An efficient process for dehydration of xylose to furfural catalyzed by inorganic salts in water/dimethyl sulfoxide system

被引：32

作者：

Wang, Wenju ^{[1
]}

Li, Huiling ^{[1
]}

Ren, Junli ^{[1
]}

Sun, Runcang ^{[1
,2
]}

Zheng, Jie ^{[3
]}

Sun, Guangwei ^{[3
]}

Liu, Shijie ^{[1
]}

机构：

[1] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Guangdong, Peoples R China

[2] Beijing Forestry Univ, Inst Biomass Chem & Technol, Beijing 100083, Peoples R China

[3] Dalian Polytech Univ, Liaoning Key Lab Pulp & Paper Engn, Dalian 116034, Liaoning, Peoples R China

来源：

CHINESE JOURNAL OF CATALYSIS | 2014年 / 35卷 / 05期

关键词：

Xylose; Furfural; Inorganic salt; Stannic chloride; Lithium chloride; Dimethyl sulfoxide; LIGNOCELLULOSIC BIOMASS; CONVERSION; HYDROLYSIS; CELLULOSE; PENTOSES; SUGARS; XYLAN; ACID;

D O I：

10.1016/S1872-2067(14)60031-0

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

An efficient homogeneous catalytic process was developed for the dehydration of xylose to furfural using inorganic salts as catalysts in a water/dimethyl sulfoxide (DMSO) system under mild condition. The effects of the types of inorganic salts were compared. The results showed that chlorides had higher catalytic performance than other salts, and SnCl4 was the most effective chloride. The catalytic activity of paired SnCl4/LiCl catalysts was much higher than that of the single salt, and when the distribution coefficient (chi(SnCl4)) was 0.8, the maximum furfural yield was 56.9%. The effects of the reaction conditions on the furfural yield were also investigated. The highest furfural yield, 63.0%, was achieved at 130 degrees C for 6 h under the optimized reaction conditions. (c) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

引用

页码：741 / 747

页数：7

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