Emerging trends in chemical engineering (vol1, issue2) by STM Journals Publication

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Emerging Trends in Chemical Engineering

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Abhijit Mondal Assistant Professor, Chemical Engineering Dept. National Institute of Technology Agartala India.

Ajay Bansal Associate Professor Head, Department of Chemical Engineering National Institute of Technology, Jhallandhar, Punjab, India.

Ajaya Kumar Singh Associate Professor Department of Chemistry Government V.Y.T.PG.Autonomous College Durg, Chhattisgarh, India.

Alirio Rodrigues Emeritus Professor LSRE-Laboratory of Separation and Reaction Engineering, Departamento de Engenharia QuĂmica, Faculdade de Engenharia da Universidade do Porto, Portugal.

Animes Kumar Golder Department of Chemical Engineering Indian Institute of Technology Guwahati Assam-781039, India.

Anirbid Sircar Director School of Petroleum Technology Pandit Deendayal Petroleum University Raisan, India.

Ankur Gaur Assistant Professor Department of Chemical Engineering Motilal Nehru National Institute of Technology Allahabad, India.

Antonio Gil Professor of Chemical Engineering Department of Applied Chemistry Universidad Publica de Navarra, Spain.

Bharat Modhera Assistant Professor Chemical Engineering Maulana Azad National Institute of Technology, Bhopal, India.

Bibhab Kumar Lodh Assistant Professor Department of Chemical Engineering National Institute Technology, Agartala, India.

Chitturi Venkateswara Rao Research Scientist University of Puerto Rico, USA.

CM Narayanan Professor of Chemical Engineering National Institute of Technology Durgapur, India.

Gomathi Priya Ponnaiah Alagappa college of technology Department of chemical engineering Anna University Chennai, India.

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Madhu Agarwal Assistant Professor Chemical Engineering Malviya National Institute of Technology Jaipur,India.

Emerging Trends in Chemical Engineering

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N Selvaraju Assistant Professor, Department of Chemical Engineering, National Institute of Technology Calicut India.

Nagamalleswara Rao Kanidarapu Assistant Professor Deptartment of Chemical Engineering Bapatla Engineering College, India.

Niraj S Topare Assistant Professor Chemical Engineering Dept.of Petrochemical and Petroleum Engineering Maharashtra Institute of Technology, India.

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STM JOURNALS

I take the privilege to present the print version for the [Volume 1 Issue (2)] of Trends in Chemical Engineering. The intension of Emerging Trends in Chemical Engineering is to create an atmosphere that stimulates creativeness, research and growth in the area of Chemical Engineering. The development and growth of the mankind is the consequence of brilliant Research done by eminent Scientists and Engineers in every field. ETCE provides an outlet for Research findings and reviews in areas of Chemical Engineering found to be relevant for National and International recent developments & research initiative. The aim and scope of the Journal is to provide an academic medium and an important reference for the advancement and dissemination of Research results that support high level learning, teaching and research in the domain of Chemical Engineering. Finally, I would like to thank Editors and Authors for their continued support and invaluable contributions and suggestions in the form of authoring. I express my sincere gratitude and thanks to our Editorial board for providing write ups, reviewing and providing constructive comments for the advancement of the journals. With their continuous support and co-operation, we have been able to publish quality Research/Reviews findings for our customers base. I hope you will enjoy reading this issue and we welcome your feedback on any aspect of the Journal.

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Emerging Trends in Chemical Engineering

Contents

1. Continuous Column Study of Chromium (VI) Adsorption by Ion Exchange Resin Ajay Kumar Konga, Gomathi Priya Ponnaiah

2. Review of Green Chemical Technologies for Sustainable Developments in Chemical Process Industries Kiran D. Patil

3. Design and Energy Analysis of Butyl Acetate Plant using Aspen HYSYS and Aspen Energy Analyzer K. Nagamalleswara Rao, G. Koteswara Reddy, P. Rajendra Prasad, V. Sujatha

4. Design and Control of Acrolein Production Process K. Nagamalleswara Rao, G. Koteswara Reddy, M.VenkataRatnam, P. Rajendra Prasad, V. Sujatha

5. Removal and Recovery of Zn (II) from Electroplating Rinse Waters Using Cation-Exchange Resins in a Packed Column P. Gomathi Priya

Emerging Trends in Chemical Engineering ISSN: 2349-4786(online) Volume 1, Issue 2 www.stmjournals.com

Continuous Column Study of Chromium (VI) Adsorption by Ion Exchange Resin Ajay Kumar Konga, Gomathi Priya Ponnaiah* Department of Chemical Engineering, A. C. College of Technology, Anna University, Chennai-600025, Tamil Nadu, India Abstract The Indion GS300 anion exchange resin was trialed for its ability to remove chromium (VI) from synthetic wastewater by continuous column experiments. The ability of Indion GS300 to adsorb chromium (VI) in a fixed-bed column was analyzed. The effects of operating parameters such as flow rate and bed depth on the sorption characteristics of Indion GS300 were investigated. The total adsorbed quantities, equilibrium characteristics were related to the effluent volumes determined by evaluating the breakthrough curves obtained at different flow rates (11–15 ml/min) and different bed length (3–15 cm) for adsorbent. The data confirmed that the total amount of sorbed chromium (VI) and its equilibrium uptake capacity increased with decreasing flow rate and increasing bed length.

Keywords: Chromium (VI) adsorption, Indion GS300, fixed bed column, response surface methodology, CCD

Emerging Trends in Chemical Engineering ISSN: 2349-4786(online) Volume 1, Issue 2 www.stmjournals.com

Review of Green Chemical Technologies for Sustainable Developments in Chemical Process Industries Kiran D. Patil* Department of Petroleum and Petrochemical Engineering, Maharashtra Institute of Technology, Paud Road, Kothrud, Pune-411 038, Maharashtra, India Abstract The environmental and climatic issues facing across the globe are widely recognized as daunting problems. Therefore, green technologies and ecological sustainable development is vital as the quality of life is declining. We have had major progress in technology causing depletion of natural life sustaining resources, especially clean air and water. These problems are causing substantial environmental, economic and social impairment on a worldwide scale. Sustainable development implies that renewable resources should be used wherever possible and that nonrenewable resources should be husbanded (e.g., reduced and recycled) to extend their viability for generations to come. The paper reviews the trend towards sustainability and green technologies in the chemical process industry (CPI). A broad review of state-of-the-art green technologies in the understanding and application of sustainability with few case studies highlighting the economic benefits of adopting green processes from a chemical engineering viewpoint is addressed. Green technologies increasingly uses renewable resources; reduce wastes, pollutants, emissions; recover, reuse and recycle; reduce the pressure on natural resources and restore the balance of the ecosystem and biosphere and ultimately help in providing "ecologically sustainable development". These technologies are, therefore, feasible, cost-effective, environmentally advanced and most appropriate to the climatic, economical, geographical, ecological and social conditions of the country. This aim can only be achieved by developing new environmental friendly, safe and non-toxic materials and their based innovative technologies. Therefore CPI must encourage sustainable development by investing in green technologies and ensure increased adherence to safety, health and environmental standards.

Keywords: Green technologies, sustainable development, environmental, CPI, renewable resource

Emerging Trends in Chemical Engineering ISSN: 2349-4786(online) Volume 1, Issue 2 www.stmjournals.com

Design and Energy Analysis of Butyl Acetate Plant using Aspen HYSYS and Aspen Energy Analyzer K. Nagamalleswara Rao1, G. Koteswara Reddy1, P. Rajendra Prasad2, V. Sujatha2 1

Department of Chemical Engineering, Bapatla Engineering College (Autonomous), Andhra Pradesh, India 2 Department of Chemical Engineering, AU College of Engineering, Andhra University, Vizag, India

Abstract This paper discusses the design of Butyl acetate production process by using Aspen Hysys. Heat integration is performed for the entire designed plant using Aspen Energy Analyzer. The proposed design consists of a mixer, continuous stirred tank reactor and two distillation columns. Methyl acetate reacts with butyl alcohol and gives the butyl acetate, methanol. The paper is divided in to three parts. In the first part, the entire process plant developed for steady state simulations. Butyl acetate product purity obtained is 95.23 mol%. In the second part dynamic simulations are performed with plantwide control structure developed by providing decentralized controllers for the entire plant. In the third part heat integrations are performed by using Aspen Energy Analyzer. Hot oil, medium pressure (MP) steam, low pressure (LP) steam and air as hot and cold utilities was proposed to exchange heat with the process streams. The heat exchange was integrated into an existing heat exchanger network (HEN), and the integration was analyzed using pinch analysis. After analysis using retrofit studies an alternative HEN is proposed to save the energy. The new retrofit HEN is achieved by adding a new heat exchanger and the payback period reported is 0.5956 years which is less than one year.

Keywords: Aspen HYSYS, Steady state simulations, Aspen energy analyzer, Plantwide control, Pinch analysis, Heat exchanger network (HEN)

Emerging Trends in Chemical Engineering ISSN: 2349-4786(online) Volume 1, Issue 2 www.stmjournals.com

Design and Control of Acrolein Production Process K. Nagamalleswara Rao1, G. Koteswara Reddy1, M.VenkataRatnam1, P. Rajendra Prasad2, V. Sujatha2 1

Department of Chemical Engineering, Basalt Engineering College (Autonomous), Andhra Pradesh, India 2 Department of Chemical Engineering, AU College of Engineering, Andhra University, Vizag, India

Abstract In this study, the design and control of acrolein production plant has been investigated. The proposed design consists of a reactor and two distillation columns. Propylene reacts with oxygen and produces acrolein, acrylic acid, carbon dioxide and water. Plant wide operability and control of the entire acrolein production plant with decentralized controllers are explained. Tray temperature control loop and composition control loop are designed to infer final product purity. From the results of dynamic simulation, the proposed control strategy performs very well in rejecting various disturbances while maintaining the acrolein product purity with a settling time of less than 4 hours. The settling times of tops and bottoms of the distillation column, pressure controller is reported as 3.11 hours and 1.32 hours, respectively.

Keywords: dynamic simulation, plant wide operability, temperature control loop

Emerging Trends in Chemical Engineering ISSN: 2349-4786(online) Volume 1, Issue 2 www.stmjournals.com

Removal and Recovery of Zn (II) from Electroplating Rinse Waters Using Cation-Exchange Resins in a Packed Column P. Gomathi Priya* Department of Chemical Engineering, A.C. College of Technology, Anna University, Chennai- 600 025 Tamilnadu, India Abstract In the present study, adsorption of Zn (II) ion from rinse water of electroplating Zinc has been attempted by Indion 225 and Dueolite C20 cation exchange resins through batch and column mode. Based on isotherm analysis more efficient adsorbent is chosen for column mode adsorption studies. Indion 225 and Dueolite C20 cation exchange resins showed a remarkable increase in sorption capacity as 49.3mg/g and 13.9mg/g for Zn (II) ions respectively in static mode adsorption studies and latter was chosen for column studies. To achieve the ultimate objective of scaling up and designing of adsorption system at the pilot plant level for recovery of Zn(II) and recycle of water for rinsing an attempt has also been made to model the data generated from column studies using the empirical relationship based on Bohart–Adams Model approach.

Keywords: Adsorption, ion exchange resins, Bohart–Adams Model, regeneration