Enhancing anaerobic digestion of complex organic waste with carbon-based conductive materials
Abstract
The aim of this work was to study the methanogenic metabolism of dog food, a food waste surrogate, in laboratory-scale reactors with different carbon-based conductive materials. Carbon cloth, carbon felt, and granular activated carbon all permitted higher organic loading rates and promoted faster recovery of soured reactors than the control reactors. Microbial community analysis revealed that specific and substantial enrichments of Sporanaerobacter and Methanosarcina were present on the carbon cloth surface. These results, and the known ability of Sporanaerobacter species to transfer electrons to elemental sulfur, suggest that Sporanaerobacter species can participate in direct interspecies electron transfer with Methanosarcina species when carbon cloth is available as an electron transfer mediator.
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Biochar addition can promote direct interspecies electron transfer (DIET) and improve biogas production in anaerobic digestion.
“Biochar addition could also promote direct interspecies electron transfer (DIET) and improve biogas production in anaerobic digestion.171,172”
From Sustainable remediation with an electroactive biochar system: mechanisms and perspectives (2020) · cites this paper as [172]
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References 39 · Cited by 406
- Authors
- Dang, Y., Holmes, D. E., Zhao, Z., Woodard, T. L., Zhang, Y., Sun, D., Wang, L.-Y., Nevin, K. P., & Lovley, D. R.
- Affiliations
- University of Massachusetts Amherst (US)
- Western New England University (US)
- Corresponding author
- Dang, Yan
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2016-11
- Volume
- 220
- Pages
- 516-522
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2515646254
- Cited by
- 406
- References
- 39
- Citations by year
- 2026: 29 · 2025: 36 · 2024: 35 · 2023: 45 · 2022: 32 · 2021: 52 · 2020: 69 · 2019: 46 · 2018: 35 · 2017: 23 · 2016: 4
- FWCI
- 39.47
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Environmental Research & Education Foundation
- China Scholarship Council
- Topics
- Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
- Physical Sciences › Environmental Science › Environmental Engineering › Microbial Fuel Cells and Bioremediation
- Physical Sciences › Environmental Science › Waste Management and Disposal › Landfill Environmental Impact Studies
- Keywords
- anaerobic digestion, dog food, food waste, carbon cloth, carbon felt, granular activated carbon, conductive materials, organic loading rate, Methanosarcina, interspecies electron transfer, elemental sulfur, microbial communities
- MeSH terms
- Carbon Fiber, Anaerobiosis, Animals, Bacteria, Carbon, Charcoal, Dogs, Electric Conductivity, Fatty Acids, Volatile, Hydrogen-Ion Concentration, Methane, Organic Chemicals, Waste Products, Bioreactors
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