Microbial community dynamics in granular activated carbon enhanced up-flow anaerobic sludge blanket (UASB) treating municipal sewage under sulfate reducing and psychrophilic conditions
作者： Yingdi Zhang , Bing Guo , Lei Zhang , Huixin Zhang , Yang Liu
DOI: 10.1016/J.CEJ.2020.126957
关键词:
摘要: Two laboratory-scale up-flow anaerobic sludge blankets (UASB) reactors treating municipal sewage were operated to test the effects of granular activated carbon (GAC) addition under sulfate-reducing and psychrophilic conditions. As compared to the non-GAC reactor, the GAC-amended reactor simultaneously enhanced chemical oxygen demand (COD) removal (from 61% to 69%) and methane production (from 11% to 20%)(all with P< 0.05). With a stepwise decrease in the hydraulic retention times, the specific methanogenic activity (SMA) …
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