Amphipathic lignin derivatives to accelerate simultaneous saccharification and fermentation of unbleached softwood pulp for bioethanol production

被引：17

作者：

Cheng, Ningning ^{[1
]}

Yamamoto, Yoko ^{[1
]}

Koda, Keiichi ^{[2
]}

Tamai, Yutaka ^{[2
]}

Uraki, Yasumitsu ^{[2
]}

机构：

[1] Hokkaido Univ, Grad Sch Agr, Sapporo, Hokkaido 0608589, Japan

[2] Hokkaido Univ, Res Fac Agr, Sapporo, Hokkaido 0608589, Japan

来源：

BIORESOURCE TECHNOLOGY | 2014年 / 173卷

关键词：

Amphipathic lignin derivatives; Bioethanol; Cedar pulp; Enzymatic saccharification; Fed-batch simultaneous saccharification and fermentation (SSF); BATCH SIMULTANEOUS SACCHARIFICATION; ENHANCE ENZYMATIC SACCHARIFICATION; ETHANOL-PRODUCTION; HYDROLYSIS; LIGNOSULFONATE; SURFACTANTS; IMPROVEMENT; MECHANISM;

D O I：

10.1016/j.biortech.2014.09.093

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Amphipathic lignin derivatives (A-LDs) were already demonstrated to improve enzymatic saccharification of lignocellulose. Based on this knowledge, two kinds of A-LDs prepared from black liquor of soda pulping of Japanese cedar were applied to a fed-batch simultaneous saccharification and fermentation (SSF) process for unbleached soda pulp of Japanese cedar to produce bioethanol. Both lignin derivatives slightly accelerated yeast fermentation of glucose but not inhibited it. In addition, ethanol yields based on the theoretical maximum ethanol production in the fed-batch SSF process was increased from 49% without A-LDs to 64% in the presence of A-LDs. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：104 / 109

页数：6

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