Comparative Study of Single Stage and Two-Stage Pretreatments on Corn Stover: A Kinetic Assessment

被引：1
|
作者：
Liu, Chao [1 ]
Zhang, Rui [1 ]
Yu, Jingjie [1 ]
Chang, Jing [1 ]
Zhang, Wenjuan [1 ]
机构：
[1] Tianjin Chengjian Univ, Sch Environm & Municipal Engn, Tianjin 300384, Peoples R China
来源：
BIORESOURCES | 2022年 / 17卷 / 01期
关键词：
Two-stage pretreatment; Hemicellulose hydrolysis; Kinetics; FeCl3; DILUTE-ACID PRETREATMENTS; LIGNOCELLULOSIC BIOMASS; ENZYMATIC SACCHARIFICATION; HYDROTHERMAL PRETREATMENT; INORGANIC SALTS; HYDROLYSIS; OPTIMIZATION;
D O I：
10.15376/biores.17.1.1257-1269
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
The effects of two-stage pretreatment consisting of tepid water (first stage) and FeCl3 (second stage) pretreatments on hemicellulose hydrolysis were investigated. A kinetic comparison between the single stage (FeCl3-only pretreatment) and the two-stage pretreatment was evaluated. Compared with single stage pretreatment, the two-stage pretreatment decreased the activation energy Ea of hemicellulose hydrolysis by 38.3% and decreased the optimal reaction time by 34.8%. Besides, the xylose content increased by 14.9% and the catalyst dosage decreased by 31.9% in the two-stage pretreatment. This study provided an efficient pretreatment process for hemicellulose hydrolysis.
引用
收藏
页码：1257 / 1269
页数：13
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