Highly selective propene epoxidation with hydrogen/oxygen mixtures over titania-supported silver catalysts

被引：88
|
作者：
de Oliveira, AL [1 ]
Wolf, A [1 ]
Schüth, F [1 ]
机构：
[1] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany
来源：
CATALYSIS LETTERS | 2001年 / 73卷 / 2-4期
关键词：
propene oxide; alkylene oxides; CO oxidation; epoxidation; silver; titania;
D O I：
10.1023/A:1016641708074
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Silver supported on titania was found to be active for propene epoxidation using hydrogen/oxygen mixtures at 50 degreesC. The dependence of the activity on the preparative method is pronounced, i.e.. only catalysts prepared by using deposition-precipitation exhibit activity. Optimum performance was found for 2 wt% Ag/TiO2 calcined at 400 degreesC. The propene epoxidation activity, the activity in the low-temperature CO oxidation, in propane oxidation and deactivation behavior of these silver catalysts strongly resemble the results obtained for the Au/TiO2 catalysts developed by Haruta.
引用
收藏
页码：157 / 160
页数：4
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