Overview

Emerging Technologies and Biological Systems for Biogas Upgrading systematically summarizes the fundamental principles and the state-of-the-art of biogas cleaning and upgrading technologies, with special emphasis on biological processes for carbon dioxide (CO2), hydrogen sulfide (H2S), siloxane, and hydrocarbon removal. After analyzing the global scenario of biogas production, upgrading and utilization, this book discusses the integration of methanation processes to power-to-gas systems for methane (CH4) production and physiochemical upgrading technologies, such as chemical absorption, water scrubbing, pressure swing adsorption and the use of membranes. It then explores more recent and sustainable upgrading technologies, such as photosynthetic processes using algae, hydrogen-mediated microbial techniques, electrochemical, bioelectrochemical, and cryogenic approaches. H2S removal with biofilters is also covered, as well as removal of siloxanes through polymerization, peroxidation, biological degradation and gas-liquid absorption. The authors also thoroughly consider issues of mass transfer limitation in biomethanation from waste gas, biogas upgrading and life cycle assessment of upgrading technologies, techno-economic aspects, challenges for upscaling, and future trends. Providing specific information on biogas upgrading technology, and focusing on the most recent developments, Emerging Technologies and Biological Systems for Biogas Upgrading is a unique resource for researchers, engineers, and graduate students in the field of biogas production and utilization, including waste-to-energy and power-to-gas. It is also useful for entrepreneurs, consultants, and decision-makers in governmental agencies in the fields of sustainable energy, environmental protection, greenhouse gas emissions and climate change, and strategic planning.

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9780128228081

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Nabin Aryal is a Postdoctoral Research fellow at Aarhus University, Denmark working on process design and optimization of biogas upgrading, syngas methanation, and microbial electrosynthesis. He has extensive research experience in environmental technology development from Denmark, Belgium, Czech Republic, Nepal, and India. After a Master's Degree in Environmental Technology and Engineering from Erasmus Mundus fellowship, he worked at the Flemish Institute for Technological Research (VITO), Belgium, to develop (bio) electrochemical technology for CO2 conversion and microbial electrosynthesis. He received his PhD from the Technical University of Denmark on Microbial Electrosynthesis to valorize carbon dioxide. Lars Ditlev Morck Ottosen is Professor in Environmental Biotechnology with focus on energy and environmental technologies. He is also Head of the Biological and Chemical Engineering Department at Aarhus University, Denmark. He has extended R&D experience from more than a decade in the industry, and as university professor in projects that combine research and industrial technology development. Prof. Ottosen has more than 100 publications. In addition to technology R&D, He is dedicated to education, and played a key role in developing new BSc and MSc educational program in Biological and Chemical Engineering at Aarhus University. Michael Vedel Wegener Kofoed is Project Director and Research Group Leader of Microbial Conversion Technologies in the Biological and Chemical Engineering Section at the Department of Engineering of Aarhus University, Denmark. With expertise in bioengineering and industrial microbiology for solving societal and industrial challenges, his current focus is methanation for producing the storable energy carrier, methane, from renewable electricity. Deepak Pant PhD is a Senior Scientist at the Flemish Institute for Technological Research (VITO), Belgium, currently working on electrosynthesis and resource recovery, specifically, the design and optimization of (bio)electrochemical systems for CO2 conversion and microbial electrosynthesis. He has 5 books (published by Elsevier, Springer and CRC Press), 6 Patent, 138 peer-reviewed publications with >10500 citations (h-index 59) and 35 book chapters to his credit. He is a member of several scientific communities including ISMET, RSC, ISE, BES, BRSI, IFIBiop and AMI. He is the Editor of Elsevier journal 'Bioresource Technology Reports' and serves as Editorial board member for the Journals: 'Bioresource Technology', 'ACS Sustainable Chemistry & Engineering', 'iScience', 'Biofuel Research Journal', 'World Journal of Microbiology & Biotechnology' and 'Molecules'.

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