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Influence of acidogenic headspace pressure on methane production under schematic of diversion of acidogenic off-gas to methanogenic reactor
Yan, Bing Hua1,2,3; Selvam, Ammaiyappan2,3,4; Wong, Jonathan W. C.2,3
2017-12-01
发表期刊BIORESOURCE TECHNOLOGY
卷号245页码:1000-1007
摘要This study investigated the effects of 12.6 psi (T1), 6.3 psi (T2), 3.3 psi (T3) and ambient (T4) headspace pressure on the metabolic pathways in the acidogenic leach bed reactor (LBR) and overall methane recovery during two-phase anaerobic digestion of food waste. Diversion of biogas from LBR enhanced COD and soluble product generation in T2, T3 and T4 whereas, high pressure (T1) resulted in comparatively higher lactate production and low protein degradation. A pressure of 3-6 psi (T2 and T3) improved the production of COD by similar to 22-36%, soluble products by similar to 9-43%, volatile solid reduction by similar to 14-19%, and CH4 production by similar to 10-31% compared with control. Besides, similar to 3-6 psi headspace pressure positively influenced the composition of soluble products resulting in enhanced methane recovery adding advantage to the two-phase system. A headspace pressure of similar to 3-6 psi is recommended to enhance the hydrolysis-acidogenesis; however, the actual hydrogen concentration should be considered.
文章类型Article
关键词Anaerobic Digestion Headspace Pressure Acidogenic Off-gas Metabolic Pathway
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2017.08.173
关键词[WOS]FERMENTATIVE HYDROGEN-PRODUCTION ; THERMOPHILIC ANAEROBIC-DIGESTION ; POTENTIAL BMP TESTS ; LEACH BED REACTOR ; FOOD WASTE ; CLOSTRIDIUM-BUTYRICUM ; SELECTIVE PRODUCTION ; LACTIC-ACID ; PH CONTROL ; OPTIMIZATION
收录类别SCI
语种英语
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
项目资助者Shandong Provincial Natural Science Foundation(ZR2016bb06) ; Research Grant Council of Hong Kong Special Administrative Region(HKBU262013)
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000412443500123
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9732
专题环境资源化与水回用团队
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Lab Waste Valorisat & Water Reuse, Qingdao, Peoples R China
2.Hong Kong Baptist Univ, Inst Bioresource & Agr, Sinoforest Appl Res Ctr Pearl River Delta Environ, Hong Kong, Hong Kong, Peoples R China
3.Hong Kong Baptist Univ, Dept Biol, Hong Kong, Hong Kong, Peoples R China
4.Manonmaniam Sundaranar Univ, Dept Plant Sci, Tirunelveli 627012, Tamil Nadu, India
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Yan, Bing Hua,Selvam, Ammaiyappan,Wong, Jonathan W. C.. Influence of acidogenic headspace pressure on methane production under schematic of diversion of acidogenic off-gas to methanogenic reactor[J]. BIORESOURCE TECHNOLOGY,2017,245:1000-1007.
APA Yan, Bing Hua,Selvam, Ammaiyappan,&Wong, Jonathan W. C..(2017).Influence of acidogenic headspace pressure on methane production under schematic of diversion of acidogenic off-gas to methanogenic reactor.BIORESOURCE TECHNOLOGY,245,1000-1007.
MLA Yan, Bing Hua,et al."Influence of acidogenic headspace pressure on methane production under schematic of diversion of acidogenic off-gas to methanogenic reactor".BIORESOURCE TECHNOLOGY 245(2017):1000-1007.
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