Reaction between glycerol and acetone in the presence of ethylene glycol

被引：0
作者：
D. N. Ramazanov
A. Dzhumbe
A. I. Nekhaev
V. O. Samoilov
A. L. Maximov
E. V. Egorova
机构：
[1] Russian Academy of Sciences,Topchiev Institute of Petrochemical Synthesis
[2] Lomonosov Moscow State University of Fine Chemical Technology,undefined
来源：
Petroleum Chemistry | 2015年 / 55卷
关键词：
acetalization; glycerol; ethylene glycol; zeolites; cation-exchange resins;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The acetalization of glycerol with acetone in the presence of ethylene glycol over KU-2 and Amberlyst 70 cation-exchange resins and β and Y zeolites has been studied. It has been shown that the rates of conversion of glycerol and ethylene glycol over the cation-exchange resins are significantly lower than over the zeolites. The rates of conversion of the polyols over the β zeolite are lower than over the Y zeolite. Conditions for the complete conversion of glycerol to acetal have been found. The turnover number (TON) per acid site have been determined; for example, TON = 640 min−1 for glycerol over the Y zeolite. The activation energy is 19.9 and 46.2 kJ/mol for ethylene glycol and glycerol, respectively.
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页码：140 / 145
页数：5
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