Efficient Production of Ethanol from Empty Palm Fruit Bunch Fibers by Fed-Batch Simultaneous Saccharification and Fermentation Using Saccharomyces cerevisiae

被引：39

作者：

Park, Jang Min ^{[1
]}

Oh, Baek-Rock ^{[1
]}

Seo, Jeong-Woo ^{[1
]}

Hong, Won-Kyung ^{[1
]}

Yu, Anna ^{[1
]}

Sohn, Jung-Hoon ^{[1
,2
]}

Kim, Chul Ho ^{[1
]}

机构：

[1] KRIBB, Biomat Res Inst, Appl Microbiol Res Ctr, Jeongeup 580185, Jeonbuk, South Korea

[2] KRIBB, Syst & Synthet Biol Res Ctr, Taejon 305333, South Korea

来源：

APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY | 2013年 / 170卷 / 08期

关键词：

Lignocellulosic Biomass; Empty Palm Fruit Bunch Fiber (EFB); SSF; Ethanol; Pretreatment; WHEAT-STRAW; PRETREATMENT; BIOETHANOL; ACID; LIGNOCELLULOSE; TEMPERATURE; SSF;

D O I：

10.1007/s12010-013-0314-z

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The concentration of ethanol produced from lignocellulosic biomass should be at least 40 g l(-1) [about 5 % (v/v)] to minimize the cost of distillation process. In this study, the conditions for the simultaneous saccharification and fermentation (SSF) at fed-batch mode for the production of ethanol from alkali-pretreated empty palm fruit bunch fibers (EFB) were investigated. Optimal conditions for the production of ethanol were identified as temperature, 30 A degrees C; enzyme loading, 15 filter paper unit g(-1) biomass; and yeast (Saccharomyces cerevisiae) loading, 5 g l(-1) of dry cell weight. Under these conditions, an economical ethanol concentration was achieved within 17 h, which further increased up to 62.5 g l(-1) after 95 h with 70.6 % of the theoretical yield. To our knowledge, this is the first report to evaluate the economic ethanol production from alkali-pretreated EFB in fed-batch SSF using S. cerevisiae.

引用

页码：1807 / 1814

页数：8

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