Biomethanation in a thermophilic biotrickling filter using cattle manure as nutrient media

Mads Ujarak Sieborg, Brian Dahl Jønson, Muhammad Tahir Ashraf, Lars Yde, Jin Mi Triolo*

*Kontaktforfatter

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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.

OriginalsprogEngelsk
Artikelnummer100391
TidsskriftBioresource Technology Reports
Vol/bind9
Antal sider8
ISSN2589-014X
DOI
StatusUdgivet - feb. 2020

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  • Electro fuel from a bio-trickling filter (eFuel)

    Wenzel, H. (Co-PI), Ashraf, M. T. (Projektdeltager), Yde, L. (Projektdeltager), Triolo, J. M. (Projektdeltager), Jønson, B. D. (Ph.d.-studerende), Svendsen, J. C. (Koordinator), Angelidaki, I. (Co-PI) & Dahlgreen, T. (Projektdeltager)

    01/01/201931/12/2022

    Projekter: ProjektForskning

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