ETHYLENE ADDITION TO CO HYDROGENATION OVER SULFIDED NI, RH, AND RU

被引：21

作者：

CHUANG, SSC

PIEN, SI

SZE, C

机构：

[1] Department of Chemical Engineering, University of Akron, Akron

来源：

JOURNAL OF CATALYSIS | 1990年 / 126卷 / 01期

关键词：

D O I：

10.1016/0021-9517(90)90056-P

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：

The effect of H2S on ethylene addition to CO hydrogenation has been studied over Ni/SiO2, Rh/ SiO2, and Ru/SiO2 catalysts at 300°C and 10 atm. The major products of the ethylene addition on the unsulfided catalysts are ethane and propionaldehyde which result from ethylene hydrogenation and the insertion of CO into adsorbed ethylene species, respectively. Sulfidation of the catalysts led to the suppression of ethylene hydrogenation and CO hydrogenation. CO insertion over Ni/SiO2 and Rh/SiO2 catalysts was insensitive to sulfidation, whereas CO insertion on Ru/SiO2 was inhibited by sulfidation. Infrared studies of CO adsorption reveal that sulfidation of the catalysts led to the disruption of neighboring surface atoms for bridge CO resulting in the formation of isolated atom sites which maybe responsible for CO insertion on the sulfided Ni and Rh catalysts. © 1990.

引用

页码：187 / 191

页数：5

共 35 条

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