality for our customers,” says Sami Takaluoma,
Tanzania’s mining sector to contribute 10% the country’s GDP in 5 years
T
anzania’s mining sector has been projected to contribute 10% to the country’s GDP by 2025. The Prime Minister Kassim Majaliwa said that the mining sector’s current contribution to GDP is estimated at 3.5%. Majaliwa, who also inaugurated a certificate of origin for tin that is mined in Tanzania, made the remarks at a mining investment conference in Dar es Salaam. He reiterated that minerals will be able to contribute 10% of the GDP following reforms in the mining sector. This comes shortly after the Tanzania acquired the certificate of origin for tin
and its base metals of tantalum and wolframite. The certificate allowed the country to export the metals currently mined in Kyerwa and Ngara districts in Kagera region.
President,
Minerals
Consumables
business area at Metso. Metso’s unit in Vereeniging provides pumps, spare parts, consumables, and repair services for the mining industry. The unit has approximately 200 employees.
The acquisition of the certificate of origin came after the country met all export requirements to become the fourth eligible nation in the Great Lakes Region after Rwanda, Burundi and the Democratic Republic of Congo (DRC). Previously, the country produced tin and its base metals, but was not allowed to export them due to lack of certificates of origin, the necessary requirement for exports. Majaliwa said according to Tanzania’s report on the state of the economy for 2019, minerals contribution to the economy grew by 13.7%. He further added that the government has established minerals trading centers across the country to control smuggling of the precious gems out of the country.
Diaphragm Level Control… Helping to Stop Plugged Chutes
T
he Model DLC is a flush mount, pressure activated, diaphragm style level control and plugged chute detector. The unit is available with either a heavy-duty rubber diaphragm or a 302 stainless steel diaphragm. The model DLC has 2 dry (unpowered) 15-amp microswitches that activate when material within the bin or chute presses upon the diaphragm face. The unit should be mounted on the vertical side wall of the bin, hopper or chute. The unit may also be mounted on the sloped portion of the chute (as long as material flows freely or does not “bridge”). The Model DLC can be used as a highlevel switch, a low-level switch, or a plugged chute detector. Additionally,
the model DLC may also operate as a material presence control on a conveyor belt, and a high-level indicator above a crusher box. The Model DLC is commonly used when intrusion into the bin is not acceptable, not possible or not allowed. The Model DLC does not intrude on the material flow stream. If you would like additional information on this or other products that Conveyor Components Company offers please contact their sales department toll free 800-2333233, fax 810-679-4510, e-mail> info@conveyorcomponents.com or visit their website at www.conveyorcomponents.com.
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7
NEWS NEWS
Ivanhoe on track to start production in the 3rd quarter of 2021 for DRC copper mine
I
vanhoe Mines Ltd eyes 3rd quarter of 2021 to start production in its huge Kamoa-Kakula Copper Project in the Democratic Republic of Congo (DRC). The forecast is among the highlights of the company’s 2019 full year results, which also contain a review of mine construction progress and exploration activities. “Development of the Kakula Mine, the first of multiple, planned mining areas at Kamoa-Kakula, is making excellent progress,” the company said in a press release. It said the first underground access drives intersected Kakula’s initial high-grade ore (+3% copper) in late August [2019], then intersected an even higher grade zone (approximately +6% copper) in late October [2019] as the drives advance towards mining zones of +8% copper in the centre of the Kakula deposit. The Kamoa-Kakula Copper Project is a joint venture between Ivanhoe Mines (39.6%), China’s Zijin Mining Group (39.6%), Crystal River Global Ltd. (0.8%), and the DRC government (20%). It already ranks among the world’s biggest copper mines, with peak annual production expected to exceed 700,000 tonnes.
The Kamoa Deposit – originally discovered by Ivanhoe Mines’ geologists in 2008 – is one of two very large, nearsurface, flat-lying, stratiform copper deposits discovered on a 400 km2 mining license. The other major deposit – Kakula – is being fast-tracked to commercial production, with the initial 3.8 million-tonne-per-annum mining operation scheduled to produce first concentrate in the third quarter of 2021.
containing 45.8 billion pounds of copper. At the same cut-off, Kamoa’s Inferred Mineral Resources are estimated to be 235 million tonnes, grading 1.70% copper, containing 8.8 billion pounds of copper.
Ivanhoe and partner Zijin Mining are advancing rapidly on civil works for the processing plant and other surface infrastructure. The joint venture has issued purchase orders for the long-lead mining and processing equipment. The first oversized loads of equipment of the processing plant arrived at the mine on February 21, 2020.
Kamoa-Kakula is one of three projects that the company is advancing in Southern Africa. They also include:
On Monday, Ivanhoe shares were swept up on in the stock market plunge that is attributable to concerns raised by the Corona Virus. The shares were down 15% or 44 cents to $2.53 after previously trading in a 52-week range of $2.97 and $4.54.
The high-grade Kipushi zinc-coppersilver-germanium mine, located in the DRC. Ivanhoe is led by Singapore-based mine financier Robert Friedland, who holds a 17% interest in the company. CITIC Metal Co. Ltd., a subsidiary of the Chinese state-owned CITIC Group, recently agreed to invest an additional $612 million in Ivanhoe at $3.98 a share, raising its stake in Ivanhoe to 29.9% from just under 20%.
At a 1% cut-off, Kamoa’s Indicated Mineral Resources now stand at 760 million tonnes, grading 2.73% copper,
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Ivanhoe recently said the initial cost of developing its Kakula copper mine is estimated at US$1.3 billion, an 18% increase on earlier forecasts.
Mine development at the Platreef platinum-palladium-gold-nickel copper discovery on the Northern Limb of South Africa’s Bushveld Complex.
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PRODUCT COVER STORY
While implementing customized mobile communications solutions to meet the unique requirements of a digital mine can be very challenging, the key aspects of operational outcomes come down to four basic principles: Safety, Security, Smart Analytics and Sustainability. Safety In mining operations, private LTE networks enhance automation at the site by monitoring and controlling equipment without interruption and, keenly, connecting personnel to vehicles and sensors, thereby improving safety. This persistence of connectivity — realtime tracking and live communication from anywhere workers are located in the mine, regardless of the number of access points or which mobile device is being used to monitor them above ground by mine managers — helps reduce mining incidents and tragedies.
Use digital Mining to unlock value, drive productivity By Ziad Choueiry
D
igital transformation — once so singularly identified with the thoughtful alignment of enterprise infrastructure to accommodate online users — has begun to impact myriad industries, among them mining. That’s not conjecture. There are real data points behind it. In fact, an oft-cited report produced by World Economic Forum predicts that digital transformation in the mining industry may generate as much as $425 billion of value for the mining industry through 2025 with 82% of executives, according to a survey by Accenture, reporting they expected an increase in investment in digital technology over the next few years. Interestingly, the same principles that have guided the application of technology to enterprises, that is, the ability to provide administrators with real-time visibility and control similarly guide what mine operations will look like in the future: interconnected and data driven to help mining personnel track, analyze and optimize operations.
The result? An ability to calibrate everything from production to profitability, improve safety, and even reduce environmental impact that effectively “decarbonates” the mining process. To unlock and maximize this value, mining companies are demanding reliable, high-performance wireless connectivity as they digitalize and automate their operations. A polyglot of technology solutions is available to drive digital transformation in the mining industry. We recommend considering best-fit technology based on a combination of current and future applications that run on the mobile equipment onsite, the organization’s technology roadmap and, ideally, backward compatibility. Additional criteria: whether advanced data analytics capabilities will be applied to the raw data to create visualizations, insights and recommendations to be shared with mine managers and employees, in realtime, on their mobile devices.
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Security Purpose-built, wireless video surveillance increases both mine safety and site security, providing mine management with high-quality, reliable connections to ensure assets and personnel are secure and safe. And, because modern wireless equipment employs non-line-of-sight (NLOS) technology, it simplifies outdoor deployment. Additionally, a private LTE network allows secure data communication over the network. By leveraging strong authentication technology, exposure of data to unauthorized third parties is mitigated or eliminated entirely. Smart Analytics Increasingly, there is a need in mining operations for a single converged network for voice, surveillance, data, automation, and IoT (Internet of Things) applications with specific real-time Quality of Service (QoS) requirements, industrial grade reliability and security. This enables the digital mine to: • Connect the data in the mine • Collect the data in the mine • Extract data in real-time using Smart Analytics For example, by providing analytics to predict failures before they occur, M2M (Machine to Machine) sensors can detect the real-time status of heavy equipment and vehicles. Considering the cost of an excavator going down at a mining operation can be as much as
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$5 million per day and losing a haul truck can mean a loss of $1.8 million per day, equipment performance has significant repercussions. Additionally, with access to real-time data and analytics, geologists, mine planners and pit controllers, as well as drilling and blasting teams can, among other tasks, utilize visualization tools that provide 3D displays of a mine (geological modeling), on-the-day scheduling, and even predictive maintenance through smart statistical and optimization algorithms. Sustainability A private LTE network is also sustainable — enabling comprehensive situational awareness for improved safety, with full visibility of people, assets and infrastructure —without the invasive footprint of humans or machines.
while solidifying mining materials as the cornerstone of the energy transition.
This ‘green’ transformation reduces climate impact through increased production efficiencies and the ‘decarbonization’ of the supply chain. On a broader scale, such sustainability plants a stake in the ground as the mining industry’s response to climate change
As digital transformation becomes pervasive in mining and the industry itself evolves toward knowledge-based jobs that supplement human resources while optimizing their safety and security, it becomes a competitive differentiator in assisting mining companies globally
in transforming their operational processes. Additionally, by using private LTE networks, they have the ability to lower operational costs, improve productivity and maintain complete visibility and control over their sites. The mining companies that recognize and embrace this transition today are best suited to navigate the changes ahead and come out on top tomorrow.
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PRODUCT FEATURE
Working to eliminate the everpresent risk of fire in mines
M
ine sites are both broad and varied in how they operate as well as the critical natural resources that they search for. However, all have in common, highly expensive and mission critical equipment that typically operate day and night under extreme hostile conditions, in vast, remote and difficult to access environments, especially on underground equipment. Heavy vehicles, mobile plant, agricultural machinery, stationary equipment, electrical control rooms, power generation equipment and other assets represent a substantial investment for any business. Due to the oftenheavy demands placed on equipment performance, a significant consideration of risk for any operator today is damage
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to equipment or potential loss of life resulting from the ever-present risk of fire. This is why it is so important to ensure that all this critical equipment are protected by appropriate fire protection systems. Wherever you have heat generation combined with potential mechanical or electrical component failure, the probability of fire is real. Consequently, consideration must be given to the costs of asset replacement and lost production. These costs are, however, insignificant compared to the possible loss of life. While there are some common causes of fire, it is worthwhile considering the options available to protect your
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investment in the case of such an event. The installation of a Fire Suppression System has now become an essential part of a company’s overall risk management plan in order to minimize the risk to both operator and equipment. Fire safety in the industry; On a mine site, fire hazards may occur in and around process plants, underground conveyors, static and mobile plants, draglines, workshops, substations, monitored control rooms and switch rooms. Today the installation of an automatic fire suppression systems has become an essential part of an inclusive risk management plan to protect the high value assets, safeguard operators and processes so as to guarantee business continuity. Systems Types: Foam based Fire Suppression Systems are the most
suitable solution for the protection of assets where liquid hydrocarbon fuels pose a high fire risk. Water alone is ineffective and can even be dangerous. The introduction of foam amplifies the effectiveness of water by breaking down the surface tension, making the droplets smaller, and enhancing the cooling effect. The role of the foam in the solution is to create a blanket sealing the vapours preventing ignition. The role of the water in the solution is to provide cooling. Foams are supplied in concentrates that are appropriately proportioned with water. They are then aspirated with nitrogen gas to produce the foam bubbles and discharged through a pre-engineered Fire Suppression System specifically designed to protect the risk areas.
YOUR FIRE SUPPRESSION PARTNER The risk of fire is real and can have catastrophic consequences on the welfare of your people, your assets, and your business. Protect your personnel & mobile equipment with one of the world’s most sophisticated foam based fire suppression systems, which utilise the latest engineering technology to provide 24/7 fully monitored solutions in accordance with ZABS ZS1209:2019 standard. JSG Industrial South Africa | sales@jsgindustrial.co.za | www.jsgindustrial.co.za
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FEATURE
Muster – Your Fire Suppression Partner
Muster introduces innovation into the fire suppression market with their Muster Fire Suppression Systems. Using leading edge technology for automatic detection and actuation; Muster is a pre- engineered system designed for environments where world-leading performance is consistently demanded. Muster’s innovative features include: 24/7 Full System Integrity Monitoring through the uniquely designed Muster Alarm Panel which can be integrated into all of the Muster Fire Suppression Systems; System Diagnostic Capabilities which feature a compact state of the art Diagnostic Module to preserve the systems’ essential information and download software updates; Flexible Heat Detection Capabilities which employ the latest fire sensing technology with our MusterWire Linear Heat Detection system, ensuring clear and continuous signals are relayed to the Muster Alarm Panel to enable reliability and integrity of the monitoring, or immediate fire activation; and Cloudbased Software integrates leading edge technology with our exclusive Muster360 Cloud- based Risk Assessment, System Design & commissioning program to lower risk, reduce costs and ensure all Muster Fire Suppression Systems are compliant with approved fire standards. Muster Fire Suppression Systems have received a Certificate of Conformity by Zambia Bureau of Standards (ZABS) in accordance with ZS1209:2019/AS5062:2016 standards. System design and installation is carried out by trained and qualified personnel. Every system design begins with a thorough risk assessment of the equipment to be protected. This ensures that all fuel and ignition sources are identified and assessed for protection, resulting in a more effective management of the asset and its fire risks. The Muster range includes several alternatives for fire detection and sensing, numerous cylinder size alternatives, and a comprehensive range of extinguishing agents including environmentally friendly Foam, Solid Aerosol Generators and Dry Chemical Powder. Combinations for dual agent configuration are also available to suit various applications via our unique Muster Integration Module, all monitored by one Muster Alarm panel. This reduces costs and ensures the integrity of your Muster System is constantly monitored 24/7.
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THE PIONEER IN VEHICLE FIRE SUPPRESSION
sold worldwide. Knowhow and experience ensure our customers have the latest technology combined with proven reliability. Our Forrex system, which combines the features of liquid and dry chemical, includes unique and patented solutions where quality is ensured throughout the production chain. The close cooperation with major vehicle manufacturers offers unsurpassed integration, performance and logistics. Unlike other agents, Forrex is tailor-made for vehicle knockdown and unique protection against re-ignition.
Dafo Vehicle Fire Protection AB l Vindkraftsv 8 l P.O. Box 683 l SE-135 26 Tyresรถ l Sweden l Tel +46 10 1768 100 l support@dafo-vehicle.com l dafo-vehicle.com
FEATURE
Optimize your operations with the right wireless network.
Photo Credit: AgnicoEagle
R
eal-time data access for underground mines has traditionally been a challenge. The lack of broadband network connection and the nature of the environment has led to some of these challenges. The benefits of implementing a reliable and scalable wireless network in underground mines are huge not only for personnel safety but to remain competitive through optimized production and maintenance cost reduction. Communication infrastructure is becoming an increasingly vital component of efficient and productive underground mining operations, but the constantly changing nature of a mine, the highly mobile fleet, and the inherent environmental challenges may present a hurdle. Providing a solution that can support the large amounts of throughput necessary for remote controlled or even autonomous operations in these environments, without the necessary infrastructure, is challenging. While all wireless technologies have their pros and cons, they are not all equal when it comes to last mile connectivity.
Most currently 5G deployments are very much focused on delivering enhanced mobile broadband to consumers. But leveraging connectivity to digitize and transform industries is drawing significant interest from the telecom ecosystem given the trends around stagnant ARPU and slowing device upgrades. Combining high speeds, low latency and massive internet of things presents the opportunity to open up new markets on the back of new technologies and business cases. Private wireless field automation networks advance open-pit mining fleet management. Mining is a capital-intensive business requiring expensive heavy equipment operating in some of the world’s most hostile environments. The challenge is maximising capital utilisation by focusing the invested capital on revenuegenerating activities, ie, getting more of the best quality material from ground to port in the shortest time possible. High network availability (99.999%) is required to support mission-critical fleet management implementations. To meet
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this requirement, wireless networks must have a built-in redundancy mechanism to minimise the probability of transmission failures. A mine is a dynamic mobile environment with vehicles and people requiring seamless mobility as they roam between access points in the network AMBRA Solutions: Reliable Telecom Solutions for Mining Up to now, LMR (VHF/UHF) and Wi-Fi technologies have been widely used on mining sites to provide voice and data services respectively. However, those two technologies are limited in their flexibility to adapt the dynamic mining environments. 802.11 based solutions require a lot of infrastructure while LMR only provides voice capabilities. Since 2013, voice and data have been delivered to mining users using a single LTE infrastructure. LTE is now a disruptive technology that allow mining companies to increase the safety of their workers and increase their productivity by remotely controlling mining equipment.
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For example, only in 2019, over 10% of the AgnicoEagle LZ5 mine production has been done using remotely controlled mining equipment. This number will increase in 2020. A mining equipment that used to operate 18 hours on a 24 hours cycle now runs 24h on a 24h cycle! This is a 33% increase. The well proven and reliable LTE technology is an enabler allowing mining companies to address their automation needs and increase their efficiency while reducing their deployment costs. The cost of deploying LTE is cheaper than WiFi networks and the rapidity to deploy the network underground is astonishing with an installation rate of 1.5km per day. The robust LTE technology provides data, voice, push-to-talk, IoT, tracking and tele-operation capabilities to the face without using active components in the tunnels. A single active LTE radio installed in the substations can provide coverage to 6km of underground tunnels! It would take between 60 to 80 active Wi-Fi access points to cover the same area. Tracking with underground mines not only help locating assets and persons, it allows mining companies to save a lot of money by using ventilation on demand. Fans are turned off if there is nobody in some areas of the mine. Low cost and low power LTE sensors can now be powered on a battery that last up to 10 years. Adding Push-to-talk users or talk groups takes a few minutes and is much more flexible than traditional
Photo Credit: AgnicoEagle
LMT which requires adding frequencies and reprogramming every radio. Hands free full-duplex voice and video calls can now be done between workers allowing then to use both of their hands in case of an emergency. Here are some key aspects of the LTE technology: • Low frequencies and non-line of sight communication • End-to-end quality of service (QoS) for mission critical applications • Operational characteristics 1. Increase RF safety by using very low RF power compared to 802.11 and LMR 2. licensed band spectrum eliminating
interference
3. high spectrum density 4. seamless mobility • On-premise LTE server ensuring • •
data integrity and security Real-time tracking capabilities and emergency messaging system Remote operation of drills, LHD and trucks
Today, LTE has been deployed and tested by multiples mining customers in both open-pit and underground mining environments. Multiples mining applications have been developed and tested over LTE. Even legacy layer-2 applications are now compatible with LTE networks.
The world leader in private LTE networks
sales@ambra.co www.fmdrc-Zambia.com
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FEATURE
Mining in Zimbabwe: time to use it or lose it
B
etween colonial intervention and a weak regulatory framework, mining in Zimbabwe has struggled to live up to its potential. With the government cracking down on undeveloped licenses, and aiming to force companies to “use it or lose it”, we consider the history of mining in Zimbabwe, and who the winners and losers of the new policy could be. Mining could prove to be big business in Zimbabwe, with mineral exports responsible for 60% of the country’s export earnings as of October 2018, and the mining sector contributing around 16% of national GDP. The government has also outlined ambitious plans to quadruple the sector’s total value to $12bn by 2023 as it looks to take advantage of abundant natural resources such as the country’s Great Dyke, the second-largest platinum deposit in the world with around 2.8 billion
tonnes of ore belonging to the platinum group metals. However, this potential has been hamstrung by an inefficient sector, which has failed to meet its 2019 gold production target of 40 tons, and reached a value estimated to be around just $3bn. A key contributing factor is the country’s lax licensing laws, which permit foreign
“If the Zimbabwean government implements the ‘use it or lose it’ principle, it is unlikely that the small-scale and artisanal miners would be able to step in, and take over those operations,” said Beech.
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companies to own 100% of a mine licence for any commodity, save platinum and diamonds, in perpetuity. This has led to several firms holding cheaply-acquired licences for years, with no pressure to develop them into producing mines, cutting into Zimbabwe’s potential production and depriving smaller and local companies from the opportunity to develop projects. In November, mining minister Winston Chitando announced that the government will force companies to develop these assets as part of a ‘use it or lose it’ policy, its latest attempt to remove inefficiencies from and stimulate growth in the mining sector. The policy builds on similar initiatives deployed in the gold mining sector, and is a combination of pro-Zimbabwean policies implemented in the years following independence, and probusiness policies that have underpinned the country’s economy for a century.
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The question remains, however, who stands to gain the most from this hybrid legal apparatus? Foreign involvement and concentrated wealth Despite its mineral wealth, Zimbabwe has historically struggled to turn these resources into profitable enterprises, in no small part due to the country’s occupation by the UK in the mid-20th century. Throughout the post-war period, including its lengthy divorce from the British between the unilateral declaration of independence in 1965 and the election of Robert Mugabe as president in 1980, the influence of overseas, and particularly British, companies in its mineral sector hamstrung the mining industry. In ‘The mining industry in Zimbabwe: labour, capital and the state’, published in Africa Development by John Bradbury and Eric Worby, the writers note that by
1980, up to 95% of the country’s mineral output was produced and controlled by foreign companies, a model that led to a dramatic concentration of the mining workforce in a few projects. By 1980, the 14 largest mines in the country, all of which were owned by foreign firms, employed 61% of the country’s mining workforce, leaving much of the country’s mineral wealth undeveloped despite these miners possessing licenses for a number of projects.
a select few firms, the total value of the country’s mineral production fell from Z$414.8m in 1980 to Z$383m just two years later.
This impact has been magnified by the struggles of Zimbabwe’s domestic miners to compete with these foreign investors. Warren Beech, head of mining and infrastructure at law firm Eversheds Sutherland, noted that “without significant investment from foreignowned mining companies, it is unlikely that Zimbabwe will be able to unlock its vast mineral wealth, which is vital not only to the development of Zimbabwe’s economy, but also transformation, growth and development, in general.”
President Robert Mugabe introduced a law requiring that at least 51% of each of the country’s platinum mines to be owned by local people, and since the decriminalisation of artisanal mining in 2013, the country’s total gold production jumped from under 15,000kg in 2012 to nearly 25,000kg by 2016.
Yet despite these investments in mining, there has not been a parallel growth in the Zimbabwean economy, with Bradbury and Worby noting that the goal of much of the investment in mining has been “the process of capital accumulation and the inter-regional transfer of value out of Zimbabwe mostly into South Africa, the UK and the USA.” Despite what they call a “gratifying increase in the value of production” for
Economic stimulation Since the withdrawal of colonial rule, Zimbabwe has implemented several projects to simultaneously improve the economic performance of the mining sector, and see its mines and mineral reserves returned to Zimbabweans.
The government has also implemented other ‘use it or lose it’ programmes, aiming to remove inefficiencies in the mining sector, alongside these attempts to improve access to mineral deposits. In 2017, more than 1,000 gold mining claims were forfeited in the country’s Matabeleland North province after miners failed to pay an inspection fee of $100 within six months of starting operations. Beech noted that, unlike foreign investments which aimed to benefit the investors, initiatives such as these are “to ensure that minerals are extracted, to benefit the state, and all its citizens.”
FEATURE
The existence of these licensing fees may have contributed to the growth of the small-scale mining sector, a more accessible, decentralised approach to mining in Zimbabwe that was making strides towards establishing itself as a financially significant sector. A 2016 report from PACT found that by 2016, artisanal gold mining was the thirdlargest contributor to national GDP from the mining sector, responsible for 21% of value, behind just PGM mining (32%) and large-scale gold mining (26%).
Zimbabwe is likely to continue in its current form, without regularisation.”
Yet a tightening of mining regulations could ultimately limit the productivity of the artisanal mining sector, effectively capping the potential of Zimbabwean companies to mine for resources.
External economic pressures and political changes have also further muddied the country’s mining framework. In 2017, South African magazine Business Day reported that the Zimbabwean economy had halved since 2000, and inflation rose by 176% across the national economy in June 2019 alone, according to the country’s National Statistical Agency.
“If the Zimbabwean government implements the ‘use it or lose it’ principle, it is unlikely that the small-scale and artisanal miners would be able to step in, and take over those operations,” said Beech. “These operations will require significant investment, which is often not available to the small-scale and artisanal miners. “Until significant incentives have been implemented by the Zimbabwean Government for the small-scale and artisanal miners to regularise their mining activities by making the licencing process an easy process, which is cost effective, and can be implemented without onerous obligations, the smallscale and artisanal mining sector in
Winners and losers “Ironically, if the principle ‘use it or lose it’ is strictly applied, the Zimbabwean state-owned mining company may be the biggest loser,” said Beech, “because the operations that fall under the state mining company, have not started operations or carried on operations as they are required to do in terms of Zimbabwe’s mining laws.”
Furthermore, the fall of Mugabe’s regime in 2017 led to another round of reforms for the country’s mining sector. In March 2019, the 51% ownership requirement was scrapped, and later in the year, the ‘use it or lose it’ scheme was extended to all of the country’s mines, creating a hybrid system of laws and pressures that aims to encourage the foreign investment and production that characterised the 20th century, while maintaining the local ownership and responsibility implemented in the 21st.
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Beech noted that this hybrid policy “does open up opportunities for other investors, who may have a more risktolerant approach to investment,” and this combination of legal frameworks could ultimately benefit some of the larger foreign miners, such as Anglo American. The company estimates that it has access to 52.5 million tonnes of reserves of platinum group metals in Zimbabwe, but is currently only producing platinum from a single project, the Unki mine. With production estimated to reach around 88,000 ounces in 2019, there is significant scope for improvement as the miner could be forced to begin developing the resource licences it holds. Yet regardless of which policies are implemented, Zimbabwean companies could stand to lose the most, as a confused regulatory framework will continue to disadvantage local miners, and those with smaller financial reserves. Beech concluded that: “it is more important, in my view, to address the policy and regulatory certainty, particularly surrounding indigenisation laws, and to develop infrastructure. “The more certainty there is regarding policy and regulatory frameworks, the more investment will flow to Zimbabwe, and it is usually far easier to grant new prospecting rights and mining rights, than tampering with existing rights.”
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FEATURE
Foskor contracts Geomech Africa to help optimise its North and South pits
F
oskor is a producer and distributor of phosphate rock, phosphate-based fertilisers, sulphuric acid, phosphoric acid and magnetite locally and internationally. The company is South Africa based, with in excess of 1600 employees. Foskor awarded Geomech Africa a contract to carry out a geotechnical investigation at its Mining Division is in the Limpopo Province of South Africa. The image below shows a simplified geological map of the Phalaborwa Complex, with the mine located in the North. The current pit designs for Foskor’s north and south pits were based on very limited geotechnical data. This lack of data results in pit slope designs of low confidence. A geotechnical risk assessment and gap analysis of the South and North pyroxenite pits was carried out in 2010 and it was concluded that a number
of oriented geotechnical boreholes should be drilled to ensure that there is sufficient discontinuity, rock mass and intact rock strength data to identify the continuity of the rock. The main purpose of this drilling programme is to obtain sufficient geotechnical data for optimisation of the north and south pits. The project entailed drilling two holes in the North pit and five in the South pit. The holes which range from 300m to 500m deep are being drilled by LF90 Boart Longyear and CS1500 Atlas Copco rigs whose long reach booms are specially designed for exploration drilling. Down the hole surveys are done at the end of each day to ensure that the direction of the holes does not deviate more than 2º from the required angle of -70º. The survey tool is connected to the overshot and dropped to the bottom of the hole to read the direction of the hole.
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FEATURE
Further, structural data comprising of structural identifications and their respective orientations is measured by means of Acoustic Televiewer, a down the hole geophysical method. There are instances where the upper sections of the rock mass is highly fractured making the drilling and identification of strata more complex.
through highly fractured rock which required the grouting of holes and the use of specifically designed drilling muds. An Acoustic Televiewer was used to ensure that the direction of the holes did not deviate more than 2º from the required angle of -70º.
According to Nkosi Nene, Chief Rock Engineer at Foskor, “Our experience working with Geomech Africa has been a good and a professional one. Our working relationship and collaborative efforts and engagement has yielded good results.”
The holes have had to be grouted in places to allow the drill to pass through larger cracks and specific drilling muds have been used in the production process to help prevent the collapse of unstable strata into the borehole and the escape of essential cooling and lubricating drilling muds into open cracks. The correct drilling muds were identified through a combination of experience and trial and error. Drilling supervisor, Kiewiet Mahlangu has been in the exploration drilling division of Geomechanics for 14 years and using his knowledge, he tested various scenarios and their impact on the formations as the drill advanced, until the correct balance was found. The final solution involved Aus plug, Bentonite and CR650. The contract lasted 3 months and was completed on time. According to Nkosi Nene, Chief Rock Engineer at Foskor, “Our experience working with Geomech Africa has been a good and a professional one. Our working relationship and collaborative efforts and engagement has yielded good results and progress on the project and we are pleased thus far.” Facebook summary Geomech Africa recently completed a 3-month geotechnical survey for Foskor Mining Division in the Limpopo Province of South Africa. The objective of the project was to identify the continuity of the rock. The data obtained will be used to help optimise Foskor’s North and South pits. The orientated holes, which ranged from 300m to 500m deep, were drilled
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FEATURE
Mining Sector
in Tanzania
M
ining is one of the leading sectors in Tanzania, with the value of mineral exports increasing tremendously each year. Diamonds, gold, nickel, gemstones amongst others play a key role in Tanzania’s growing minerals industry. Market overview Tanzania is located along the coast of the Indian Ocean and is a member of the East Africa Community. Dar es Salaam is the largest port of entry in Tanzania and serves as a gateway to landlocked neighbouring countries. The United Kingdom is the largest foreign investor in Tanzania followed by India, China, Kenya, USA, Netherlands, South Africa, Canada, Germany and Oman.
Mining is one of the leading sectors in Tanzania, with the value of mineral exports increasing tremendously each year. In 2011 the value of mineral exports reached $2.1 billion, more than 95 percent of which came from six gold mines. The mining sector contributes approximately 3.0% to annual GDP. Tanzania has the ambition to make the mining industry account for 10% or more of GDP by 2025. In the last decade, the country has witnessed growth in mining sector with reputable mining companies e.g. Barrick Gold, Ashanti Anglo-Gold, and Resolute investing in large-scale mines. Minerals available in Tanzania include gold, diamonds, gemstones (such as rubies, aquamarine, tanzanite,
sapphire; emerald, rhodolite, opal, zircon, alexandrite, garnets, tourmaline, spinel, peridot, iolite) Iron and Base metals (nickel and cobalt), platinum group metals: (platinum, palladium and Rhodium), Industrial minerals (soda ash, kaolin, salt along the Coast and inland lakes, vermiculites, limestone, silica sands, phosphate, gypsum, mica, dimension stones i.e. granites, travertine, marbles, quartzite) and coal resources. Tanzania is the 4th largest gold producer in Africa after South Africa, Ghana and Mali and is the sole producer of the precious stone Tanzanite in the world. Gold production currently stands at roughly 40 tonnes a year, copper at 2980 tonnes, silver at 10 tonnes and diamond at 112670 carats.
Tanzania is endowed with abundant natural resources, a favourable climate, political stability and an excellent geographical location in the region, which makes it accessible to potential export markets in the region, the Gulf States and South Asia.
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Business Monitor International (BMI) forecasts average annual growth in the mining sector of 7.7 per cent between 2013 and 2015. BMI also predict a doubling in value of the sector to around US $ 1.28bn in 2015. However, nearly all major developments have been seen in the gold sector. As is stands, minerals make up over 52% of the country’s exports, of which, a large part results from gold, and it continues to see the majority of developments within the sector while other minerals also play a key role in the continued development of the mining industry in Tanzania. The Tanzania mining industry remains attractive to investors, given the next few years of significant diversification to the mining of nickel, uranium and coal. There is also availability of investment incentives and supply chain opportunities in the mining sector. Moreover investments in coal would receive a boost as Tanzania looks to coal-fired power stations to offset energy shortages. Gold mining exploration and
gold production, gem stones mining and trading, as well as, small and artisanal mining activities are experiencing considerable growth as well. Business Opportunities Gold Tanzania is said to have the largest gold reserves in Africa behind South Africa, making the country a major focus for the exploration and development of gold on the African continent. Prospecting done revealed that some 130.2 million tons of gold reserves are present in Tanzania. The discovery and exploration of gold in Tanzania offers one of the best areas for investment in the country’s mining sector. Tanzanite Tanzania is the sole producer of this precious gemstone. Currently, there is only one major investor, Tanzanite One and other small scale miners on Tanzanite. Coal and Iron Identified projects in the coal and iron sub sectors can also mean business opportunities include;
further development of the Kiwira and Mchuchuma-Katawake coal deposits as well as Liganga iron ore deposits. There is a potential demand for the reserves of coal and iron at both global and regional level; their prices are globally high and projected to steadily rise through 2030 and beyond. Tanzania urgently needs to develop new energy sources to supplement the national grid and for specific industrial projects. This sector has the potential to generate more than US$60-100 million per year in coal export revenues and generate 400MW of additional power. Other minerals/gemstones Other minerals play key roles in attracting investments into the country and development of the mining industry in Tanzania. Opportunities in the supply chain • Value adding ventures particularly in gemstones and jewellery manufacturing (e.g. lapidary, cutting, polishing, etc).
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FEATURE
•
• • • • • •
Supply of mining services such as drilling, airborne geophysical surveys; or refining. This also includes supply and/or hiring of equipment for large and small scale miners as well as contract mining. Training in gemstone cutting and polishing; Training in jewelry designing & manufacturing; Training in gemology; Training in diamond grading; Establishing laboratory for testing and certification of gemstones; Gemstone treatment;
Legislation The most recent amendments to Tanzania’s mining sector include four key
regulatory changes enacted in February 2019, all relating to the country’s Local Content Regulations. The Local Content Regulations follow the amendments of the Mining Act, 2010 through the Written Laws (Miscellaneous Amendments) Act, 2017, which introduced the local content requirements. Local content regulations now require that at least 20% of a mining company operating in Tanzania must be owned by Tanzanian citizens, down from 51% previously (as stipulated by the Mining Local Content Regulations introduced in 2018). Other requirements for an entity to qualify as an indigenous Tanzanian company
remain the same (the company must be incorporated in Tanzania, Tanzanian citizens must hold at least 80% of the company’s executive and senior management positions and 100% of its non-managerial and other positions). With regards to the provision of financial services, a contractor, subcontractor, licensee or other allied entity is still required to retain only the services of a Tanzanian financial institution or organisation. Further alterations to the Local Content Regulations have reduced the stringent financial services requirements for mining companies operating in the country.
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FEATURE
TELLAP pallet-free bulk bags for safe and efficient packing and transport in the mining sector
TELLAP bags can be stacked securely two high in a container or four high in a warehouse and are loaded and unloaded by a single forklift operator. Unlike conventional wooden pallets, which can be unstable and move during shipment, TELLAP sleeves act like outriggers on a canoe, bracing the bag to increase stability and enhance safety in warehousing, containers, rail cars and trucks. Environmental responsibility has been critical in the design of TELLAP. This germ-free recyclable plastic sleeve system requires no fumigation or heat treatment and there are no disposal problems. Other advantages of replacing the conventional pallet are reduced product damage and no contamination from splinters, nails and mould, normally associated with wooden pallets.
The TELLAP pallet-free bulk bag system ensures efficient, secure packaging, storage and transportation of dry, loose and bulk products, including minerals, food commodities, resins and pharmaceuticals.
T
ELLAP pallet-free bulk bags have been developed in South Africa for safe and efficient packaging and transport of dry, loose and bulk products - including high-value minerals in the mining sector. “TELLAP, which offers cost savings, ease of use and enhanced safety for workers, also ensures optimum protection of the goods being transported,” explains Ken Mouritzen, director, TELLAP. “This environmentally-sustainable system has been developed in response to demand from industry for a lightweight packaging and transport system, that not only minimises product contamination and damage, but also adheres to stringent safety and environmental regulations in the global supply chain.
Environmentally-sustainable TELLAP pallet-free bags are manufactured from 100% polypropylene. These bulk bags are recycled or re-used and there is no packaging waste or dumping in landfill.
“Robust TELLAP pallet-free bulk bags, which are manufactured from 100% recyclable polypropylene, consist of a proprietary bulk bag and two strong plastic sleeves that are integrated into the base of the bag to replace the conventional wooden pallet. This design allows a standard forklift truck to safely raise the bag from the base, with no requirement for special handling equipment. “What’s also notable is a regular wooden pallet can weigh up to 23 kg, while the compact TELLAP system weighs less than 2.3 kg. “This patented packaging system uses the space between the sleeves to increase bag volume by up to 10%. TELLAP optimises container volume for lightweight minerals, like graphite or carbon, by increasing bag volume, thereby reducing transport costs per metric ton. As an example, where users ship 20 bags of heavy product on traditional wooden pallets, they will be transporting approximately 400 kg of dead weight, while 20 pairs of TELLAP sleeves weigh only 46 kg. This means users are able to transport more product at no additional cost, reducing transport costs per metric ton, while reducing the number of bags, trucks and containers.” To check on individual transport savings that can be achieved by using this system, TELLAP has a calculator available online http://tellapbags.com/ why-tellap/tellap-calculator/
This system can be customised to enhance efficiency and productivity in specific mineral handling requirements, with the implementation of spouts, liners, baffles and printing.
Benefits from using TELLAP pallet free bulk bags include increased stability when stacked, worker and safety and no damage from wood splinters, nails or mould.
TELLAP bulk bags, which are manufactured to international quality, safety and environmental standards, are independently tested to meet stringent performance requirements for nondangerous goods contained in flexible intermediate bulk containers (FIBC). In the handling of various minerals including graphite, phosphates, carbon and nickel - TELLAP optimises container volume and ensures swift and efficient loading and unloading, while maintaining the integrity of the product during transportation. The TELLAP pallet-free system also ensures efficient, secure and hygienic packaging, storage and transportation of other dry, loose and bulk products, like food commodities and ingredients, pharmaceuticals and petrochemicals.
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FEATURE
the exothermic cutting process has come a long way, many manufacturers now sell packs that come complete with a torch, power supply and oxygen cylinder case, which can all be worn as a backpack or carried by handles, making it practical and easy-to-use. This allows firefighters and rescue teams to be able to access anything that is in front of them.
Exothermic cutting technology and equipment for mining
T
he exothermic process, which has been around for many years, is a process that releases energy in the form of heat. When used in cutting, the exothermic process uses oxygen as an exciter, thus the steel rod becomes the fuel. As long as the oxygen flow is maintained through the torch and rod, the rod will continue to burn and consume at a temperature between 8,000-10,000°F.
One of the biggest applications for exothermic cutting is pin removal on heavy equipment. When a pin in heavy machinery will not budge, it must either be cut or have a hole burned through the centre for removal. When piercing a hole right through the middle of the pin, the metal from the pin is physically removed, so the pin will actually shrink allowing for easy removal once cooled.
Exothermic cutting is a technology which allows cutting, piercing and gouging on almost any ferrous or non-ferrous material including steel, iron, aluminium and magnesium.
Another application that is becoming more popular is Fire and Rescue. Since
While many may understand the basics of exothermic cutting strategies, real professionals must know how to operate and perform with this technology. To help educate the industry, below are some helpful tips on how to get the most out of your cutting equipment. Even the best techniques for exothermic cutting equipment will change from job to job. Please be aware, as in any applications, some adjustments in operating conditions may be necessary in order to ensure you get the most of your cutting equipment and achieve optimal safety requirements. Get the job done with ATLC ATLC – Australian Thermic Lance Company, was established by Ken & Robyn Gill in 1973 in Sydney, Australia. The company is commonly known in Australia as K & R LADLE CO. PTY LTD, as a manufacturer of Foundry Tools, such as Hand Held Ladles, Skimmers, Degassing Plungers, Tongs etc.
Some torches, such as the SLICE torch, can virtually cut anything placed in front of it, such as copper, brass, concrete and brick. Used predominately for plant maintenance, building renovation or demolition, scrap clean-up and salvage work, exothermic cutting removes edges on loaders for repair or replacement, and even burns through mud or rust-covered machinery frames.
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FEATURE
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FEATURE
In 1979, K & R was approached by an Aluminium smelter to manufacture a Thermic Lance, cause they had troubles sourcing locally or overseas. K & R Ladle went to work in not only manufacturing a safe and efficient Thermic Lance, but quickly got recognised as a reliable source of Thermic Lances of many sizes to the Foundry, Maintenance and Demolition industries. In 1985, their sons entered the business, and concentrated on developing new design Lance equipment and safety apparel, and focusing on marketing a gas cutting tool that was relatively unknown in Australia in that period of time. In 2012, the name Australian Thermic
Lance Company was registered as a Trading name, so the KRL Brand was more recognisable overseas, and could attract the International market more directly, through large distribution networks already established. ATLC Today The ATLC brand is widely distributed throughout Australia and overseas, with a large range of sizes to suit any application, all the way from 6mm O.D. to 27mm O.D., with capabilities of manufacturing even larger, if need be to suit that application. 6mm & 10mm O.D. are regarded as Mini Thermic Lances, and are commonly used in the Earthmoving maintenance industry for the removal of seized pins or the cleaning of Tundish nozzles. The pin size ideal for these, would be between 25mm – 120mm. Then you go to the Thermic Lance range of O.D. size 12mm; 16mm; 19mm ; 21mm & 27mm. The 12mm to 21mm are commonly used in larger pin removal 120mm – 300mm, or cleaning
slag accumulations in furnaces, direct tapping of Furnaces or the cutting of large steel structures or beams. The 27mm Lance, is used for the cleanup of Furnace spills, where furnaces have malfunctioned and tonnes of molten material has been poured out onto the floor, which then solidifies, and nothing will lift it up, until it has been cut up into smaller sections for removal. ATLC has designed Safety Apparel that protects the operator and assistants to a very high standard. The apparel in the form of Jackets, Trousers and Gloves are all Leather faced with Aluminium lining on the inside for Radiant heat protection, and then Kevlar fleece material on the inside where it touches the operator’s undergarments or skin, so molten metal splashes cannot penetrate and injure the operator. ATLC manufactures our own version of Lance Handles for Mini & the Thermic Lance range, however, we also are a proud and Authorised distributor of the CONTESSI Brand for larger size handles and equipment especially for the Smelter industries, where extra heavy-duty equipment is necessary for their specific safety practises. Our superior quality and our customer support make ATLC the smart choice in all your lancing needs. Please contact us for your local distributor. info@ thermiclance.com.au
CUTTING SYSTEMS Complete line of cutting systems for mining, steel mills, demolition industry and heavy equipment maintenance. Everything from cutting heavy castings and piercing starter holes in plate to removing frozen pins. Quality products manufactured in the USA.
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[205] 322.9906 | oxylance.com | info@oxylance.com
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FEATURE
BMG’s products and solutions for welding fume extraction
B
MG’s Tools & Equipment division has introduced a range of specialist products, systems and services to assist industry to create a healthy and safe work environment, by reducing the risks associated with welding and cutting fumes, grinding dust and oil mist. “Global industry has instituted new legislation – even in agriculture - to protect workers from the harmful effects of welding. We at BMG believe local businesses need to be more cognisant about the hazards of welding fumes and how important it is to protect workers’ health through the extraction and control of welding fumes,” states Andrew Johns, business unit manager, Tools and Equipment division, BMG. “Airborne welding fumes are a mixture of metal fumes and gases produced during welding operations, that are harmful to workers. Toxic welding fumes can contain a mixture of manganese, chromium VI, carbon dioxide, nitrous oxide and ozone - which cause serious short and long-term health problems.
“In line with BMG’s commitment to keeping abreast with global trends, the company ensures its customer base has access to the latest equipment and advanced technologies in all sectors. Through our broad product portfolio and technical solutions service, we play a critical role in local industry to ensure a cleaner, safer and healthier workplace. The process of ensuring clean air in the work environment involves various
phases, from analysis and design, to supply, installation, commissioning and ongoing support. “Our welding products and services are tailored to meet specific customer requirements and encompass source extraction, personal protection equipment (PPE), general filtration and extraction hoods. “International standards for the preferred order in which welding fumes should be captured, are firstly source extraction, which contributes significantly to a better work environment. The next step is the provision of adequate PPE, followed by the separation of source and worker by automation, for example via extraction hoods. General filtration and ventilation systems are also critical in keeping the concentration of welding fumes within legal limits, according to international guidelines. The most effective solution for a cleaner workshop, is normally a combination of all these methods.”
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FEATURE
BMG’s Plymovent solutions for source extraction include portable fans, fume extractors and extraction hoses, mobile and stationary welding fume filter units with integrated fans. The range also includes filtration systems, modular extraction hoods, fire safety solutions and oil mist filters. A specially designed workbench provides extraction and filtration for welding and grinding applications. BMG specialists believe that source extraction is the most effective method of capturing and removing welding fumes directly from the breathing zone of the worker. An important unit in the MobilePro range is the mobile selfcleaning fume extractor, that is designed to remove welding fumes on-site in spaces that are difficult to reach by fixed welding fume extraction systems.
makes the PHV unit suitable for stainless steel welding fume applications. BMG’s Plymovent PPE PersonalPro range includes helmets to protect the eyes, face and head during manual welding, cutting and grinding. These versatile auto-darkening welding helmets, with an extended side vision, provide improved visibility, comfort and safety. An integrated lightweight Powered Air Purifying Respiratory (PAPR) unit provides protection against eye and face injury, as well as preventing
The PHV filter unit is a compact, portable unit, which is particularly well-suited for the extraction of welding fumes at source during maintenance and moderate welding applications. This unit is fitted with two motors to ensure effective extraction, while using nozzles or extraction through the welding torch. A HEPA filter - fitted as standard ensures high filtration efficiency and also
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respiratory problems. The PAPR unit blows clean air into the helmet, allowing the worker to weld and grind, while breathing purified air via a particulate filter. This system offers the choice of two air-flows and for additional safety there are ‘automatic clogged filter’ and ‘low battery’ alarms. BMG also offers Translas plug-andplay ClearO2 systems for the extraction and filtration of fumes from welding processes, micro dust, vapours and odours. The range includes extraction torches, with various nozzles, for the safe removal of welding fumes at source. Portable extraction units are used in conjunction with fume extractor torches and are suitable for convenient use by individual and multiple welders in high-production welding environments. ClearO2 High-Vacuum units, with an automatic cleaning function by reverse compressed air pulse, offer quiet and efficient operation. BMG’s extensive branch network also stocks a wide range of inverter welders, accessories, electrodes, welding wire and PPE, designed to enhance safety and optimise productivity in all sectors where metal working is essential.
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The Clarion Events office in Africa, formerly trading as Spintelligent, is a multi-awardwinning Cape Town-based exhibition and conference producer across the continent in the infrastructure, energy and mining sectors.
CLARION EVENTS
MINING
With a track record of over 16 years, the mining portfolio offers turnkey events in Africa’s mining hotspots such as the DRC and emerging markets such as Nigeria and Rwanda with respectively: DRC Mining Week, Nigeria Mining Week and East and Central Africa Mining Forum. The portfolio is supplemented by the key industry publication: Mining Review Africa and its news portal: miningreview.com, produced by Clarion Events’ in-house media department.
Conferences & Exhibitions Print and Digital Media
EVENTS IN THE MINING SERIES: 17 - 19 June 2020
Lubumbashi, DRC
The annual meeting place for mining decision makers and stakeholders doing business on the Copperbelt
5TH ANNUAL
26 – 28 October 2020 Abuja, Nigeria
The one event shaping the Nigerian mining landscape
BOOK YOUR SPACE jeantite.oloumoussie@clarionevents.com T: +27 (0) 21 700 3508 kudakwashe.tsingano@clarionevents.com T: +27 (0) 21 700 3588 benjamin.weinheimer@clarionevents.com T: +27 (0) 21 700 3515
AFRICA
MINING FORUM KIGALI - RWANDA
November 2020 Kigali, Rwanda
Promoting investment and trade of regional minerals
www.miningreviewafrica.com
www.clarioneventsafrica.com
FEATURE
TOMRA’s XRT sorting of lumpy chrome ore delivers high recovery rates and cuts costs
T
he rise in demand for chrome has been driven in great part by the China-dominated stainless steel industry, which represents more than 75% of chromium consumption. South Africa is a dominant global supplier of chrome ore and ferrochrome, and the biggest exporter to China – in 2017, it accounted for 73% of the country’s c h r o m e imports.
African chrome mining operations have been facing the challenge of meeting this rising demand while dealing with electricity and price constraints. They have been expanding into larger-scale underground and open-cut operations. These higher-capacity, less selective mining processes produce greater amounts of marginal or lower grade material due to the dilution of the main ore body.
South
This translates into higher costs, as the traditional methods for separating this low-chromite content material, such as Dense Media Separation, cyclones and spirals, are power and waterintensive or require costly agents. TOMRA’s X-Ray Transmission (XRT) sensor-based ore sorting is an established technology in physical separation that has proved extremely effective in mining operations for a variety of minerals, including chrome. Its benefits are significant: less complexity in the
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process, considerably lower costs, higher productivity and profitability – and the added advantage of a lower environmental impact. The X-Ray sensor accurately establishes the density of each particle in the feed, and high-speed pneumatic ejectors separate ore with high chromite content from bare or low-grade ore at throughputs between 60 and 200 tonnes per hour. The resulting output is a high-grade product that is ready to sell, with no need for additional comminution. It is a dry process that requires no water or reagents, and is frugal in its energy consumption, resulting in a fraction of the capital expenditure and running costs of traditional methods, as well as a smaller footprint. TOMRA’s XRT technology expectations in LG6 mine.
exceeds
Engineering and project management company P2E Consulting has firsthand experience of the advantages of TOMRA’s XRT technology in sorting chrome ore at Eastern Chrome mines
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in South Africa. They were looking for a solution to improve the efficiency of the sorting plant and turned to TOMRA: “We have installed TOMRA sorters on diamond and copper plants in the past and we believe their technology is ahead of their competitors,” states Craig Meadway, Business Development Executive of P2E Consulting. P2E Consulting commissioned a TOMRA COM XRT 2.0 sorter to replace an existing drum Dense Media Separation (DMS) plant: “The mine used the DMS plant to produce saleable Small Lumpy product from the mine’s LG6 Chromite ROM and dumps at a minimum grade of 38%, but it was very inefficient,” explains Craig Meadway. “The TOMRA XRT sorter has resolved this issue. It is used to upgrade Under Value (UV) material with a head grade of 20% to 28%, to produce a saleable product at a minimum grade of 38% Cr2O3. It does this efficiently and at a low Cost of Production (COP).” The TOMRA COM XRT 2.0 sorter has exceeded Craig Meadway’s expectations, with grades being achieved in excess of 40% Cr2O3 and
mass recoveries of 25 to 30% from scalped waste resulting in Chrome-intails as low as 12%: “No other technology has given us such a high recovery rate. Not only that, with TOMRA’s XRT there was no water usage at all and we didn’t need to spend on expensive reagents, so that we are producing Small Lumpy product for approximately 50% of the cost compared to a DMS plant.” The environmental benefits of TOMRA’s XRT solution were also an important factor in P2E Consulting’s choice of technology: “We are looking to introduce greener technologies into the mining industry. The fact that no water or chemicals are used is a major advantage,” comments Craig Meadway. “Also, South Africa has major power limitations, and the lower energy consumption when compared to DMS is a huge driving force.”
Easy operation and superior support from the TOMRA team
The easy operation of TOMRA’s XRT sorters is a further advantage: “It is very easy to use: once the sorter and feed system control philosophy is set up correctly, the plant runs with very little
input from the operators,” explains Craig Meadway. TOMRA’s collaborative approach and all-round support was also an important factor in P2E Consulting’s decision to turn to them for this project: “We knew from our experience in previous projects that the support from TOMRA is very good, and with the installation of this machine in a relatively new application, it was excellent. The local team has bent over backwards to help us make this happen.”
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FEATURE
Vehicles and workforce access control systems in mining
M
ining companies understand the threat of having unauthorised visitors on the premises. Mines are dangerous areas and the people who are around the premises ought to be knowledgeable about safety precautionary measures. As such, tools like access control systems are there to ensure that the supervisor in a mine is able to manage the traffic in and out of the mine.
20 years’ experience in supplying and designing products to control Vehicle and Pedestrian Access in and out of Mines.
on tracks. As such, it needed a trackless gate to cover a 10m span and all the gate components had to be designed and manufactured from scratch.
For instance, the company takes pride in designing of a 3m high x 12m long Cantilever Gate -the first of its size in South Africa- for a mine whose trucks are too big for standard sliding gates running
Product Range Another successful endeavour would be the traffic control system BGS was tasked to come up with, for purposes of controlling traffic at a crossroad for a mine in Delmas. 12 x 6m barriers with interlock controllers were supplied and installed on a dirt road.
Furthermore, while securing only authorized people gain access to the mine, it is also pertinent to ensure that the premises restrict access as well. This is achieved with the use of vehicle barriers. These ensure that only those who have a tag or are on the list can get into the premises. Boomgate Systems Boomgate Systems (BGS) has had over
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BGS Turnstiles are also well known in the Mining Industry, used both above and under the ground. Currently, BGS is the only Manufacturer that offers an industry first 15 Year Mechanical Warranty. All Turnstiles come standard with Battery Back Up and can also be supplied with Solar Power. The Turnstiles come in a
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wide range from Single Biometric Man Trapping Turnstiles with Breathalysers to 3-arm, 4-arm, and 5-arm Turnstiles - Single and Double configurations manufactured from MS Powder Coated, Galvanised finishing and brushed S/S 304 or S/S 316 to cover the harsh conditions faced in the mining industry.
The company also does Container Conversions where they install the Turnstile into old shipping containers, creating an instant access control point with security office that can be used to enrol staff and signing in of contractors. The container can be moved from site to site, wherever required.
For ease of movement with the use of forklifts or overhead cranes, BGS also supply Turnstiles on specially designed steel plinths. International Markets BGS products are exported worldwide. The company has an export market as
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FEATURE
far as Germany, where they exported over 2500 Turnstile Mechanisms in the last two years. They also supply the Turnstile Mechanisms to customers who chooses to use BGS’ world class quality mechanism in their own Turnstile.
DOC_I_SRBZZ_AP1_GBa - NTN-SNR © 12/2019 - Photos: NTN-SNR / PEDRO STUDIO PHOTO / SHUTTERSTOCK -
Some of the aftersales services include the upgrading of existing Turnstiles by supplying their customers with a turnstile upgrade kit. BGS also refurbishes and
upgrades old Turnstiles. Other highend security products offered to the Mining Industry include Spike Barriers, Road Blockers, Hydraulic Bollards, Anti-Ram Posts. They also manufacture Bullet Proof and Anti-Bandit Doors and Mantraps Cubicles. BGS High Security Spike Barriers can be seen at most of the shopping malls in SA: Mall Of Africa, Cresta Shopping Centre,
The Glen, Mall of the South, Festival Mall, but to name a few. BGS designs and manufactures our products in house using Robotic Welding Machines, CNC bending, Laser cutting, CNC turning, in most of our products. BGS has 21 years of manufacturing experience in the industry with a proven track record that their products stand the test of time.
ISO SPHERICAL ROLLER BEARING WITH SHIELDS NTN-SNR is launching an unprecedented solution to extend your bearing service life time! A bearing protected by steel shields on both sides, KIZEI® is 100% interchangeable with standard open spherical roller bearings thanks to ISO dimensions. Mounting elements and procedures are identical to that of a standard bearing. This exclusive NTN-SNR product will dramatically reduce your maintenance costs and improve your equipment reliability! ® KIZEI , armoured to face the dirt!
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www.ntn-snr.com
With You
09/01/2020 14:03
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Hosted by
2nd ANNUAL MARRAKECH MINING CONVENTION Hosted by The Ministry of Energy, Mines and Environment, Morocco, Marrakech Mining Convention MMC is an annual strategic three day mining conference and exhibition that brings together the Mining Ministries, Mining & Quarrying Companies, Service Providers, Associations, Geological surveys, Regulatory
The new meeting place for the world’s mining industry
bodies, Investors and Consultants from all over the world for exhibiting, networking, business matchmaking, knowledge sharing and partnering. MMC 2020, scheduled from 29th June to 1st July stands postponed in the wake of Covid-19 Pandemic. New dates will be announced soon
MMC 2019 in Numbers
Palais des Congrès Marrakech, Morocco
Organised By
info@marrakechminingconvention.com www.marrakechminingconvention.com
Tanzania’s significant Legal Reforms have been recognised by the International Monetary Fund
T
anzania’s GDP has increased significantly as a result of the prominent reforms passed by the government across the Mining, Land and Finance sectors. These reforms have had a significant positive impact on keeping inflation at bay and stabilising the exchange rate. The Tanzanian government has similarly been extremely effective at adhering to the tax collection target that has been fulfilled to 96%. The International Monetary Fund rarely recognises developing countries for such significant improvements in the regulatory space and Tanzania has been one of the very few to recently received this level of recognition. The IMF continues to monitor the improvements and is now supporting the country in working on additional economic reforms. Over the past few months Tanzania’s economy has observed increased activity on various fronts, including a significant improvement in exports, public investment and availability of credit for the private sector. However, despite the obvious progress on the economic front, the IMF team leader Enrique Gelbard is convinced that additional tax reforms should be introduced to maintain
the necessary level of economic stability. Discussion to pass another set of reforms has been carried out in consultation with the Tanzanian Minister of Finance and Planning, Hon. Philip Mpango and the governor of the Bank of Tanzania, Professor Florence Luoga as well as additional high-level government decision-makers. According to the IMF, these reforms, along with the well-defined set of polices will be critical for maximising private sector investment into Tanzania.
To complement increased on public investment projects, the government is planning on removing all restrictive regulations to enhance the country’s business climate. The improved availability of funding and lower cost of borrowing should result in much needed positive implications for Tanzania’s mining sector. The country remains determined to follow IMF guidelines and maintain high levels of economic stability to set itself on the path of renewed economic development.
ADVERTISER’S INDEX AGRU...............................................................................................23 Ambra Solutions.............................................................................. 17 Ansultech........................................................................................16 ATLC................................................................................................29 Boomgate Systems............................................................................37 Dafo................................................................................................ 15 Derrick.......................................................................................... OBC DRC-Mining week............................................................................ 33 Endress+Hauser...............................................................................IFC Expert Geophysics............................................................................26
GreenMined....................................................................................IBC JSG Industrial....................................................................................13 Marrakech Mining Convention...........................................................39 NTN.................................................................................................38 Oxylance..........................................................................................30 Redline............................................................................................11 Rokforce..........................................................................................09 Truflo...............................................................................................04 Wurth ..............................................................................................25
FMDZ is a bi-monthly magazine for mining industry incorporating, exploration, oil, power, drilling and other large scale extraction, storage, transport, Market and utilisation of Africa’s Copper Belt wealth and resources. First Mining DRC-ZAMBIA is published 6 times per annum: Jan/Feb, Mar/Apr, May/Jun, Jul/Aug Sept/Oct and Nov/Dec.
TO ADVERTISE CALL: +27 11 044 8986 Email: sales@fmdrc-zambia.com
Affiliate publications: THE JOURNAL FOR PUMP INDUSTRY LEADERS
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for all your
E N V I R O n M E N TA L S O L U T I O N S Let Greenmined Environmental help you with your business debt - to planet earth
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Compliance • Monitoring and Sampling Assistance • Storm Water Management Plans • Waste Water Plans
BIODIVERSITY WINE INITIATIVE APPLICATIONS • Alien Clearing Plans • Ecological Surveys • Waste Water Plans
MINE IMPACT MANAGEMENT
ENVIRONMENTAL IMPACT MANAGEMENT
INTEGRATED PRODUCTION OF WINE
• • Mine Permits and Rights
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• Environmental Compliance Audits • • Social and Labour Plans
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Introducing the SuperStack® Wet Sizing Screen Up to 3X the capacity of the 5-Deck Stack Sizer® Derrick® has once again redefined high capacity, fine particle wet screening with the introduction of the SuperStack®. With 8 decks operating in parallel and a 35% increase in the effective width of each deck, the SuperStack has a demonstrated capacity equivalent to 2½ to 3 times that of its precursor, the 5-Deck Stack Sizer®. All this added capacity comes with only a slight increase in the space required per machine, significantly reducing CAPEX and OPEX for any screening installation. Offering high productivity, low operating and maintenance costs, convenient serviceability and durability, the SuperStack is built to last and backed by a worldwide support team available 24/7.
www.Derrick.com