Liquid phase catalytic dehydration of glycerol to acrolein over Bronsted acidic ionic liquid catalysts

被引:26
|
作者
Shen, Lingqin [1 ]
Yin, Hengbo [1 ]
Wang, Aili [1 ]
Lu, Xiufeng [1 ]
Zhang, Changhua [1 ]
Chen, Fen [1 ]
Wang, Yuting [1 ]
Chen, Huijuan [1 ]
机构
[1] Jiangsu Univ, Fac Chem & Chem Engn, Zhenjiang 212013, Peoples R China
关键词
Acrolein; Glycerol; Bronsted acidic ionic liquid; Dehydration; SUSTAINABLE PRODUCTION; CONVERSION; EFFICIENT; SOLVENT;
D O I
10.1016/j.jiec.2013.06.004
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Liquid phase dehydration of glycerol to acrolein catalyzed by Bronsted acidic ionic liquids (BAILs) using semi-batch reaction technique was investigated. For the BAILs catalysts, the acrolein yields were in an order of [Bmim]H2PO4 > [Bmim]HSO4 > [BPy]HSO4 > [PSPy]HSO4 > [N-2224]HSO4 > [PSPy]H2PO4 > [BPy]H2PO4 > [N-2224]H2PO4. When [Bmim]H2PO4 and [Bmim]HSO4 were used as the catalysts at 270 degrees C with the molar ratio of catalyst to glycerol of 1:100, the acrolein yields were 57.4% and 50.8%, respectively, at complete conversion of glycerol. The BAILS with [Bmim] cation and moderate acidity favored the formation of acrolein in liquid phase glycerol dehydration. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:759 / 766
页数:8
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