Integration of biogas systems into a carbon zero and hydrogen economy: a review

M Farghali, AI Osman, K Umetsu… - Environmental chemistry …, 2022 - Springer
The Ukraine conflict has put critical pressure on gas supplies and increased the price of
fertilisers. As a consequence, biogas has gained remarkable attention as a local source of …

Recent progress towards in-situ biogas upgrading technologies

J Zhao, Y Li, R Dong - Science of The Total Environment, 2021 - Elsevier
Biogas is mainly produced from the anaerobic fermentation of biomass, containing methane
with an extensive range between about 50% and 70%. Higher methane content biogas has …

Integration of two-stage anaerobic digestion process with in situ biogas upgrading

D Yellezuome, X Zhu, X Liu, X Liu, R Liu, Z Wang… - Bioresource …, 2023 - Elsevier
High impurity concentration of biogas limits its wide commercial utilization. Therefore, the
integration of two-stage anaerobic digestion process with in situ biogas upgrading …

Biotechnology to convert carbon dioxide into biogas, bioethanol, bioplastic and succinic acid using algae, bacteria and yeast: a review

S Akash, B Sivaprakash, N Rajamohan… - Environmental Chemistry …, 2023 - Springer
Global warming is partly due to excessive carbon dioxide emissions, calling for methods to
capture carbon dioxide for conversion into value-added materials and fuels. Here we review …

Biogas from anaerobic digestion as an energy vector: Current upgrading development

R Iglesias, R Muñoz, M Polanco, I Díaz, A Susmozas… - Energies, 2021 - mdpi.com
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 …

[HTML][HTML] Effect of pressure on biomethanation process and spatial stratification of microbial communities in trickle bed reactors under decreasing gas retention time

F Ebrahimian, N De Bernardini, P Tsapekos… - Bioresource …, 2022 - Elsevier
The current study investigated the effect of elevating gas pressure on biomethanation in
trickle-bed reactors (TBRs). The increased pressure led to successful biomethanation (CH …

The microbiology of Power-to-X applications

W Logroño, S Kleinsteuber… - FEMS microbiology …, 2023 - academic.oup.com
Abstract Power-to-X (P2X) technologies will play a more important role in the conversion of
electric power to storable energy carriers, commodity chemicals and even food and feed …

Meta-analysis of biogas upgrading to renewable natural gas through biological CO2 conversion

Y Rao, K Chibwe, D Mantilla-Calderon, F Ling… - Journal of Cleaner …, 2023 - Elsevier
Biogas upgrading through CO 2 conversion by hydrogenotrophic methanogenesis is
receiving an increasing attention worldwide because of the demand for renewable natural …

Insights of enhancing methane production under high-solid anaerobic digestion of wheat straw by calcium peroxide pretreatment and zero valent iron addition

W Tian, J Li, L Zhu, W Li, L He, L Gu, R Deng, D Shi… - Renewable Energy, 2021 - Elsevier
Recent investigations verified CaO 2 accelerated hydrolysis of lignocellulose, but its residue
caused a harmful oxidizing environment. This study therefore proposed the combined CaO 2 …

Enrichment of the hydrogenotrophic methanogens for, in-situ biogas up-gradation by recirculation of gases and supply of hydrogen in methanogenic reactor

A Khan, S Akbar, V Okonkwo, C Smith, S Khan… - Bioresource …, 2022 - Elsevier
During in situ biogas up-gradation by supplying hydrogen from an external source and
enrichment of hydrogenotrophic methanogens, high pressure of H 2 negatively affects …