Carbon, iron, and polymer-based conductive materials for improving methane production in anaerobic wastewater treatment systems: A review on their direct …

J Sun, ER Rene, Y He, W Ma, Q Hu, B Qiu - Fuel, 2023 - Elsevier
Organic compounds in wastewater have a high potential to be converted to (bio) methane
(CH 4) via anaerobic processes for energy recovery. Facilitating direct interspecies electron …

Improved efficiency of anaerobic digestion through direct interspecies electron transfer at mesophilic and thermophilic temperature ranges

R Lin, J Cheng, L Ding, JD Murphy - Chemical Engineering Journal, 2018 - Elsevier
Direct interspecies electron transfer (DIET) in microbial communities plays a significant role
in improving efficiency of biomethane production from anaerobic digestion. In this study, the …

Engineering enhanced anaerobic digestion: Benefits of ethanol fermentation pretreatment for boosting direct interspecies electron transfer

Z Zhao, Y Li, Y Zhang - Energy, 2021 - Elsevier
Conversion of organic wastes to methane via anaerobic digestion has been practiced for
more than 160 years. However, the technical bottlenecks derived from the thermodynamic …

Improving anaerobic digestion via direct interspecies electron transfer requires development of suitable characterization methods

C Van Steendam, I Smets, S Skerlos… - Current opinion in …, 2019 - Elsevier
Highlights•Many recent AD studies mistakenly link performance improvements exclusively to
DIET.•Unequivocally proving the occurrence of DIET requires a complex set of …

Recognizing the challenges of anaerobic digestion: Critical steps toward improving biogas generation

M Rasapoor, B Young, R Brar, A Sarmah, WQ Zhuang… - Fuel, 2020 - Elsevier
Anaerobic digestion (AD) is one of the most promising technologies that can break the
complex organic substrate into biogas. However, biogas production from biomass waste and …

Potentially shifting from interspecies hydrogen transfer to direct interspecies electron transfer for syntrophic metabolism to resist acidic impact with conductive carbon …

Z Zhao, Y Zhang, Y Li, Y Dang, T Zhu… - Chemical Engineering …, 2017 - Elsevier
Anaerobic digesters usually become sour during the operation and inhibit methanogenesis.
This effect occurs due to the interspecies electron exchange for the syntrophic metabolism of …

A review on the interspecies electron transfer of methane production in anaerobic digestion system

K Su, L Li, Q Wang, R Cao - Fermentation, 2023 - mdpi.com
Anaerobic methanogenesis plays an important role in the sustainable management of high
concentration organic wastewater and bioenergy recovery. Interspecies electron transfer …

Zero-valent iron enhanced methane production of anaerobic digestion by reinforcing microbial electron bifurcation coupled with direct inter-species electron transfer

P Zhang, J Zhang, T Zhang, L Zhang, Y He - Water Research, 2024 - Elsevier
Zero-valent iron (ZVI) can facilitate methanogens of anaerobic digestion (AD). However, the
impact of ZVI on the micro-energetic strategies of AD microorganisms remains uncertain …

Review of impact of nanoparticle additives on anaerobic digestion and methane generation

CM Ajay, S Mohan, P Dinesha, MA Rosen - Fuel, 2020 - Elsevier
Anaerobic digestion is a globally used biochemical process to convert the organic matter
present in wastes into an energy rich biogas with methane as the major constituent …

A review of application of combined biochar and iron-based materials in anaerobic digestion for enhancing biogas productivity: Mechanisms, approaches and …

L Feng, Z Gao, T Hu, S He, Y Liu, J Jiang, Q Zhao… - Environmental …, 2023 - Elsevier
Strengthening direct interspecies electron transfer (DIET), via adding conductive materials,
is regarded as an effective way for improving methane productivity of anaerobic digestion …