C-2 OXYGENATE SYNTHESIS FROM CO HYDROGENATION ON AGRH/SIO2

被引：26

作者：

CHUANG, SSC

PIEN, SI

NARAYANAN, R

机构：

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

来源：

APPLIED CATALYSIS | 1990年 / 57卷 / 02期

关键词：

D O I：

10.1016/S0166-9834(00)80736-8

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 silver on carbon monoxide hydrogenation over Rh/SiO2 has been studied. Silver is found to decrease the rates of formation for methane and C2+ hydrocarbons more than those for C2 oxygenates resulting in a marked increase in C2 oxygenate selectivity. Infrared spectroscopic studies reveal that Ag blocks the bridge-CO sites. Ethylene addition studies show that Ag promotes carbon monoxide insertion and suppresses hydrogenation. The results suggest that the number of Rh atoms required for carbon monoxide insertion may be less than that for hydrogenation and methanation. © 1990.

引用

页码：241 / 251

页数：11

共 31 条

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