Hydrotropic pretreatment on rice straw for bioethanol production

被引：48

作者：

Devendra, Leena P. ^{[1
]}

Pandey, Ashok ^{[1
]}

机构：

[1] Natl Inst Interdisciplinary Sci & Technol CSIR, Ctr Biofuels, Trivandrum 695019, Kerala, India

来源：

RENEWABLE ENERGY | 2016年 / 98卷

关键词：

Rice straw; Hydrotrope; Sodium cumene sulfonate; Lignin; ENHANCE ENZYMATIC-HYDROLYSIS; PHYSICOCHEMICAL CHARACTERIZATION; ACID; SACCHARIFICATION; EXTRACTION; CONVERSION; PEROXIDE; BAGASSE; SUGARS;

D O I：

10.1016/j.renene.2016.02.032

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The aim of this study was to investigate the effect of hydrotrope as a pretreatment process on rice straw for bioethanol production. Sodium cumene sulfonate and sodium xylene sulfonate (Na-X) were used as hydrotropes to delignify rice straw. Effects of biomass loading, time, temperature and hydrotrope concentration were studied for both the hydrotropes. There was no loss of cellulose & hemicellulose in the hydrotrope solution. Sodium cumene sulfonate could remove more than 50% of lignin from rice straw with 5% biomass loading at 121 degrees C for 1 h. Reusability of aqueous hydrotrope solution was demonstrated. Enzymatic digestibility of the hydrotrope pretreated rice straw was studied and evaluated for subsequent bioethanol production. The use of the hydrotrope for biomass pretreatment has the potential to mitigate the environmental impact of chemical pretreatment. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：2 / 8

页数：7

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