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Acetate yield increased by gas circulation and fed-batch fermentation in a novel syntrophic acetogenesis and homoacetogenesis coupling system

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WOS被引频次:24
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成果类型:
期刊论文
作者:
YanQiu Nie;He Liu;GuoCheng Du;Jian Chen
通讯作者:
Liu, H.(liuhe@sytu.edu.cn)
作者机构:
[He Liu; YanQiu Nie; GuoCheng Du; Jian Chen] Laboratory of Environmental Biotechnology, School of Biotechnology, Southern Yangtze University, Wuxi, 214122, China
[YanQiu Nie] Department of Environmental Engineering, Hunan Institute of Technology, Hengyang, 421008, China
[Jian Chen; GuoCheng Du] Key Laboratory of Industrial Biotechnology, Ministry of Education, Southern Yangtze University, Wuxi, 214122, China
通讯机构:
[Liu, H] So Yangtze Univ, Sch Biotechnol, Lab Environm Biotechnol, Wuxi 214122, Peoples R China.
语种:
英文
关键词:
Acetate;Anaerobic fermentation;Syntrophic acetogenesis;Homoacetogenesis;Mass transfer
期刊:
Bioresource Technology
ISSN:
0960-8524
年:
2008
卷:
99
期:
8
页码:
2989-2995
文献类别:
WOS:Article;EI:Journal article (JA)
所属学科:
ESI学科类别:生物学与生物化学;WOS学科类别:Agricultural Engineering;Biotechnology & Applied Microbiology;Energy & Fuels
入藏号:
WOS:000254072200037;EI:20080711094078;PMID:17681788
机构署名:
本校为其他机构
院系归属:
安全与环境工程学院
摘要:
Gas circulation and fed-batch fermentation were applied for enhancing acetate production by mixed culture in a novel syntrophic acetogenesis and homoacetogenesis coupling system. The results show that the acetate yield in the fed-batch test with gas circulation is about 47% higher than that in the batch test without gas circulation. The fed-batch method helps to increase acetate yield by balancing hydrogen production in the acetogenesis phase (the 1st phase) and hydrogen consumption in the homoacetogenesis phase (the 2nd phase) of the coupling system. Gas circulation enhances mass transfer between different phases of the coupling system, hence resulting in increased homoacetogenesis in the 2nd phase and relief of the products (H-2) inhibition to syntrophic acetogenesis in the 1st phase. The effects of gas circulation and fed-batch fermentation on direct glucose conversion to acetate were also investigated. (C) 2007 Published by Elsevier Ltd.
参考文献:
Huang YL, 2002, BIORESOURCE TECHNOL, V82, P51, DOI 10.1016/S0960-8524(01)00151-1
Mu Y, 2007, WATER RES, V41, P1152, DOI 10.1016/j.watres.2006.11.047
Logan BE, 2002, ENVIRON SCI TECHNOL, V36, P2530, DOI 10.1021/es016783i
Oh SE, 2003, ENVIRON SCI TECHNOL, V37, P5186, DOI 10.1021/es034291y
Iranpour R, 1999, SCIENCE, V285, P706, DOI 10.1126/science.285.5428.706

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