Enhanced bioethanol production by fed-batch simultaneous saccharification and co-fermentation at high solid loading of Fenton reaction and sodium hydroxide sequentially pretreated sugarcane bagasse

被引：37
|
作者：
Zhang, Teng [1 ]
Zhu, Ming-Jun [1 ]
机构：
[1] South China Univ Technol, Guangzhou Higher Educ Mega Ctr, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2017年 / 229卷
基金：
中国国家自然科学基金;
关键词：
Fed-batch SSCF; Sugarcane bagasse; High solid loading; Enzyme feeding; ETHANOL-PRODUCTION; SACCHAROMYCES-CEREVISIAE; ENZYMATIC-HYDROLYSIS; COMMERCIAL ENZYMES; SPRUCE; STOVER; SSCF; WHEAT;
D O I：
10.1016/j.biortech.2017.01.028
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A study on the fed-batch simultaneous saccharification and co-fermentation (SSCF) of Fenton reaction combined with NaOH pretreated sugarcane bagasse (SCB) at a high solid loading of 10-30% (w/v) was investigated. Enzyme feeding mode, substrate feeding mode and combination of both were compared with the batch mode under respective solid loadings. Ethanol concentrations of above 80 g/L were obtained in batch and enzyme feeding modes at a solid loading of 30% (w/v). Enzyme feeding mode was found to increase ethanol productivity and reduce enzyme loading to a value of 1.23 g/L/h and 9 FPU/g substrate, respectively. The present study provides an economically feasible process for high concentration bioethanol production. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：204 / 210
页数：7
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