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;
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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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