Challenges in engineering direct interspecies electron transfer for enhanced methanogenesis

G Baek, D Kim, Y Choi, J Cha, C Lee - Renewable and Sustainable Energy …, 2023 - Elsevier
Interspecies electron transfer (IET) between fatty acid-oxidizing bacteria and
hydrogenotrophic methanogens is key to stable and efficient methanogenesis in the …

Enhanced methane production in anaerobic digestion: A critical review on regulation based on electron transfer

XJ Xu, J Yan, QK Yuan, XT Wang, Y Yuan… - Bioresource …, 2022 - Elsevier
Anaerobic digestion (AD) is a potential bioprocess for waste biomass utilization and energy
conservation. Various iron/carbon-based CMs (eg, magnetite, biochar, granular activated …

Impact of hydrogen sulfide on anammox and nitrate/nitrite-dependent anaerobic methane oxidation coupled technologies

X Chen, S Chen, X Chen, Y Tang, WB Nie, L Yang… - Water Research, 2024 - Elsevier
The coupling between anammox and nitrate/nitrite-dependent anaerobic methane oxidation
(n-DAMO) has been considered a sustainable technology for nitrogen removal from …

Role and significance of water and acid washing on biochar for regulating methane production from waste activated sludge

HY **, ZW He, YX Ren, WJ Yang, CC Tang… - Science of the Total …, 2022 - Elsevier
Methane recovered from anaerobic digestion of waste activated sludge (WAS) can be used
as the energy supplement of the wastewater treatment plant, benefiting to its carbon-neutral …

Effects of enzymes on organic matter conversion in anaerobic fermentation of sludge to produce volatile fatty acids

J Wan, L Zhang, B Jia, B Yang, Z Luo, J Yang… - Bioresource …, 2022 - Elsevier
Sludge hydrolysis is a vital step in anaerobic digestion of sludge. This study compared the
efficacy of free versus immobilized enzymes at different concentrations in promoting sludge …

Response of granular anammox process under mainstream conditions to continuous and transient organic loads

H Choi, J Kim, J Park, C Lee - Chemical Engineering Journal, 2023 - Elsevier
Even small fluctuations in the amount of organic matter in wastewater significantly affect the
structure and function of anammox microbial communities under mainstream conditions with …

Progress and Prospects for Applications of Extracellular Electron Transport Mechanism in Environmental Biotechnology

B Kim, G Baek, C Kim, SY Lee, E Yang… - ACS ES&T …, 2024 - ACS Publications
Extracellular electron transport (EET) is a biological process where microorganisms can
donate electrons from the interior of their cells to external electron acceptors or act as …

Insights into microbial metabolic coordination under driving force of different conductive materials-mediated direct interspecies electron transfer during anaerobic …

X Zhou, M Guo, X Fu, D Wang, J Liao, W Xu… - Chemical Engineering …, 2024 - Elsevier
In this study, different carbon/metal-based conductive materials (CMs) were amended in
traditional anaerobic digestion (AD) system with high hydrogen partial pressure (pH 2) to …

Bioconversion of waste-to-resources (BWR-2021): Valorization of industrial and agro-wastes to fuel, feed, fertilizer, and biobased products

KC Surendra, I Angelidaki, SK Khanal - Bioresource Technology, 2022 - Elsevier
The mitigation of greenhouse gas (GHG) emission is one of the major focuses of The
Glasgow Climate Pact, a global agreement that is believed to accelerate climate action …

A review on generation, composition, and valorization of dairy processing sludge: A circular economy-based sustainable approach

J Mohapatra, R Kumar, B Basak, RG Saratale… - Journal of Industrial and …, 2024 - Elsevier
This dairy industry has grown considerably in the last decade to meet the increasing
requirements of the ever-rising human population. Large volumes of solid waste are …