Study of Supported Bimetallic Pd-Pt Catalysts. Characterization and Catalytic Activity for Toluene Hydrogenation

被引：0
|
作者：
C. Micheaud-Especel
D. Bazin
M. Guérin
P. Marécot
J. Barbier
机构：
[1] Université de Poitiers,Laboratoire de Catalyse en Chimie Organique, UMR CNRS 6503
[2] Université Paris-Sud,LURE
来源：
Reaction Kinetics and Catalysis Letters | 2000年 / 69卷
关键词：
Pd-Pt bimetallic catalysts; toluene hydrogenation; sulfur resistance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Bimetallic Pd-Pt catalysts were prepared either by a surface redox reaction (RC catalysts) or by coimpregnation (CI catalysts). RC bimetallic catalysts show a higher sulfur resistance in the course of toluene hydrogenation in the presence of thiophene compared to monometallic palladium and CI bimetallic catalysts. A characterization of the RC catalysts by IR and EXAFS allows to propose a structure of the Pd-Pt crystallites which would explain these results.
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页码：209 / 216
页数：7
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