Efficient Fractionation of Corn Stover by Bisulfite Pretreatment for the Production of Bioethanol and High Value Products

被引：6

作者：

Tan, Liping ^{[1
,2
]}

Liu, Zhongyang ^{[2
]}

Liu, Tongjun ^{[1
,2
]}

Wang, Fangfang ^{[1
]}

机构：

[1] Qilu Univ Technol, Shandong Acad Sci, State Key Lab Biobased Mat & Green Papermaking, Jinan 250353, Shandong, Peoples R China

[2] Qilu Univ Technol, Shandong Acad Sci, Dept Bioengn, Shandong Prov Key Lab Microbial Engn, Jinan 250353, Shandong, Peoples R China

来源：

BIORESOURCES | 2019年 / 14卷 / 03期

关键词：

Corn stover; Bioethanol; Bisulfite pretreatment; Lignosulfonate; Biorefinery; EMPTY FRUIT BUNCH; FUEL ETHANOL-PRODUCTION; ENZYMATIC-HYDROLYSIS; OIL PALM; LIGNOCELLULOSIC BIOMASS; ACID; BIOREFINERY; POPLAR; SUGARS; SACCHARIFICATION;

D O I：

10.15376/biores.14.3.6501-6515

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：

Fractionation of corn stover (CS) was carried out by bisulfite pretreatment in order to improve the production of bioethanol and high-value chemicals. Firstly, the optimum bisulfite pretreatment conditions of CS (170 degrees C, 30 min, 7% NaHSO3, 1% H2SO4) were identified. Next, a biorefinery process of bisulfite pretreatment for CS was proposed. CS was separated into solid and liquor components using such pretreatment. The solid components were employed for bioethanol production by quasi-simultaneous saccharification and fermentation (Q-SSF). The bisulfite liquor was fractionated into hemicellulosic sugars and lignin by different types of resins. It was shown that CS components could be effectively fractionated through bisulfite pretreatment in combination with resin separation to produce bioethanol, hemicellulosic sugars, and lignosulfonate.

引用

页码：6501 / 6515

页数：15

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