Conversion of corn stalk into furfural using a novel heterogeneous strong acid catalyst in γ-valerolactone

被引：96

作者：

Xu, Zhiping ^{[1
]}

Li, Wenzhi ^{[2
]}

Du, Zhijie ^{[2
]}

Wu, Hao ^{[2
]}

Jameel, Hasan ^{[3
]}

Chang, Hou-min ^{[3
]}

Ma, Longlong ^{[4
]}

机构：

[1] Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China

[2] Univ Sci & Technol China, Dept Thermal Sci & Energy Engn, Hefei 230026, Peoples R China

[3] N Carolina State Univ, Dept Forest Biomat, Raleigh, NC 27695 USA

[4] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2015年 / 198卷

关键词：

Furfural; Xylose; Corn stalk; PTSA-POM catalyst; gamma-Valerolactone; D-XYLOSE; SELECTIVE CONVERSION; SUGAR PRODUCTION; BIOMASS; HEMICELLULOSE; XYLAN; PRETREATMENT; DEHYDRATION; CELLULOSE; HYDROGENATION;

D O I：

10.1016/j.biortech.2015.09.104

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

A novel solid acid catalyst was prepared by the copolymerization of p-toluenesulfonic acid and paraformaldehyde and then characterized by FT-IR, TG/DTG, HRTEM and N-2-BET. Furfural was successfully produced by the dehydration of xylose and xylan using the novel catalyst in gamma-valerolactone. This investigation focused on effects of various reaction conditions including solvent, acid catalyst, reaction temperature, residence time, water concentration, xylose loading and catalyst dosage on the dehydration of xylose to furfural. It was found that the solid catalyst displayed extremely high activity for furfural production. 80.4% furfural yield with 98.8% xylose conversion was achieved at 170 degrees C for 10 min. The catalyst could be recycled at least five times without significant loss of activity. Furthermore, 83.5% furfural yield and 19.5% HMF yield were obtained from raw corn stalk under more severe conditions (190 degrees C for 100 min). (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：764 / 771

页数：8

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