Oxidative dehydrogenation of propane on supported molybdena catalysts: Effect of the support nature and of additives

被引：0
|
作者：
Klisinska, A [1 ]
Samson, K [1 ]
Grzybowska, B [1 ]
机构：
[1] Polish Acad Sci, Inst Catalysis & Surface Chem, PL-30239 Krakow, Poland
来源：
POLISH JOURNAL OF CHEMISTRY | 2003年 / 77卷 / 12期
关键词：
supported molybdena catalysts; additives; propane oxidative dehydrogenation;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Oxidative dehydrogenation of propane has been studied on molybdena deposited on SiO2, Al2O3, TiO2, and MgO. The catalytic performance depended on the support nature, the selectivity to propene at iso-conversion decreasing in the sequence: MoOx/SiO2 > MoOx/Al2O3 similar to MoOx/TiO2 > MoOx/MgO. Introduction of the K, Cr, Ni and V additives to MoOx/SiO2 and Cr to MoOx/MgO catalysts led to the increase of the total activity. The increase of the selectivity to propene was observed for the Cr and Ni additives, whereas the K and V in the MoOx/SiO2 catalysts decreased the selectivity (K and higher amounts of V), or did not affect it (lower amounts of vanadium).
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收藏
页码：1867 / 1874
页数：8
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