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지구의 녹색 미래를 위한 혁신적인 기후변화 대응기술. Non-co2 온실가스저감기술개발사업단이 이끌어 나가겠습니다

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구분 CH4
제목 Biomethanation in a thermophilic biotrickling filter using cattle manure as nutrient media
저자 Mads Ujarak Sieborg
저널명 Bioresource Technology Reports
게재년도 2020
문헌정보 요약
요약
Hydrogenotrophic methanogenesis is a power-to-gas method, biologically converting CO2 to CH4 using H2 generated from electrical power. However, the low rate of gas-liquid mass transfer of H2 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% H2 conversion and specific methane productivity of 2.08 Nm3 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.

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