OXIDATIVE DEHYDROGENATION OF PROPANE OVER MAGNESIUM MOLYBDATE CATALYSTS

被引:41
|
作者
YOON, YS
UEDA, W
MOROOKA, Y
机构
[1] TOKYO INST TECHNOL, RESOURCES UTILIZAT RES LAB, MIDORI KU, YOKOHAMA, KANAGAWA 226, JAPAN
[2] TOKYO INST TECHNOL, DEPT ENVIRONM CHEM & ENGN, MIDORI KU, YOKOHAMA, KANAGAWA 226, JAPAN
关键词
MAGNESIUM MOLYBDATES; OXIDATIVE DEHYDROGENATION OF PROPANE; ACIDIC PROPERTIES; LATTICE OXIDE IONS;
D O I
10.1007/BF00807004
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
Catalytic activities of magnesium molybdates were investigated for the oxidative dehydrogenation of propane with and without molecular oxygen under atmospheric pressure. Catalytic properties drastically changed with the catalyst composition, and it turned out that Mg0.95MoOx catalysts having slight excess molybdenum showed the highest activity in the oxidative dehydrogenation of propane, which gave 61% selectivity to propene at 22% conversion of propane at 515 degrees C. The catalytic activities strongly depended on the acidic properties of the catalysts. It was also revealed that the lattice oxide ions of the catalysts participated as an active oxygen in the oxidative dehydrogenation of propane.
引用
收藏
页码:57 / 64
页数:8
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