Preparation of furfural and reaction kinetics of xylose dehydration to furfural in high-temperature water

被引：23
作者：
Hua, De-Run [1 ,2 ]
Wu, Yu-Long [2 ,3 ]
Liu, Yun-Feng [2 ]
Chen, Yu [2 ]
Yang, Ming-De [1 ]
Lu, Xin-Ning [2 ]
Li, Jian [2 ]
机构：
[1] Gannan Normal Univ, Chem Inst Chem Ind, Ganzhou 341000, Jiangxi, Peoples R China
[2] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China
[3] Tsinghua Univ, Beijing Engn Res Ctr Biofuels, Beijing 100084, Peoples R China
来源：
PETROLEUM SCIENCE | 2016年 / 13卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Xylose; Furfural; SO3H-SBA-15; High-temperature water; AQUEOUS-PHASE DEHYDRATION; ACID; CONVERSION; CATALYSTS; ALKANES;
D O I：
10.1007/s12182-015-0069-y
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Factors influencing dehydration of xylose to furfural, such as catalyst and extract agents, were investigated. Results indicated that high-temperature water may substitute for solid and liquid acid as a catalyst, and ethyl butyrate improved furfural yield for the high distribution coefficient. A furfural yield of 75 % was obtained at 200 A degrees C for 3 h in ethyl butyrate/water. The reaction kinetics of xylose dehydration to furfural was investigated and it was found that the reaction order was 0.5, and the activation energy was 68.5 kJ/mol. The rate constant k showed a clear agreement with the Arrhenius law from 160 to 200 degrees C.
引用
收藏
页码：167 / 172
页数：6
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