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

被引：0
作者：
De-Run Hua [1 ,2 ]
Yu-Long Wu [2 ,3 ]
Yun-Feng Liu [2 ]
Yu Chen [2 ]
Ming-De Yang [1 ]
Xin-Ning Lu [2 ]
Jian Li [2 ]
机构：
[1] Chemical Institute of Chemical Industry,Gannan Normal University
[2] Beijing Engineering Research Center for Biofuels,Tsinghua University
[3] Institutes of Nuclear and New Energy Technology,Tsinghua University
来源：
Petroleum Science | 2016年 / 01期
基金：
中国国家自然科学基金;
关键词：
Xylose; Furfural; SO3H-SBA-15; Hightemperature water;
D O I：
暂无
中图分类号：
TQ251.11 []; O643.1 [化学动力学];
学科分类号：
070304 ; 0817 ; 081704 ;
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 at200 °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 k J/mol.The rate constant k showed a clear agreement with the Arrhenius law from160 to 200 °C.
引用
收藏
页码：167 / 172
页数：6
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