Emerging Technologies and Biological Systems for Biogas Upgrading

Table of Contents

Part I: Introduction1. Status of biogas production, biogas upgrading: A global Scenario

Part II: Physiochemical upgrading systems 2. Chemical Absorption amine absorption/stripping technology for biogas upgrading3. Water scrubber for biogas upgrading developments and innovations4. Factor affecting CO2 and CH4 separation during biogas upgrading in a water scrubbing process5. Recent development on pressure swing adsorption for biomethane production6. Membrane based technology for methane separation from biogas7. Cryogenic techniques an innovative approach for biogas upgrading8. Power-to-gas for methanation9. Electrochemical approach for biogas upgrading10. Siloxanes removal from biogas and emerging biological techniques

Part III: Biological upgrading systems 11. Hydrogen sulfide removal for biogas upgrading and emerging bioprocess (H2S) 12. Biological upgrading of biogas through CO2 conversion to CH413. Bioelectrochemical system of biogas upgrading and methane enrichment14. Photosynthetic biogas upgrading: an attractive biological technology for biogas upgrading

Part IV: Policy implications for biogas upgrading 15. Biogas upgrading and life cycle assessment of different biogas upgrading technologies16. Anaerobic digestion, techno-economic implications and governmental policies for the promotion of biomethantion technologies17. Large scale biogas upgrading plants: Future prospective and technical challenges

Authors

Nabin Aryal Faculty of Technology, Natural Sciences and Maritime Sciences, Department of Process, Energy and Environmental Technology, Campus Porsgrunn, Norway. Nabin Aryal is an Associate Professor at the University of South-Eastern Norway (USN), Norway. He received MSc in Environmental Technology and Engineering from Ghent University, Belgium, with an Erasmus Mundus fellowship from European Union and then a PhD. from the Technical University of Denmark (DTU) in Environmental Biotechnology with financial support from Novo Nordisk Foundation, Denmark. Before joining USN, Dr Aryal engaged in joint industrial postdoctoral research at Aarhus University and the Danish Gas Technology Center, Denmark. He has more than a decade of work experience from Norway, Denmark, Belgium, the Czech Republic, India, and Nepal. His current research focuses on microbe-material interaction, biofilm-based bioprocess development, anaerobic technology, biogas upgrading, and carbon dioxide utilization. He has co-authored over 40 scientific publications and edited one book on biogas upgrading that received h-index 15 (>1100 citations; Google Scholar). Lars Ditlev Morck Ottosen Associate Professor and Head of Biological and Chemical Engineering Section, Department of Engineering, Aarhus University, Denmark. Lars Ditlev M�rck 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 Project Director and Research Group Leader of Microbial Conversion Technologies, Biological and Chemical Engineering Section, Department of Engineering, Aarhus University, Denmark. 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 Separation & Conversion Technology, Flemish Institute for Technological Research (VITO), Boeretang 200, Mol 2400, Belgium. Deepak Pant is a Senior Scientist at the Flemish Institute for Technological Research (VITO), Belgium, leading the research linked to electrochemical and bioelectrochemical conversion systems with a focus on CO2 conversion in recent years. He has co-authored 194 publications in peer-reviewed journals (13 of which are "highly cited� on Web of Science), 40 book chapters, 6 patents and has edited 6 books on topics as Microbial electrochemistry, LCA, Bioeconomy and Applied Biotechnology. Current h-index is 75 (>16800 citations; Google Scholar). He was recently awarded the Highly Cited Researcher 2022 from Clarivate for multiple highly cited papers in last decade. He is a member of several scientific communities including ISMET, ISE, BES, BRSI, IFIBiop and AMI and was made a fellow of the Biotechnology Research Society of India (BRSI) in 2018 and Royal Society of Chemistry (RSC) in 2021.He is a member of the editorial board of 10 journals, Editor for 'Bioresource Technology Reports' (Elsevier) and acts as a peer reviewer for numerous journals. He has participated/participates in >25 projects of which 14 are European projects (FP7/H2020/Horizon Europe) on CO2 conversion, electrode development and resource recovery. He has a wide international network of active collaboration, among them from several European ongoing projects as coordinator, work package leader or partner (E2C, PERFORM, Bac-To-Fuel, VIVALDI, CLUE, CATCHY, ECOMATES, BeHyFe). Dr. Pant supervised 7 researchers in their postdoc position (of which 2 were Marie Curie Fellows), supervised/supervising 8 researchers towards their PhD, supervised 18 master students for their thesis and 6 bachelor students.