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Enhanced carboxylic acids production by decreasing hydrogen partial pressure during acidogenic fermentation of glucose
Zhou, Miaomiao1,2; Zhou, Jun3; Tan, Ming1; Du, Juan1; Yan, Binghua1; Wong, Jonathan W. C.4; Zhang, Yang1
2017-12-01
Source PublicationBIORESOURCE TECHNOLOGY
Volume245Pages:44-51
AbstractIn this study, the effect of reduced hydrogen partial pressure (P-H2) on the generation of carboxylic acids from acidogenic fermentation of glucose was investigated. Three strategies were applied to reduce P-H2: headspace removal (T1), CO2 sparging (T2) and H-2:CO2 (80:20) sparging (T3). Results showed that the production of carboxylic acids in T1-T3 were 10.21, 11.64 and 12.71 g/L, respectively, which were 1.04, 1.19 and 1.30-fold of that in the control (T4). The composition of carboxylic acids changed significantly in T3 with enhancement of homoacetogenesis, as more acetate and butyrate were produced comparing to the control. In addition, decreasing P-H2 led to more carbon flow to carboxylic acids. Species of Clostridium became dominant in treatment T3, resulting in the shift of metabolic pathways. This study demonstrated that decreasing P-H2 could increase the production of carboxylic acids, especially under the strategy of enhancing homoacetogenesis.
SubtypeArticle
KeywordCarboxylic Acids Production H-2 Partial Pressure Acidogenic Fermentation Homoacetogenesis
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2017.08.152
WOS KeywordVOLATILE FATTY-ACIDS ; WASTE ACTIVATED-SLUDGE ; ANAEROBIC CO-DIGESTION ; ORGANIC LOADING RATE ; FOOD WASTE ; BIOHYDROGEN PRODUCTION ; CARBON-DIOXIDE ; MIXED CULTURE ; PH ; HOMOACETOGENESIS
Indexed BySCI
Language英语
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
Funding OrganizationShandong Provincial Natural Science Foundation(ZR2016bb06) ; Chinese Academy of Sciences (CAS) ; National Basic Research Program of China(2013CB733500)
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000412443500006
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/9560
Collection环境资源化与水回用研究组
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Lab Waste Valorizat & Water Reuse, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Nanjing TECH Univ, Coll Biotechnol & Pharmaceut Engn, Nanjing 211816, Jiangsu, Peoples R China
4.Hong Kong Baptist Univ, Sinoforest Appl Res Ctr Pearl River Delta Environ, Dept Biol, Hong Kong, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Miaomiao,Zhou, Jun,Tan, Ming,et al. Enhanced carboxylic acids production by decreasing hydrogen partial pressure during acidogenic fermentation of glucose[J]. BIORESOURCE TECHNOLOGY,2017,245:44-51.
APA Zhou, Miaomiao.,Zhou, Jun.,Tan, Ming.,Du, Juan.,Yan, Binghua.,...&Zhang, Yang.(2017).Enhanced carboxylic acids production by decreasing hydrogen partial pressure during acidogenic fermentation of glucose.BIORESOURCE TECHNOLOGY,245,44-51.
MLA Zhou, Miaomiao,et al."Enhanced carboxylic acids production by decreasing hydrogen partial pressure during acidogenic fermentation of glucose".BIORESOURCE TECHNOLOGY 245(2017):44-51.
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