中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Enhancing the hydrolysis and acidification of steam-exploded cornstalks by intermittent pH adjustment with an enriched microbial community

文献类型:期刊论文

作者Zhang, Xiang1,2; Qiu, Weihua1; Chen, Hongzhang1
刊名BIORESOURCE TECHNOLOGY
出版日期2012-11-01
卷号123期号:0页码:30-35
关键词Microbial community Steam-exploded cornstalks Intermittent pH adjustment Acidification
ISSN号0960-8524
通讯作者Chen, HZ
英文摘要Intermittent pH adjustment was used to increase the degradation rate of steam-exploded cornstalks (SEC) and the production of organic acids by an enriched microbial community. The results showed that the degradation rate of SEC was as high as 75% and not affected by the intermittent pH adjustment within the range of 7.0 similar to 9.0. However, the total concentration of major water soluble metabolites (acetate and propionate) were increased with pH enhancement, showing the results of 1.86 g L-1 for pH 7.0, 2.04 g L-1 for pH 8.0 and 3.32 g L-1 for pH 9.0 after 84 h of fermentation. Based on 16s rDNA analysis by denaturing gradient gel electrophoresis (DGGE), different strains were dominant due to pH shift by intermittent adjustment, which would consequently cause the change in fermentation pattern. Intermittent pH adjustment was considered to be a useful way to enhance bioconversion potentiality of lignocellulose. (C) 2012 Elsevier Ltd. All rights reserved.
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
类目[WOS]Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]SIMULTANEOUS SACCHARIFICATION ; ACIDOGENIC FERMENTATION ; BIOMASS RECALCITRANCE ; CELLULOSE-DEGRADATION ; HYDROGEN-PRODUCTION ; PHOSPHORUS REMOVAL ; ACID PRODUCTION ; ORGANIC-ACIDS ; WASTE ; CONSORTIUM
收录类别SCI
语种英语
WOS记录号WOS:000310401100005
公开日期2013-10-11
版本出版稿
源URL[http://ir.ipe.ac.cn/handle/122111/3164]  
专题过程工程研究所_生化工程国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Xiang,Qiu, Weihua,Chen, Hongzhang. Enhancing the hydrolysis and acidification of steam-exploded cornstalks by intermittent pH adjustment with an enriched microbial community[J]. BIORESOURCE TECHNOLOGY,2012,123(0):30-35.
APA Zhang, Xiang,Qiu, Weihua,&Chen, Hongzhang.(2012).Enhancing the hydrolysis and acidification of steam-exploded cornstalks by intermittent pH adjustment with an enriched microbial community.BIORESOURCE TECHNOLOGY,123(0),30-35.
MLA Zhang, Xiang,et al."Enhancing the hydrolysis and acidification of steam-exploded cornstalks by intermittent pH adjustment with an enriched microbial community".BIORESOURCE TECHNOLOGY 123.0(2012):30-35.

入库方式: OAI收割

来源:过程工程研究所

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