IR study of the secondary reaction of ethylene oxide over silver catalyst supported on mesoporous material

被引：8
|
作者：
Jung, KH [1 ]
Chung, KH [1 ]
Kim, MY [1 ]
Kim, JH [1 ]
Seo, G [1 ]
机构：
[1] Honam Petrochem Co Ltd, Yeochon 555200, Chonnam, South Korea
来源：
KOREAN JOURNAL OF CHEMICAL ENGINEERING | 1999年 / 16卷 / 03期
关键词：
ethylene oxide; partial oxidation; silver catalyst; MCM-41 mesoporous material; silane modification;
D O I：
10.1007/BF02707132
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The secondary reaction of ethylene oxide over silver catalyst supported on MCM-41 mesoporous material was investigated by the in-situ IR method. MCM-41 mesoporous material with a large content of hydroxyl group was very active in catalyzing the isomerization of ethylene oxide to acetaldehyde. The reduction of hydroxyl group by silane treatment or silver loading suppressed the isomerization of ethylene oxide. The selectivity for ethylene oxide in the partial oxidation of ethylene is enhanced by silane modification, revealing the acceleration of the consumption of ethylene oxide on the hydroxyl group.
引用
收藏
页码：396 / 400
页数：5
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