Current advances and challenges for direct interspecies electron transfer in anaerobic digestion of waste activated sludge

HY Jin, ZW He, YX Ren, CC Tang, AJ Zhou… - Chemical Engineering …, 2022 - Elsevier
To realize energy self-sufficiency demand is a key component of carbon–neutral goal of
wastewater treatment plants (WWTPs). Waste activated sludge (WAS), as the by-product of …

Integrating anaerobic digestion with microbial electrolysis cell for performance enhancement: A review

W Wang, DJ Lee, Z Lei - Bioresource Technology, 2022 - Elsevier
Anaerobic digestion has been recognized as promising technology for bioenergy
production, while the bottlenecks including long start up times, low methane contents, and …

Addition of a carbon fiber brush improves anaerobic digestion compared to external voltage application

G Baek, PE Saikaly, BE Logan - Water Research, 2021 - Elsevier
Two methods were examined to improve methane production efficiency in anaerobic
digestion (AD) based on adding a large amount of surface area using a single electrically …

Applying dynamic magnetic field to promote anaerobic digestion via enhancing the electron transfer of a microbial respiration chain

B Yang, Q Yu, Y Zhang - Environmental Science & Technology, 2023 - ACS Publications
Electrochemical methods have been reported to strengthen anaerobic digestion, but the
continuous electrical power supply and the complicated electrode installed inside the …

Electron transfer and mechanism of energy production among syntrophic bacteria during acidogenic fermentation: A review

C Liu, L Ren, B Yan, L Luo, J Zhang, MK Awasthi - Bioresource technology, 2021 - Elsevier
Volatile fatty acids (VFAs) production plays an important role in the process of anaerobic
digestion (AD), which is often the critical factor determining the metabolic pathways and …

Boosting methane production and raw waste activated sludge treatment in a microbial electrolysis cell-anaerobic digestion (MEC-AD) system: The effect of organic …

G Kanellos, A Tremouli, G Arvanitakis, G Lyberatos - Bioelectrochemistry, 2024 - Elsevier
This study deals with the effect of different organic loading rates (OLRs) on the organic load
removal and the productivity of methane, in a microbial electrolysis cell-anaerobic digestion …

Intermittent voltage induced sludge polarization to enhance anaerobic digestion

L Wang, Q Yu, C Sun, Y Zhu, Z Wang, Y Zhang - Water Research, 2022 - Elsevier
Intermittent voltage supply has been reported to improve the performance of electro-assisted
anaerobic digestion but has not been well understood. In this study, an intermittent voltage …

Effect of applying potentials on anaerobic digestion of high salinity organic wastewater

P Li, Q Chen, H Dong, J Lu, D Sun, Y Wei, H He… - Science of the Total …, 2022 - Elsevier
High salinity organic wastewater (HSOW) contains both organic pollutants and high
concentration of inorganic salts. If it is discharged into the environment without proper …

Advances in microbial community, mechanisms and stimulation effects of direct interspecies electron transfer in anaerobic digestion

J Akram, C Song, HM El Mashad, C Chen… - Biotechnology …, 2024 - Elsevier
Anaerobic digestion (AD) has been proven to be an effective green technology for producing
biomethane while reducing environmental pollution. The interspecies electron transfer (IET) …

Performance and stability enhancement of methanogenic granular sludge process: Feed pre-acidification and magnetite-embedded granule formation

J Kim, J Park, H Choi, C Lee - Chemical Engineering Journal, 2023 - Elsevier
Recently, inducing the formation of conductive magnetite-embedded granules (MEGs) by
self-embedding submicron magnetite particles into anaerobic granules has been …