The role of additives on anaerobic digestion: a review

MS Romero-Güiza, J Vila, J Mata-Alvarez… - … and Sustainable Energy …, 2016 - Elsevier
Anaerobic digestion is a worldwide technology for the treatment of organic waste streams
with clear environmental benefits including generation of methane as renewable energy …

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 …

Comparative metagenomics of biogas-producing microbial communities from production-scale biogas plants operating under wet or dry fermentation conditions

Y Stolze, M Zakrzewski, I Maus, F Eikmeyer… - Biotechnology for …, 2015 - Springer
Background Decomposition of biomass for biogas production can be practiced under wet
and dry fermentation conditions. In contrast to the dry fermentation technology, wet …

Microbial diversity and dynamicity of biogas reactors due to radical changes of feedstock composition

D De Francisci, PG Kougias, L Treu, S Campanaro… - Bioresource …, 2015 - Elsevier
The anaerobic digestion process is often inhibited by alteration of substrates and/or organic
overload. This study aimed to elucidate changes of microbial ecology in biogas reactors …

Biogas production from protein-rich biomass: fed-batch anaerobic fermentation of casein and of pig blood and associated changes in microbial community …

E Kovács, R Wirth, G Maróti, Z Bagi, G Rákhely… - PloS one, 2013 - journals.plos.org
It is generally accepted as a fact in the biogas technology that protein-rich biomass
substrates should be avoided due to inevitable process inhibition. Substrate compositions …

Application of additives for anaerobic digestion intensification: A comprehensive review on improving biogas production and methane yield

A Elsayed, FL Kakar, A Marcus, A AlSayed, MS Zagloul… - Applied Energy, 2025 - Elsevier
Anaerobic digestion (AD) is a key process in wastewater treatment since it breaks down the
complex organic matter into methane-rich biogas through multiple steps, where different …

Conversion of H2 and CO2 to CH4 and acetate in fed-batch biogas reactors by mixed biogas community: a novel route for the power-to-gas concept

M Szuhaj, N Ács, R Tengölics, A Bodor… - Biotechnology for …, 2016 - Springer
Background Applications of the power-to-gas principle for the handling of surplus renewable
electricity have been proposed. The feasibility of using hydrogenotrophic methanogens as …

Microbial trophic interactions and mcrA gene expression in monitoring of anaerobic digesters

A Alvarado, LE Montañez-Hernández… - Frontiers in …, 2014 - frontiersin.org
Anaerobic digestion (AD) is a biological process where different trophic groups of
microorganisms break down biodegradable organic materials in the absence of oxygen. A …

Enhancing and upgrading biogas and biomethane production in anaerobic digestion: a comprehensive review

OA Aworanti, AO Ajani, OO Agbede… - Frontiers in Energy …, 2023 - frontiersin.org
Anaerobic digestion (AD) processes can face operational challenges or flaws such as
substrate structure and characteristics complexity, process complexity, low productivity …

Novel bioaugmentation process to enhance anaerobic digestion of municipal sewage sludge

A Hamze, BS Zakaria, MS Zaghloul, A Ganatsios… - Renewable Energy, 2024 - Elsevier
The imperative shift to a circular economy, driven by population growth, urbanization, and
economic development, highlights the importance of recovering resources from waste …