SURFACE COPPER ENRICHMENT BY REDUCTION OF COPPER CHROMITE CATALYST EMPLOYED FOR CARBON-MONOXIDE OXIDATION

被引:35
作者
LAINE, J
BRITO, J
SEVERINO, F
CASTRO, G
TACCONI, P
YUNES, S
CRUZ, J
机构
[1] UNIV CENT VENEZUELA,FIS SUPERFICIES LAB,CARACAS 1020-A,VENEZUELA
[2] INST TECNOL VENEZOLANO PETROLEO,CATALISIS APLICADA,CARACAS 1070-A,VENEZUELA
关键词
carbon monoxide oxidation; copper-chromite catalyst; Reduction of copper-chromite; surface Cu-enrichments;
D O I
10.1007/BF00772092
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 prereduction on CO oxidation activity of unsupported copper-chromite oxide catalysts was examined. Results were found to be in good agreement with two mechanisms for a surface copper enrichment due to CO prereduction which produced an activity increase in the copper-chromite catalyst. © 1990 J.C. Baltzer A.G. Scientific Publishing Company.
引用
收藏
页码:45 / 54
页数:10
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