离子液体中超低浓度混合酸催化纤维素制5-羟甲基糠醛

化工进展 ›› 2015, Vol. 34 ›› Issue (s1): 121-126.

离子液体中超低浓度混合酸催化纤维素制5-羟甲基糠醛

李天程, 李强, 季更生, 赵翔, 张大钊, 闵文丽, 屠洁

江苏科技大学生物技术学院, 江苏镇江 212018

出版日期:2015-09-20 发布日期:2015-10-20
通讯作者: 李强,副教授,从事生物化工的研究。E-mail biojustlq@gmail.com。
作者简介:李天程(1989—),男,硕士研究生。
基金资助:
镇江市科技支撑项目(NY2013008)及江苏科技大学/蚕业研究所院所基金项目。

Catalytic conversion of cellulose into 5-hydroxymethylfurfural by extremely low mixed acids in ionic liquid

LI Tiancheng, LI Qiang, JI Gengsheng, ZHAO Xiang, ZHANG Dazhao, MIN Wenli, TU Jie

School of Biology Technology, Jiangsu University of Science and Technology, Zhenjiang 212018, Jiangsu, China

Online:2015-09-20 Published:2015-10-20

摘要/Abstract

摘要： 以绿色溶剂离子液体1-甲基-3-甲基咪唑磷酸二甲基盐(1-methyl-3-methyl-imidazole dimethyl phosphate,[DMIM][DMP])作为反应介质,研究超低浓度的混合酸——马来酸与盐酸(0.1%,质量分数)催化纤维素转化制备5-HMF。微波功率720W,反应时间9min,温度240℃,酸浓度0.1%,固液比1:50(质量比)为最佳反应条件,此条件下5-羟甲基糠醛的产率最高可达29.13%,转化效率为6.48mg/min。

关键词: 5-羟甲基糠醛, 离子液体, 纤维素, 催化, 混合酸

Abstract: An efficient process for preparation of 5-hydroxymethylfurfural (5-HMF) from cellulose was carried out using ionic liquid 1-methyl-3-methyl-imidazole dimethyl phosphate ([DMIM][DMP]) as reaction medium, extremely low 0.1% mixed acids (0.1%,maleic acid and HCl) as catalyst.Yield of 5-HMF was 29.13% and conversion efficiency was 6.48mg/min. The reaction condition of microwave was 720W for 9min at 240℃.The ratio of solid to liquid was 1:50(mass ratio) and acid concentration was 0.1%.

Key words: 5-hydroxymethylfurfural, ionic liquids, cellulose, catalysis, mixing acids

李天程, 李强, 季更生, 赵翔, 张大钊, 闵文丽, 屠洁. 离子液体中超低浓度混合酸催化纤维素制5-羟甲基糠醛[J]. 化工进展, 2015, 34(s1): 121-126.

LI Tiancheng, LI Qiang, JI Gengsheng, ZHAO Xiang, ZHANG Dazhao, MIN Wenli, TU Jie. Catalytic conversion of cellulose into 5-hydroxymethylfurfural by extremely low mixed acids in ionic liquid[J]. Chemical Industry and Engineering Progree, 2015, 34(s1): 121-126.

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