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Preparation of furfural and reaction kinetics of xylose dehydration to furfural in high-temperature water
  • 时间：0
  • 分类：O643.1[理学—物理化学;理学—化学] TG172.9[金属学及工艺—金属表面处理;金属学及工艺—金属学]
  • 作者机构：[1]Chemical Institute of Chemical Industry, Gannan Normal University, Jiangxi 341000, China, [2]Institutes of Nuclear and New Energy Technology, TsinghuaUniversity, Beijing 100084, China, [3]Beijing Engineering Research Center for Biofuels, TsinghuaUniversity, Beijing 100084, China
  • 相关基金：supported by the National Natural Science Foundation of China (No.21376136,No.21176142,No.21376140,No.21176142,and No.21466001);Program for Changjiang Scholars and Innovative Research Team in University (IRT13026)
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]
关键词： 反应动力学, 高温水, 脱水, 糠醛, 木糖, 丁酸乙酯, 阿伦尼乌斯, 分配系数, kinetics dehydration Arrhenius removed biomass hydrolysis residence toluene purification attributed
中文摘要：

影响木糖的脱水到糠醛的因素例如催化剂和摘录代理人，被调查。结果显示高温度的水可以作为催化剂代替固体和液体酸，并且乙醇丁酸盐为高分发系数改进了糠醛产量。75 的糠醛收益 ?% 在 200 点被获得 ?? 景？

英文摘要：

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.

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