Transesterification of glycerol with dimethyl carbonate over Mg-Al hydrotalcites

被引：40
|
作者：
Zheng, Liping [1 ]
Xia, Shuixin [1 ]
Hou, Zhaotong [2 ]
Zhang, Mengyuan [1 ]
Hou, Zhaoyin [1 ]
机构：
[1] Zhejiang Univ, Dept Chem, Inst Catalysis, Hangzhou 310028, Zhejiang, Peoples R China
[2] Jiangsu Changlong Chem Co, Changzhou 213031, Jiangsu, Peoples R China
来源：
CHINESE JOURNAL OF CATALYSIS | 2014年 / 35卷 / 03期
关键词：
Glycerol; Glycerol carbonate; Transesterification; Magnesium-Aluminum hydrotalcite; CATALYST; HYDROGENOLYSIS; DEHYDRATION; REACTIVITY; OXIDATION; OXIDE;
D O I：
10.1016/S1872-2067(12)60738-4
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Glycerol carbonate (GC) was synthesized via the catalytic transesterification of glycerol with dimethyl carbonate over a series of Mg-Al hydrotalcites with different Mg/Al ratios (0.5-6) under mild conditions. All catalysts exhibited a high selectivity toward GC. The sample with Mg/Al = 2 exhibited 97.1% of selectivity toward GC and 66.9% of glycerol conversion at 70 degrees C for 3 h. Characterization results indicated that the activity of calcined Mg-Al hydrotalcites depended mainly on the surface area, pore diameter, and crystallinity. (c) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：310 / 318
页数：9
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