Innovative method for increased methane recovery from two-phase anaerobic digestion of food waste through reutilization of acidogenic off-gas in methanogenic reactor

•Two-phase AD with acidogenic gas diversion from LBR to UASB increased CH4 recovery.•Acidogenic gas diversion increased the COD by 27% and CH4 recovery by 38.6%.•Acidogenic gas utilization contributes ∼8% increase in CH4 recovery.•Mixed acid fermentation dominated by butyrate was observed with gas d...

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Veröffentlicht in:	Bioresource technology 2016-10, Vol.217, p.3-9
Hauptverfasser:	Yan, Bing Hua, Selvam, Ammaiyappan, Wong, Jonathan W.C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acidogenic off-gas Anaerobiosis Biological Oxygen Demand Analysis Bioreactors - microbiology Butyrates - metabolism Carbon Dioxide - metabolism Food Food waste Hydrogen - metabolism Hydrogenotrophic methanogenesis Methane Methane - biosynthesis Sewage Two-phase anaerobic digestion Waste Management - instrumentation Waste Management - methods
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