OXIDATIVE DEHYDROGENATION OF ETHANE TO ETHYLENE OVER ANTIMONY-CONTAINING KEGGIN-TYPE HETEROPOLYOXOMOLYBDATES

被引:28
作者
CAVANI, F
KOUTYREV, M
TRIFIRO, F
机构
[1] Dipartimento di Chimica Industriale e dei Materiali, 40136 Bologna
关键词
D O I
10.1016/0920-5861(95)00060-S
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The addition of antimony ions to the potassium/ammonium salts of the 12-molybdophosphoric acid greatly enhanced the thermal structural stability of the Keggin-type heteropolyoxometalates. This unexpected property allowed to employ these materials as catalysts for the oxidative dehydrogenation of ethane to ethylene, a reaction which requires high temperatures. The doping of the compounds with other metal ions increased the activity and the selectivity to ethylene.
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页码:365 / 368
页数:4
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