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Enhancement of high-solids enzymatic hydrolysis efficiency of alkali pretreated sugarcane bagasse at low cellulase dosage by fed-batch strategy based on optimized accessory enzymes and additives

文献类型：期刊论文

作者Xu, Chao1,3,4,5; Zhang, Jun1,3,4,5; Zhang, Yu1; Guo, Ying1; Xu, Huijuan1; Xu, Jingliang1,2; Wang, Zhongming1
刊名BIORESOURCE TECHNOLOGY
出版日期2019-11-01
卷号292页码:7
关键词Accessory enzymes Additives High-solids Enzymatic hydrolysis Lignocellulosic biomass
ISSN号0960-8524
DOI10.1016/j.biortech.2019.121993
通讯作者Xu, Jingliang(xujl@zzu.edu.cn)
英文摘要Obtaining higher amount of final sugars with low cellulase dosage has great economic benefits for the industrial biorefinery of lignocellulosic biomass. The optimization of accessory enzymes and additives were performed using single factor and orthogonal experiment firstly, after that, fed-batch strategy was applied to enhance the high-solids enzymatic hydrolysis efficiency of alkali pretreated sugarcane bagasse (SCB). A novel enzymatic hydrolysis procedure with 22% (w/v) substrate content and cellulase dosage of only 4 FPU/g dry biomass (DM) was developed, after digested for 48 h, the achieved glucose titer, yield and productivity were 122 g/L, 80% and 2.54 g L-1 h(-1), respectively. Results obtained in this study indicated a potential finding for the industrial application of lignocellulosic biomass.
WOS关键词ETHANOL-PRODUCTION ; SACCHARIFICATION ; BIOMASS ; ACID ; LIGNOCELLULOSE ; SURFACTANTS ; TECHNOLOGY ; INHIBITION ; TWEEN-80 ; LOADINGS
资助项目National Key Research and Development Project[2018YFB1501701] ; Guangdong Science and Technology Research Program[2017A010105018] ; Key Project of International Cooperation, Chinese Academy of Sciences[182344KYSB20160056]
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
语种英语
WOS记录号WOS:000485045400042
出版者ELSEVIER SCI LTD
资助机构National Key Research and Development Project ; Guangdong Science and Technology Research Program ; Key Project of International Cooperation, Chinese Academy of Sciences
源URL[http://ir.giec.ac.cn/handle/344007/25679]  
专题中国科学院广州能源研究所
通讯作者Xu, Jingliang
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Zhengzhou Univ, Sch Chem Engn, Zhengzhou 450001, Henan, Peoples R China
3.CAS Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
4.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China
5.Univ China Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Chao,Zhang, Jun,Zhang, Yu,et al. Enhancement of high-solids enzymatic hydrolysis efficiency of alkali pretreated sugarcane bagasse at low cellulase dosage by fed-batch strategy based on optimized accessory enzymes and additives[J]. BIORESOURCE TECHNOLOGY,2019,292:7.
APA Xu, Chao.,Zhang, Jun.,Zhang, Yu.,Guo, Ying.,Xu, Huijuan.,...&Wang, Zhongming.(2019).Enhancement of high-solids enzymatic hydrolysis efficiency of alkali pretreated sugarcane bagasse at low cellulase dosage by fed-batch strategy based on optimized accessory enzymes and additives.BIORESOURCE TECHNOLOGY,292,7.
MLA Xu, Chao,et al."Enhancement of high-solids enzymatic hydrolysis efficiency of alkali pretreated sugarcane bagasse at low cellulase dosage by fed-batch strategy based on optimized accessory enzymes and additives".BIORESOURCE TECHNOLOGY 292(2019):7.

入库方式： OAI收割

来源：广州能源研究所

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