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Novel pretreatment of steam explosion associated with ammonium chloride preimpregnation
Alternative TitleBioresour. Technol.
Chen, Hongzhang; Li, Guanhua; Li, Hongqiang
2014-02-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume153Issue:1Pages:154-159
AbstractImproving nitrogen content and enhancing enzymatic hydrolysis are key processes involved in cellulosic ethanol production. Steam explosion (SE) associated with NH4Cl preimpregnation was carried out to investigate effects of the pretreatment on nitrogen content, enzymatic digestibility, and ethanol production. Results showed that nitrogen content in pretreated samples increased, which can be used as nitrogen resource for ethanol fermentation. The highest glucose yield of sample pretreated by 1.4 MPa SE with 90 g/l NH4Cl preimpregnation was 62.64%, which was 2.1 and 0.2 times higher than that of untreated sample and 1.4 MPa SE pretreated sample, respectively. Ethanol yield of sample pretreated by 1.1 MPa SE with 135 g/l NH4Cl preimpregnation resulted in 1.93 and 0.69 times higher than that of untreated sample and 1.1 MPa SE pretreated sample, respectively. This novel pretreatment improved nitrogen content and enhanced enzymatic digestibility under mild conditions, and could be recommended to further industrial application. (C) 2013 Elsevier Ltd. All rights reserved.; Improving nitrogen content and enhancing enzymatic hydrolysis are key processes involved in cellulosic ethanol production. Steam explosion (SE) associated with NH4Cl preimpregnation was carried out to investigate effects of the pretreatment on nitrogen content, enzymatic digestibility, and ethanol production. Results showed that nitrogen content in pretreated samples increased, which can be used as nitrogen resource for ethanol fermentation. The highest glucose yield of sample pretreated by 1.4 MPa SE with 90 g/l NH4Cl preimpregnation was 62.64%, which was 2.1 and 0.2 times higher than that of untreated sample and 1.4 MPa SE pretreated sample, respectively. Ethanol yield of sample pretreated by 1.1 MPa SE with 135 g/l NH4Cl preimpregnation resulted in 1.93 and 0.69 times higher than that of untreated sample and 1.1 MPa SE pretreated sample, respectively. This novel pretreatment improved nitrogen content and enhanced enzymatic digestibility under mild conditions, and could be recommended to further industrial application. (C) 2013 Elsevier Ltd. All rights reserved.
KeywordSteam Explosion Ammonium Chloride Preimpregnation Enzymatic Digestibility Biomass Ethanol
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2013.11.025
URL查看原文
Indexed BySCI
Language英语
WOS KeywordENZYMATIC-HYDROLYSIS ; BARLEY STRAW ; CORN STOVER ; BIOETHANOL PRODUCTION ; WATER PRETREATMENT ; BIOMASS ; FERMENTATION ; FIBER ; DIGESTIBILITY ; ACID
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000331461000021
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/8152
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Chen, Hongzhang,Li, Guanhua,Li, Hongqiang. Novel pretreatment of steam explosion associated with ammonium chloride preimpregnation[J]. BIORESOURCE TECHNOLOGY,2014,153(1):154-159.
APA Chen, Hongzhang,Li, Guanhua,&Li, Hongqiang.(2014).Novel pretreatment of steam explosion associated with ammonium chloride preimpregnation.BIORESOURCE TECHNOLOGY,153(1),154-159.
MLA Chen, Hongzhang,et al."Novel pretreatment of steam explosion associated with ammonium chloride preimpregnation".BIORESOURCE TECHNOLOGY 153.1(2014):154-159.
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