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题名: Optimization and microbial community analysis of anaerobic co-digestion of food waste and sewage sludge based on microwave pretreatment
作者: Zhang, Junya; Lv, Chen; Tong, Juan; Liu, Jianwei; Liu, Jibao; Yu, Dawei; Wang, Yawei; Chen, Meixue; Wei, Yuansong
刊名: BIORESOURCE TECHNOLOGY
出版日期: 2016-01
卷号: 200, 期号:0, 页码:253-261
关键词: Anaerobic co-digestion ; Sewage sludge ; Food waste ; Bacterial community ; Archaeal community
部门归属: 大气污染控制中心
英文摘要: The effects of microwave pretreatment (MW) on co-digestion of food waste (FW) and sewage sludge (SS) have never been investigated. In this study, a series of mesophilic biochemical methane potential (BMP) tests were conducted to determine the optimized ratio of FW and SS based on MW, and the evolution of bacterial and archaeal community was investigated through high-throughput sequencing method. Results showed that the optimized ratio was 3: 2 for co-digestion of FW and SS based on MW, and the methane production was 316.24 and 338.44 mLCH(4)/gVS(added) for MW-FW and MW-SS, respectively. The MW-SS was superior for methane production compared to MW-FW, in which accumulation of propionic acid led to the inhibition of methanogenesis. Proteiniborus and Parabacteroides were responsible for proteins and polysaccharides degradation for all, respectively, while Bacteroides only dominated in co-digestion. Methanosphaera dominated in MW-FW at the active methane production phase, while it was Methanosarcina in MW-SS and mono-SS. (C) 2015 Elsevier Ltd. All rights reserved.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35760
Appears in Collections:大气污染控制中心_期刊论文

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