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Abstract
Hydrogenotrophic methanogenesis is a power-to-gas method, biologically converting CO 2 to CH 4 using H 2 generated from electrical power. However, the low rate of gas-liquid mass transfer of H 2 limits the hydrogenotrophic methanogens biocatalyst. We explored hydrogenotrophic methanogenesis using cattle manure as trickling solution by employing a thermophilic biotrickling filter (BTF) with a fixed bed of polyurethane foam. It was found that stable biomethanation was possible with 100% H 2 conversion and specific methane productivity of 2.08 Nm 3 m −3 d −1 at a gas retention time of 1.32 h under thermophilic conditions. The successful use of pasteurized cattle manure, a cost-effective nutrient would enable biomethanation to get one step closer to being economically feasible.
Original language | English |
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Article number | 100391 |
Journal | Bioresource Technology Reports |
Volume | 9 |
Number of pages | 8 |
ISSN | 2589-014X |
DOIs | |
Publication status | Published - Feb 2020 |
Keywords
- Biogas
- Biomethane
- Hydrogen
- Hydrogenotrophic methanogenesis
- Power-to-gas
- Upgrading
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- 1 Finished
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Electro fuel from a bio-trickling filter (eFuel)
Wenzel, H. (Co-PI), Ashraf, M. T. (Project participant), Yde, L. (Project participant), Triolo, J. M. (Project participant), Jønson, B. D. (PhD student), Svendsen, J. C. (Coordinator), Angelidaki, I. (Co-PI) & Dahlgreen, T. (Project participant)
01/01/2019 → 31/12/2022
Project: Research