SMSI EFFECT IN THE BUTADIENE HYDROGENATION ON PD-CU BIMETALLIC CATALYSTS

被引：25
|
作者：
PEREIRA, MM
NORONHA, FB
SCHMAL, M
机构：
来源：
CATALYSIS TODAY | 1993年 / 16卷 / 3-4期
关键词：
D O I：
10.1016/0920-5861(93)80080-K
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Niobia Pd-Cu supported bimetallic catalysts have been studied in the 1,3-butadiene hydrogenation. On catalysts reduced at 573K, the addition of copper to palladium decreased the hydrogen adsorption capacity and the turnover frequency but increased the trans/cis 2-butene ratio. These results are ascribed to a bimetallic formation. After reduction at 773K. the hydrogen chemisorption and turnover frequency are drastically reduced due to SMSI effect. The 1,3-butadiene hydrogenation seems to be a structure sensitive reaction.
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收藏
页码：407 / 415
页数：9
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