Biogas from Anaerobic Digestion as an Energy Vector: Current Upgrading Development

Raquel Iglesias, Raúl Muñoz, María Polanco, Israel Díaz, Ana Susmozas, Antonio D. Moreno, María Guirado, Nely Carreras and Mercedes Ballesteros
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Raquel Iglesias: Department of Energy, Research Centre for Energy, Environment and Technology (CIEMAT), 28040 Madrid, Spain
Raúl Muñoz: Institute of Sustainable Processes, University of Valladolid, 47011 Valladolid, Spain
María Polanco: Institute of Sustainable Processes, University of Valladolid, 47011 Valladolid, Spain
Israel Díaz: Institute of Sustainable Processes, University of Valladolid, 47011 Valladolid, Spain
Ana Susmozas: Department of Energy, Research Centre for Energy, Environment and Technology (CIEMAT), 28040 Madrid, Spain
Antonio D. Moreno: Department of Energy, Research Centre for Energy, Environment and Technology (CIEMAT), 28040 Madrid, Spain
María Guirado: Department of Environment, Research Centre for Energy, Environment and Technology (CIEMAT), 28040 Madrid, Spain
Nely Carreras: Department of Environment, Research Centre for Energy, Environment and Technology (CIEMAT), 28040 Madrid, Spain
Mercedes Ballesteros: Department of Energy, Research Centre for Energy, Environment and Technology (CIEMAT), 28040 Madrid, Spain

Energies, 2021, vol. 14, issue 10, 1-30

Abstract: The present work reviews the role of biogas as advanced biofuel in the renewable energy system, summarizing the main raw materials used for biogas production and the most common technologies for biogas upgrading and delving into emerging biological methanation processes. In addition, it provides a description of current European legislative framework and the potential biomethane business models as well as the main biogas production issues to be addressed to fully deploy these upgrading technologies. Biomethane could be competitive due to negative or zero waste feedstock prices, and competitive to fossil fuels in the transport sector and power generation if upgrading technologies become cheaper and environmentally sustainable.

Keywords: anaerobic digestion; biogas upgrading; biological methanation; CO 2 utilization; regulation; advanced biofuels (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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