Syntrophy mechanism, microbial population, and process optimization for volatile fatty acids metabolism in anaerobic digestion

Y Zhang, C Li, Z Yuan, R Wang, I Angelidaki… - Chemical Engineering …, 2023 - Elsevier
The low efficiency and stability of anaerobic digestion (AD) has always hindered its wide
application. The accumulation of volatile fatty acids (VFAs) cause acidification and inhibition …

Syntrophy goes electric: direct interspecies electron transfer

DR Lovley - Annual review of microbiology, 2017 - annualreviews.org
Direct interspecies electron transfer (DIET) has biogeochemical significance, and practical
applications that rely on DIET or DIET-based aspects of microbial physiology are growing …

A novel green composite conductive material enhancing anaerobic digestion of waste activated sludge via improving electron transfer and metabolic activity

H Liu, Y Xu, L Li, S Yuan, H Geng, Y Tang, X Dai - Water Research, 2022 - Elsevier
Anaerobic digestion (AD) of waste activated sludge (WAS) is usually limited by the low
generation efficiency of methane. The addition of composite conductive materials (CMs) is a …

Methane production and conductive materials: a critical review

G Martins, AF Salvador, L Pereira… - Environmental science & …, 2018 - ACS Publications
Conductive materials (CM) have been extensively reported to enhance methane production
in anaerobic digestion processes. The occurrence of direct interspecies electron transfer …

Co-digestion of food waste and sewage sludge for methane production: Current status and perspective

S Mehariya, AK Patel, PK Obulisamy… - Bioresource …, 2018 - Elsevier
Food waste (FW) is a valuable resource which requires sustainable management avenues
to reduce the hazardous environmental impacts and add-value for better economy …

Importance of hydrogenotrophic, aceticlastic and methylotrophic methanogenesis for methane production in terrestrial, aquatic and other anoxic environments: a mini …

R Conrad - Pedosphere, 2020 - Elsevier
Microbial methanogenesis is a major source of the greenhouse gas methane (CH 4). It is the
final step in the anaerobic degradation of organic matter when inorganic electron acceptors …

Accelerating anaerobic digestion for methane production: Potential role of direct interspecies electron transfer

Z Wang, T Wang, B Si, J Watson, Y Zhang - Renewable and Sustainable …, 2021 - Elsevier
Anaerobic digestion is a commercial technology utilized to produce bioenergy from waste
streams. However, anaerobic digestion suffers from inefficient interspecies electron transfer …

A new model for electron flow during anaerobic digestion: direct interspecies electron transfer to Methanosaeta for the reduction of carbon dioxide to methane

AE Rotaru, PM Shrestha, F Liu, M Shrestha… - Energy & …, 2014 - pubs.rsc.org
Anaerobic conversion of organic wastes and biomass to methane is an important bioenergy
strategy, which depends on poorly understood mechanisms of interspecies electron transfer …

Direct interspecies electron transfer between Geobacter metallireducens and Methanosarcina barkeri

AE Rotaru, PM Shrestha, F Liu… - Applied and …, 2014 - Am Soc Microbiol
Direct interspecies electron transfer (DIET) is potentially an effective form of syntrophy in
methanogenic communities, but little is known about the diversity of methanogens capable …

Role and potential of direct interspecies electron transfer in anaerobic digestion

G Baek, J Kim, J Kim, C Lee - Energies, 2018 - mdpi.com
Anaerobic digestion (AD) is an effective biological treatment for stabilizing organic
compounds in waste/wastewater and in simultaneously producing biogas. However, it is …