Effect of electron irradiation on the catalytic properties of supported Pd catalysts

被引：0
|
作者：
A. S. Pribytkov
G. N. Baeva
N. S. Telegina
A. L. Tarasov
A. Yu. Stakheev
A. V. Tel’nov
V. N. Golubeva
机构：
[1] Russian Academy of Sciences,Zelinskii Institute of Organic Chemistry
[2] All-Russia Research Institute of Experimental Physics,Russian Federal Nuclear Center
来源：
Kinetics and Catalysis | 2006年 / 47卷
关键词：
Palladium; Irradiation Dose; Reduction Temperature; Electron Irradiation; Unirradiated Sample;
D O I：
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中图分类号：
学科分类号：
摘要：
The effect of electron irradiation on the properties of the systems 1% Pd/C, 1% Pd/Al2O3, and 1% Pd/TiO2 is studied in gas-phase and liquid-phase toluene hydrogenation. An increase in the irradiation dose to 120–900 Mrad increases the catalytic activity by a factor of 2–8 relative to that of the original system. XPS data for the Pd/C catalyst suggest that, after irradiation with high-energy electrons, the metal particles are stabilized on the surface of the carbon support, their degree of dispersion is increased, and their sintering is suppressed. These inferences are consistent with the observed changes in catalytic properties.
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页码：765 / 769
页数：4
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