Oxidative dehydrogenation of ethane over ternary Mo-V-Nb catalysts

被引：0
|
作者：
SaberiMoghaddam, A [1 ]
Adesina, AA [1 ]
Trimm, DL [1 ]
机构：
[1] UNIV NEW S WALES,SCH CHEM ENGN & IND CHEM,SYDNEY,NSW 2052,AUSTRALIA
来源：
SCIENCE AND TECHNOLOGY IN CATALYSIS 1994 | 1995年 / 92卷
关键词：
D O I：
暂无
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 oxidative dehydrogenation of ethane over gamma-alumina supported catalysts at 633-773 K and 101 kPa showed that the best activities and selectivities for ethylene production were obtained over 7Mo:7V:1Nb, 7.6Mo:3.9V:1Nb and 6Mo:3V:1Nb samples. Reaction kinetics over the 6Mo:3V:1Nb catalyst indicated a 1st order dependency on C2H6 partial pressure and fractional order (ca. 0.1) on O-2 partial pressure. Ethylene and CO appeared to be the primary products of reaction. A mechanism involving the interaction of gas phase ethane with lattice oxygen to produce intermediates which are precursors for C2H4 and other partial oxidation products is proposed.
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页码：197 / 202
页数：6
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