Impacts of 2-bromoethanesulfonic sodium on methanogenesis: Methanogen metabolism and community structure

Shuang Qiu,Wenhao Xia,Jiajie Xu,Zimu Li,Shijian Ge

Water Research（2023）

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摘要

•Molecular mechanism underlying BES inhibition on CH4 production was revealed.•Inhibition was induced by competition between analog BES and methyl-CoM/CoM.•BES suppressed acetoclastic methanogenesis but enriched hydrogenotrophic one.•BES inhibited electron transport and ATP synthesis but enhanced ATP consumption.•BES decreased EPS secretion and destructed sludge surface.

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关键词

Anaerobic digestion,2-bromoethanesulfonic sodium,Chain elongation,Methanogenesis,Enzyme

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