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 …

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 …

Technologies for biogas upgrading to biomethane: A review

AI Adnan, MY Ong, S Nomanbhay, KW Chew, PL Show - Bioengineering, 2019 - mdpi.com
The environmental impacts and high long-term costs of poor waste disposal have pushed
the industry to realize the potential of turning this problem into an economic and sustainable …

Biogas as a renewable energy fuel–A review of biogas upgrading, utilisation and storage

IU Khan, MHD Othman, H Hashim, T Matsuura… - Energy conversion and …, 2017 - Elsevier
Biogas upgrading is a widely studied and discussed topic and its utilisation as a natural gas
substitute has gained a significant attention in recent years. The production of biomethane …

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 …

Biomethane production from anaerobic co-digestion at wastewater treatment plants: A critical review on development and innovations in biogas upgrading techniques

LN Nguyen, J Kumar, MT Vu, JAH Mohammed… - Science of The Total …, 2021 - Elsevier
Anaerobic co-digestion (AcoD) can utilise spare digestion capacity at existing wastewater
treatment plants (WWTP) to generate surplus biogas beyond the plant's internal energy …

Life cycle assessment of food waste to energy and resources: Centralized and decentralized anaerobic digestion with different downstream biogas utilization

H Tian, X Wang, EY Lim, JTE Lee, AWL Ee… - … and Sustainable Energy …, 2021 - Elsevier
Anaerobic digestion (AD) has been identified as an efficient food waste disposal technology
by many researchers. However, a holistic environmental investigation of different AD …

In situ biogas upgrading by CO2-to-CH4 bioconversion

S Fu, I Angelidaki, Y Zhang - Trends in Biotechnology, 2021 - cell.com
Biogas produced by anaerobic digestion is an important renewable energy carrier.
Nevertheless, the high CO 2 content in biogas limits its utilization to mainly heat and …

A comprehensive review on recent biological innovations to improve biogas production, Part 2: Mainstream and downstream strategies

M Tabatabaei, M Aghbashlo, E Valijanian… - Renewable Energy, 2020 - Elsevier
This review is aimed at detailing and discussing biological innovations and optimizations
including upstream, mainstream, and downstream approaches in biogas production …

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 …