N-HEXANE CRACKING OVER HETEROPOLY ACIDS .3. SILICA SUPPORTED HETEROPOLY ACIDS

被引：15
|
作者：
OULMEKKI, A [1 ]
LEFEBVRE, F [1 ]
机构：
[1] INST RECH CATALYSE,2 AVE ALBERT EINSTEIN,F-69626 VILLEURBANNE,FRANCE
来源：
REACTION KINETICS AND CATALYSIS LETTERS | 1992年 / 48卷 / 02期
关键词：
D O I：
10.1007/BF02162715
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：
Silica supported heteropoly acids are active in n-hexane cracking, while the pure compounds (except H3PW12O40) are inactive. This result is explained by a partial transformation of H6P2W18O62 and H6P2W21O71 (H2O)3 into H3PW12O40. In the case of H4SiW12O40, the polyanion in interaction with silica leads to superacidic species upon thermal treatment.
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页码：607 / 612
页数：6
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