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Simultaneous saccharification and co-fermentation for improving the xylose utilization of steam exploded corn stover at high solid loading
Liu, Zhi-Hua1,2; Chen, Hong-Zhang1
2016-02-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume201Issue:FEBPages:15-26
AbstractSimultaneous saccharification and co-fermentation (SSCF) of steam exploded corn stover (SECS) was investigated at 5-25% solid loadings compared with other conversion processes. SECS was washed with a 15-fold excess of deionized water to remove inhibitors of hydrolysis and fermentation. The concentration, yield, and productivity of ethanol was 34.3 g/L, 90.0%, 2.61 g/L/h in the co-fermentation of 60 g/L glucose and 10 g/L xylose by Saccharomyces cerevisiae IPE003. Ethanol concentration and productivity increased with increasing solid loading while ethanol yield decreased in all conversion processes of SECS. Glucan and xylan conversion was 82.0% and 82.1% in SSCF at 20% solid loading, respectively, while the concentration, yield and productivity of ethanol was 60.8 g/L, 75.3% and 0.63 g/L/h. The feeding strategy of SECS addition within 24 h improved the SSCF performance. Therefore, SSCF increased ethanol productivity and was an effective conversion process for ethanol production at high solid loading. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordSimultaneous Saccharification And Co-fermentation Xylose Fermentation High Solid Loading Fed-batch S. cereviS.ae Ipe003
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2015.11.023
Indexed BySCI
Language英语
WOS KeywordSACCHAROMYCES-CEREVISIAE 424A(LNH-ST) ; PRETREATED WHEAT-STRAW ; ENZYMATIC-HYDROLYSIS ; BIOETHANOL PRODUCTION ; COMMERCIAL ENZYMES ; ETHANOL-PRODUCTION ; EXPLOSION PRETREATMENT ; BIOMASS ; GLUCOSE ; SSCF
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
Funding OrganizationNational High Technology Research and Development Program of China (863 Program)(SS2012AA022502) ; Open Funding Project of the National Key Laboratory of Biochemical Engineering(2013KF-01)
WOS IDWOS:000366648700003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20184
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, Zhi-Hua,Chen, Hong-Zhang. Simultaneous saccharification and co-fermentation for improving the xylose utilization of steam exploded corn stover at high solid loading[J]. BIORESOURCE TECHNOLOGY,2016,201(FEB):15-26.
APA Liu, Zhi-Hua,&Chen, Hong-Zhang.(2016).Simultaneous saccharification and co-fermentation for improving the xylose utilization of steam exploded corn stover at high solid loading.BIORESOURCE TECHNOLOGY,201(FEB),15-26.
MLA Liu, Zhi-Hua,et al."Simultaneous saccharification and co-fermentation for improving the xylose utilization of steam exploded corn stover at high solid loading".BIORESOURCE TECHNOLOGY 201.FEB(2016):15-26.
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