CARBON-MONOXIDE HYDROGENATION OVER CARBON-SUPPORTED COBALT OR RUTHENIUM CATALYSTS - PROMOTING EFFECTS OF MAGNESIUM, VANADIUM AND CERIUM OXIDES

被引:79
作者
GUERRERORUIZ, A [1 ]
SEPULVEDAESCRIBANO, A [1 ]
RODRIGUEZRAMOS, I [1 ]
机构
[1] CSIC,INST CATALISIS & PETROLEOQUIM,E-28049 MADRID,SPAIN
关键词
CARBON MONOXIDE HYDROGENATION; CERIA PROMOTER; COBALT CARBON CATALYSTS; MAGNESIA PROMOTER; RUTHENIUM CARBON; TEMPERATURE-PROGRAMMED REDUCTION; VANADIA PROMOTER;
D O I
10.1016/0926-860X(94)80334-X
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 promoting effects of magnesium, vanadium and cerium oxides on cobalt and ruthenium/carbon catalysts in the hydrogenation of carbon monoxide have been compared. The reducibility of the promoted and unpromoted catalysts was investigated by temperature-programmed reduction. In all cases the added oxide promoter enhanced the specific activity and the selectivity for alkenes and long chain hydrocarbons. These results are discussed on the basis of a general mechanism of promotion.
引用
收藏
页码:71 / 83
页数:13
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