Enhancing sludge methanogenesis with improved redox activity of extracellular polymeric substances by hematite in red mud

J Ye, A Hu, G Ren, M Chen, J Tang, P Zhang, S Zhou… - Water Research, 2018 - Elsevier
Different conductive materials have been employed to stimulate direct interspecies electron
transfer (DIET) during methanogenesis, but few studies have been concerned with the …

Red mud enhances methanogenesis with the simultaneous improvement of hydrolysis-acidification and electrical conductivity

J Ye, A Hu, G Ren, T Zhou, G Zhang, S Zhou - Bioresource technology, 2018 - Elsevier
The role of red mud in the improvement of methanogenesis during sludge anaerobic
digestion was innovatively investigated in this study. The results demonstrated that the …

Role of extracellular polymeric substances in methane production from waste activated sludge induced by conductive materials

HY Jin, ZW He, YX Ren, CC Tang, AJ Zhou… - Science of The Total …, 2022 - Elsevier
Conductive materials have been widely used to establish direct interspecies electron
transfer (DIET) for enhancing methane production potential from anaerobic digestion of …

Magnetite triggering enhanced direct interspecies electron transfer: a scavenger for the blockage of electron transfer in anaerobic digestion of high-solids sewage …

T Wang, D Zhang, L Dai, B Dong… - Environmental science & …, 2018 - ACS Publications
At present, high-solids anaerobic digestion of sewage sludge has drawn great attention due
to the superiority of its small land area footprint and low energy consumption. However, a …

Enhancing anaerobic digestion of kitchen wastes via combining ethanol-type fermentation with magnetite: Potential for stimulating secretion of extracellular polymeric …

Q Yu, Y Yang, M Wang, Y Zhu, C Sun, Y Zhang… - Waste management, 2021 - Elsevier
Magnetite, a common mineral that is abundant in the soils and sediments, has been widely
documented to enhance the anaerobic digestion of organic wastes, whereas the …

Conductive Fe3O4 Nanoparticles Accelerate Syntrophic Methane Production from Butyrate Oxidation in Two Different Lake Sediments

J Zhang, Y Lu - Frontiers in microbiology, 2016 - frontiersin.org
Syntrophic methanogenesis is an essential link in the global carbon cycle and a key
bioprocess for the disposal of organic waste and production of biogas. Recent studies …

Pyrite-enhanced sludge digestion via stimulation of direct interspecies electron transfer between syntrophic propionate-and sulfur-oxidizing bacteria and …

P Jiao, X Zhang, S Qiu, X Zhou, Z Tian, Y Liang… - Chemical Engineering …, 2023 - Elsevier
The supplementation of conductive materials (CMs) is a promising strategy to improve the
methane (CH 4) yield from anaerobic digestion (AD) of sewage sludge. However, most CMs …

Direct interspecies electron transfer (DIET) can be suppressed under ammonia-stressed condition–reevaluate the role of conductive materials

W Yan, M Mukherjee, Y Zhou - Water Research, 2020 - Elsevier
Thermal hydrolysis pretreatment (THP) and anaerobic digestion (AD) integrated (THP-AD)
process is a promising process for sludge management. However, the high ammonia …

A new insight into the strategy for methane production affected by conductive carbon cloth in wetland soil: beneficial to acetoclastic methanogenesis instead of CO2 …

J Li, L Xiao, S Zheng, Y Zhang, M Luo, C Tong… - Science of the total …, 2018 - Elsevier
Conductive materials/minerals can promote direct interspecies electron transfer (DIET)
between syntrophic bacteria and methanogens in defined co-culture systems and artificial …

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 …