LIQUID-PHASE HYDROGENATION OF BENZONITRILE OVER PT AND PT-SN CATALYSTS

被引：16

作者：

GALVAGNO, S ^{[1
]}

DONATO, A ^{[1
]}

NERI, G ^{[1
]}

PIETROPAOLO, R ^{[1
]}

机构：

[1] UNIV REGGIO CALABRIA,FAC INGN,I-89100 REGGIO CALABRIA,ITALY

来源：

JOURNAL OF MOLECULAR CATALYSIS | 1990年 / 58卷 / 02期

关键词：

D O I：

10.1016/0304-5102(90)85041-F

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：

Hydrogenation of benzonitrile has been studied over supported Pt and Pt-Sn catalysts. The effect of platinum particle size on the rate of Hydrogenation has been also investigated. Dibenzylamine is preferentially formed on all catalyst samples with a selectivity which is little influenced by the level of conversion, platinum particle size and Pt/Sn ratio. In the range of experimental conditions used, the rate of reaction does not depend on the platinum particle size and therefore the Hydrogenation of benzonitrile can be considered a structure-insensitive reaction. Addition of tin ions to platinum leads to an increase in the rate of reaction at lower tin content, whereas a decrease in rate is observed at the highest Sn/Pt ratios. It is suggested that the presence of tin ions enhances the reactivity of the CN group. © 1990.

引用

页码：215 / 225

页数：11

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