Influence of the alkaline delignification on the simultaneous saccharification and fermentation (SSF) of sugar cane bagasse

被引：18
|
作者：
Soares, Mariana Lucena [1 ]
Gouveia, Ester Ribeiro [1 ]
机构：
[1] Univ Fed Pernambuco, Dept Antibiot, BR-50670901 Recife, PE, Brazil
来源：
BIORESOURCE TECHNOLOGY | 2013年 / 147卷
关键词：
Delignification; Ethanol; Lignin; Saccharomyces cerevisiae; ENZYMATIC-HYDROLYSIS; 2ND-GENERATION ETHANOL; PRETREATMENTS; CELLULOSE;
D O I：
10.1016/j.biortech.2013.08.103
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Ethanol production from steam explosion alkaline delignified bagasse was investigated by saccharification and simultaneous fermentation. Non delignified bagasse (ND) contained 25% lignin, and after alkaline delignification, materials with 6% (D1 - NaOH 1% w/v) and 12% (D05 - NaOH 0.5% w/v) lignin, respectively, were obtained. Ethanol production increased 450% and 733% in relation to ND, when D05 and D1 material, respectively, were used. Higher productivity and EtOH/bagasse were observed for D1. However, higher enzymatic convertibility of cellulose was obtained with 0.5% w/v NaOH. Alkaline delignification increased the ethanol production despite decreased cellulose. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：645 / 648
页数：4
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