Significantly enhanced enzymatic hydrolysis of waste rice hull through a novel surfactant-based deep eutectic solvent pretreatment

被引：28
作者：
Tang, Zheng-Yu [1 ]
Li, Lei [2 ]
Tang, Wei [1 ]
Shen, Jia-Wei [1 ]
Yang, Qi-Zhen [1 ]
Ma, Cuiluan [2 ]
He, Yu-Cai [1 ,2 ]
机构：
[1] Changzhou Univ, Sch Pharm, Natl Local Joint Engn Res Ctr Biomass Refining & H, Jiangsu Key Lab Adv Catalyt Mat & Technol, Changzhou 213164, Peoples R China
[2] Hubei Univ, Hubei Collaborat Innovat Ctr Green Transformat Bio, State Key Lab Biocatalysis & Enzyme Engn, Sch Life Sci,Hubei Key Lab Industrial Biotechnol, Wuhan 430062, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2023年 / 381卷
基金：
中国国家自然科学基金;
关键词：
Deep eutectic solvent; Surfactant; Waste rice hull; Enzymatic saccharification; Pretreatment; DILUTE-ACID PRETREATMENT; CETYLTRIMETHYLAMMONIUM BROMIDE; CELLULOSE ACCESSIBILITY; SACCHARIFICATION; BIOMASS; HEMICELLULOSE; ALKALI;
D O I：
10.1016/j.biortech.2023.129106
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The potential of green solvents, specifically deep eutectic solvents (DESs), has piqued the interest of researchers in the field of lignocellulose pretreatment. To enhance the enzymatic digestion efficiency of waste rice hull (RCH), an effective pretreatment approach was developed using the DES [AA][CATB], which was made with acetic acid (AA) and cetyltrimethylammonium bromide (CTAB). The results showed that [AA][CATB] improved enzymatic saccharification by 3.7 times compared to raw RCH and efficiently eliminated lignin and removed xylan. The improvement in enzymatic hydrolysis efficiency was then interpreted by a series of characterizations that showed a great morphological changed RCH with an obvious accessibility increase and a lignin surface area and hydrophobicity reduction. This work demonstrates that functional, and easily recoverable DESs have po-tential for improving the efficiency of lignocellulose pretreatment in biorefineries, providing a promising approach for developing green solvents and achieving more sustainable and efficient biorefinery processes.
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页数：10
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