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Industrial technologies for bioethanol production from lignocellulosic biomass
Chen, Hongzhang1; Fu, Xiaoguo1,2

Industrial technologies for bioethanol production from lignocellulosic biomass were reviewed by integrating feedstock handling, selective-fractionation, synergistic enzymatic hydrolysis, industrial fermenting yeast strains, and simultaneous saccharification and co-fermentation in this paper. The breakthrough of integrated technologies contributed to economic feasibility was also analyzed by industrial operation test. With the integrated technologies, the feedstock cost was reduced by 19.4% compared with traditional conversion process. The enzyme loading was reduced by 25.0% using synergistic enzyme systems compared with single cellulase addition. The pre-hydrolysis and simultaneous saccharification and co-fermentation without detoxification operation was developed using inhibitors-tolerant Saccharomyces cerevisiae. More than 4% (w/w) ethanol concentration was achieved, which corresponded to 72.3% theoretical yield of ethanol. The improved conversion efficiency of pentose resulted in 41% increase of ethanol yield. Additionally, lignin plastic composite material (LPCM) and compress natural gas (CNG) were co-produced, which proportioned the capital cost of process and hence facilitated the economic feasibility of process. As a result, the corresponding ethanol total cost was reduced to 5571.6 Yuan/t (Yuan, Chinese currency). In conclusion, the low cost of feedstock, simple and integrated conversion process, and multi-products production contribute to the competiveness of this integrated industrial technology for lignocellulosic bioethanol production. (C) 2015 Elsevier Ltd. All rights reserved.

KeywordIndustrial Technology Lignocellulosic Bioethanol Strains Domestication Selective-fractionation Co-fermentation Synergistic Enzymatic Hydrolysis
Subject AreaEnergy & Fuels ; Energy & Fuels
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS KeywordSaccharomyces-cerevisiae 424a(Lnh-st) ; Pretreated Corn Stover ; Wheat-straw ; Ethanol-production ; Simultaneous Saccharification ; Enzymatic-hydrolysis ; Steam Explosion ; Xylitol Dehydrogenase ; Commercial Enzymes ; Yeast-strain
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
Funding OrganizationNational Basic Research Program of China (973 Project)(2011CB707401) ; Open Funding Project of the National Key Laboratory of Biochemical Engineering(2013KF-01)
WOS IDWOS:000370456000036
Citation statistics
Cited Times:96[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorChen, Hongzhang
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Chen, Hongzhang,Fu, Xiaoguo. Industrial technologies for bioethanol production from lignocellulosic biomass[J]. RENEWABLE & SUSTAINABLE ENERGY REVIEWS,2016,57(MAY):468-478.
APA Chen, Hongzhang,&Fu, Xiaoguo.(2016).Industrial technologies for bioethanol production from lignocellulosic biomass.RENEWABLE & SUSTAINABLE ENERGY REVIEWS,57(MAY),468-478.
MLA Chen, Hongzhang,et al."Industrial technologies for bioethanol production from lignocellulosic biomass".RENEWABLE & SUSTAINABLE ENERGY REVIEWS 57.MAY(2016):468-478.
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