Comparison of choline acetate ionic liquid pretreatment with various pretreatments for enhancing the enzymatic saccharification of sugarcane bagasse

被引：39
|
作者：
Asakawa, Ai [1 ]
Kohara, Misato [1 ]
Sasaki, Chizuru [1 ]
Asada, Chikako [1 ]
Nakamura, Yoshitoshi [1 ]
机构：
[1] Univ Tokushima, Inst Sci & Technol, Dept Life Syst, Tokushima 7708506, Japan
来源：
INDUSTRIAL CROPS AND PRODUCTS | 2015年 / 71卷
关键词：
Pretreatment; Ionic liquid; Choline acetate; Enzymatic saccharification; Energy profit ratio; LIGNOCELLULOSIC MATERIALS; BIOETHANOL PRODUCTION; ETHANOL-PRODUCTION; BIOGAS PRODUCTION; BIOMASS; HYDROLYSIS; CELLULOSE; IRRADIATION; DISSOLUTION; CONVERSION;
D O I：
10.1016/j.indcrop.2015.03.073
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In this study, ionic liquid (IL) pretreatment using choline acetate ([Cho][OAc]), which is a completely bioderived IL, for enhancing the enzymatic saccharification of lignocellulose was investigated. To evaluate [Chol[OAc] IL pretreatment, its effects on sugarcane bagasse composition, its subsequent enzymatic saccharification, and the energy profit ratio (EPR) were compared with those of various pretreatments, such as comminution, microwave irradiation, and alkaline treatment. After 72 h of enzymatic saccharification using bagasse pretreated with [Cho][OAc] at 110 degrees C for 360 min, 0.355 g of glucose per 1 g of raw bagasse was obtained (i.e., 98.7% of the cellulose content of the pretreated bagasse was converted into glucose), and maximum EPR was achieved in these pretreatment conditions. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：147 / 152
页数：6
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