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Review

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

1
Department of Energy, Research Centre for Energy, Environment and Technology (CIEMAT), 28040 Madrid, Spain
2
Institute of Sustainable Processes, University of Valladolid, 47011 Valladolid, Spain
3
Department of Environment, Research Centre for Energy, Environment and Technology (CIEMAT), 28040 Madrid, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Byong-Hun Jeon
Energies 2021, 14(10), 2742; https://doi.org/10.3390/en14102742
Received: 29 March 2021 / Revised: 23 April 2021 / Accepted: 6 May 2021 / Published: 11 May 2021
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. View Full-Text
Keywords: anaerobic digestion; biogas upgrading; biological methanation; CO2 utilization; regulation; advanced biofuels anaerobic digestion; biogas upgrading; biological methanation; CO2 utilization; regulation; advanced biofuels
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MDPI and ACS Style

Iglesias, R.; Muñoz, R.; Polanco, M.; Díaz, I.; Susmozas, A.; Moreno, A.D.; Guirado, M.; Carreras, N.; Ballesteros, M. Biogas from Anaerobic Digestion as an Energy Vector: Current Upgrading Development. Energies 2021, 14, 2742. https://doi.org/10.3390/en14102742

AMA Style

Iglesias R, Muñoz R, Polanco M, Díaz I, Susmozas A, Moreno AD, Guirado M, Carreras N, Ballesteros M. Biogas from Anaerobic Digestion as an Energy Vector: Current Upgrading Development. Energies. 2021; 14(10):2742. https://doi.org/10.3390/en14102742

Chicago/Turabian Style

Iglesias, Raquel, Raúl Muñoz, María Polanco, Israel Díaz, Ana Susmozas, Antonio D. Moreno, María Guirado, Nely Carreras, and Mercedes Ballesteros. 2021. "Biogas from Anaerobic Digestion as an Energy Vector: Current Upgrading Development" Energies 14, no. 10: 2742. https://doi.org/10.3390/en14102742

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