Biogas upgrading and utilization: Current status and perspectives

I Angelidaki, L Treu, P Tsapekos, G Luo… - Biotechnology …, 2018 - Elsevier
Biogas production is an established sustainable process for simultaneous generation of
renewable energy and treatment of organic wastes. The increasing interest of utilizing …

Current status of biogas upgrading for direct biomethane use: A review

MU Khan, JTE Lee, MA Bashir, PD Dissanayake… - … and Sustainable Energy …, 2021 - Elsevier
Anaerobic digestion produces biogas, a mixture of CH 4 and CO 2, where CH 4 is a low
cost, environmentally friendly, and renewable energy source. The application of biogas …

Biogas upgrading, economy and utilization: a review

SF Ahmed, M Mofijur, K Tarannum… - Environmental …, 2021 - Springer
Biogas production is rising in the context of fossil fuel decline and the future circular
economy, yet raw biogas requires purification steps before use. Here, we review biogas …

Bioconversion of carbon dioxide to methane using hydrogen and hydrogenotrophic methanogens

J Zabranska, D Pokorna - Biotechnology advances, 2018 - Elsevier
Biogas produced from organic wastes contains energetically usable methane and
unavoidable amount of carbon dioxide. The exploitation of whole biogas energy is locally …

Ex-situ biogas upgrading and enhancement in different reactor systems

PG Kougias, L Treu, DP Benavente, K Boe… - Bioresource …, 2017 - Elsevier
Biogas upgrading is envisioned as a key process for clean energy production. The current
study evaluates the efficiency of different reactor configurations for ex-situ biogas upgrading …

Biogas upgrading via hydrogenotrophic methanogenesis in two-stage continuous stirred tank reactors at mesophilic and thermophilic conditions

I Bassani, PG Kougias, L Treu… - Environmental science & …, 2015 - ACS Publications
This study proposes an innovative setup composed by two stage reactors to achieve biogas
upgrading coupling the CO2 in the biogas with external H2 and subsequent conversion into …

Enhancing methane production in anaerobic digestion through hydrogen assisted pathways–A state-of-the-art review

TC D'Silva, A Isha, R Chandra, VK Vijay… - … and Sustainable Energy …, 2021 - Elsevier
Anaerobic digestion has been widely accepted for energy and resource recovery from
biomass residues. However, the produced biogas from the process mainly composed 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 …

Upgrading biogas produced in anaerobic digestion: Biological removal and bioconversion of CO2 in biogas

L Wu, W Wei, L Song, M Woźniak-Karczewska… - … and Sustainable Energy …, 2021 - Elsevier
Biogas produced in anaerobic digestion contains energetically useable methane (CH 4) and
unavoidable unwanted carbon dioxide (CO 2). To increase the calorific value of this …

An overview of microbial biogas enrichment

N Aryal, T Kvist, F Ammam, D Pant, LDM Ottosen - Bioresource technology, 2018 - Elsevier
Biogas upgrading technologies have received widespread attention recently and are
researched extensively. Microbial biogas upgrading (biomethanation) relies on the microbial …