Study of the acid-base properties of SiO2-supported NiMoO4 catalysts by temperature-programmed desorption.: Effect of the active phase content

被引:10
|
作者
Zavoianu, R [1 ]
Dias, CR [1 ]
Portela, MF [1 ]
机构
[1] Univ Tecn Lisboa, Inst Super Tecn, GRECAT, P-1049001 Lisbon, Portugal
来源
REACTION KINETICS AND CATALYSIS LETTERS | 2001年 / 72卷 / 02期
关键词
TPD-NH3; TPD-CO2; nickel molybdate; silica;
D O I
10.1023/A:1010566107189
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 acid-base properties of a series of SiO2-supported NiMoO4 catalysts were investigated by temperature-programmed desorption of NH3 and CO2. Results show that supported catalysts with ca. one monolayer of the active phase are less acidic than the unsupported stoichiometric NiMoO4.
引用
收藏
页码:201 / 208
页数:8
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