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Title:
Innovative method for increased methane recovery from two-phase anaerobic digestion of food waste through reutilization of acidogenic off-gas in methanogenic reactor
Author: Yan, Bing Hua1,2; Selvam, Ammaiyappan2; Wong, Jonathan W. C.2
Source: BIORESOURCE TECHNOLOGY
Issued Date: 2016-10-01
Volume: 217, Pages:3-9
Keyword: Food waste ; Two-phase anaerobic digestion ; Acidogenic off-gas ; Hydrogenotrophic methanogenesis ; Methane
DOI: 10.1016/j.biortech.2016.03.116
DOC Type: Article
English Abstract: In this study, the performance of a two-phase anaerobic digestion reactor treating food waste with the reutilization of acidogenic off-gas was investigated with the objective to improve the hydrogen availability for the methanogenic reactor. As a comparison a treatment without off-gas reutilization was also set up. Results showed that acidogenic off-gas utilization in the upflow anaerobic sludge blanket (UASB) reactor increased the methane recovery up to 38.6%. In addition, a 27% increase in the production of cumulative chemical oxygen demand (COD) together with an improved soluble microbial products recovery dominated by butyrate was observed in the acidogenic leach bed reactor (LBR) with off-gas reutilization. Of the increased methane recovery, similar to 8% was contributed by the utilization of acidogenic off-gas in UASB. Results indicated that utilization of acidogenic off-gas in methanogenic reactor is a viable technique for improving overall methane recovery. (C) 2016 Published by Elsevier Ltd.
WOS Headings: Science & Technology ; Life Sciences & Biomedicine ; Technology
WOS Subject: Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS Subject Extended: Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS Keyword Plus: FERMENTATIVE HYDROGEN-PRODUCTION ; SYNTROPHIC ACETOGENESIS ; SELECTIVE PRODUCTION ; ACETATE PRODUCTION ; LACTIC-ACID ; PH CONTROL ; HYDROLYSIS ; SLUDGE ; ACIDIFICATION ; OPTIMIZATION
Indexed Type: SCI ; ISTP
Language: 英语
WOS ID: WOS:000380226300002
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/8384
Appears in Collections:环境资源化与水回用团队_期刊论文

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description.institution: 1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Lab Waste Valorisat & Water Reuse, Qingdao, Peoples R China
2.Hong Kong Baptist Univ, Dept Biol, Sinoforest Appl Res Ctr Pearl River Delta Environ, Hong Kong Special Adm Reg, Hong Kong, Hong Kong, Peoples R China

Recommended Citation:
Yan, Bing Hua,Selvam, Ammaiyappan,Wong, Jonathan W. C.. Innovative method for increased methane recovery from two-phase anaerobic digestion of food waste through reutilization of acidogenic off-gas in methanogenic reactor[J]. BIORESOURCE TECHNOLOGY,2016,217:3-9.
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