Slurry Impregnation of ZrO2 Extrudates: Controlled EggShell Distribution of MoO3, Hydrodesulfurization Activity, Promotion by Co

被引：0
|
作者：
Luděk Kaluža
Miroslav Zdražil
机构：
[1] Institute of Chemical Process Fundamentals of the Academy of Sciences of the Czech Republic,
[2] v.v.i.,undefined
来源：
Catalysis Letters | 2009年 / 127卷
关键词：
MoO; /ZrO; Eggshell Mo catalyst; CoMo/ZrO; CoMo/TiO; Slurry impregnation; Benzothiophene hydrodesulfurization;
D O I：
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中图分类号：
学科分类号：
摘要：
Catalysts with eggshell/uniform Mo concentration profiles were prepared by a reaction of ZrO2 and ZrO(OH)2 extrudates with an aqueous slurry of MoO3. The thickness of the shell was regulated by the amount of MoO3. CoCO3 was adsorbed onto MoO3/ZrO2 from its aqueous slurry. The ZrO2-supported catalysts were compared to their TiO2-supported and industrial reference Al2O3-supported counterparts in a model reaction of benzothiophene hydrodesulfurization.
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页码：368 / 376
页数：8
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