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.

引用

页码：607 / 612

页数：6

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