Comparative effects of GAC addition on methane productivity and microbial community in mesophilic and thermophilic anaerobic digestion of food waste

John Ryue,Long Lin,Yang Liu,Wenjing Lu,Daryl McCartney,Bipro Ranjan Dhar

Biochemical Engineering Journal（2019）

引用 81|浏览5

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摘要

•Relative impact of GAC on mesophilic and thermophilic AD of food waste was studied.•GAC addition reduced lag phases for methane production under both conditions.•At both temperatures, microbial diversity and richness increased with GAC addition.•GAC amendment almost doubled the methane potential at mesophilic temperature.•Methane potential in thermophilic digestion was unaffected by GAC addition.

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关键词

Anaerobic digestion,Direct interspecies electron transfer,Food waste,Granular activated carbon,Thermophilic vs. mesophilic

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