Facile pretreatment of lignocellulosic biomass using deep eutectic solvents

被引：373
作者：
Zhang, Cheng-Wu
Xia, Shu-Qian [1 ]
Ma, Pei-Sheng
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, Minist Educ, Key Lab Green Chem Technol, Tianjin 300072, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 219卷
关键词：
Pretreatment; Lignocellulosic biomass; Deep eutectic solvents; Delignification; Enzymatic hydrolysis; RENEWABLE IONIC LIQUIDS; RICE STRAW; BIOFUELS;
D O I：
10.1016/j.biortech.2016.07.026
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In this work, three kinds of deep eutectic solvents (DESs) were facilely prepared and used in the pretreatment of corncob, including monocarboxylic acid/choline chloride, dicarboxylic acid/choline chloride and polyalcohol/choline chloride. The enhanced delignification and subsequent enzymatic hydrolysis efficiency were found to be related to the acid amount, acid strength and the nature of hydrogen bond acceptors. The XRD, SEM and FT-IR results consistently indicated that the structures of corncob were disrupted by the removal of lignin and hemicellulose in the pretreatment process. In addition, the optimal pretreatment temperature and time were 90 degrees C and 24 h, respectively. This study explored the roles of various DESs combinations, pretreatment temperature and time to better utilize the DESs in the pretreatment of lignocellulosic biomass. (C) 2016 Elsevier Ltd. All rights reserved.
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页码：1 / 5
页数：5
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