Influence of preparation on the structure and CO conversion of γ-Bi2MoO6 catalysts

被引:5
作者
Galván, DH
Castillón, FF
Gómez, LA
Avalos-Borja, M
Cota, L
Fuentes, S
Bartolo-Pérez, P
Maple, MB
机构
[1] UNAM, CCMC, San Ysidro, CA 92143 USA
[2] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
[3] IPN, CINVESTAV, Unidad Merida, Dept Fis Aplicada, Merida Yucatan, Mexico
[4] Dept & Inst Pure & Appl Phys Sci, La Jolla, CA USA
来源
REACTION KINETICS AND CATALYSIS LETTERS | 1999年 / 67卷 / 01期
关键词
Bi-Mo catalysts; CO oxidation;
D O I
10.1007/BF02475849
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 treatment conditions during preparation and activation of gamma-Bi2MoO6 catalysts was investigated. Catalytic evaluation shows that CO conversion is much higher for catalysts obtained under vapor controlled evaporation conditions (CE) than for standard evaporation catalysts (SE). Characterization results show that preparation under SE conditions induces segregation of Bi2O3 On the surface of Bi2MoO6 catalysts decreasing their catalytic activity. Catalysts treatment under hydrogen reactivates the catalytic properties of SE samples.
引用
收藏
页码:205 / 211
页数:7
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