FACTORS INFLUENCING THE CATALYTIC ACTIVITY OF TITANIUM SILICALITES IN SELECTIVE OXIDATIONS

被引：119

作者：

HUYBRECHTS, DRC

VAESEN, I

LI, HX

JACOBS, PA

机构：

[1] K. U. Leuven, Dept. Biotechnische Wetenschappen, Centrum voor Oppervlaktechemie en Catalyse, Heverlee (Leuven), B-3001

来源：

CATALYSIS LETTERS | 1991年 / 8卷 / 2-4期

关键词：

TITANIUM SILICALITE; OXIDATION CATALYST; HYDROGEN PEROXIDE ADSORPTION; IR; DRS;

D O I：

10.1007/BF00764122

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：

Titanium silicalites synthesized via different procedures are tested in the oxidation of phenol, 1-octene and n-hexane by aqueous H2O2. It is shown that the presence of titanyl groups, on which H2O2 is activated by formation of titanium peroxo complexes, is a prerequisite for oxygenation activity. Furthermore, in order to afford high selectivities, titanium silicalities should be free of impurities which cause acid catalyzed side reactions or H2O2 decomposition.

引用

页码：237 / 244

页数：8

共 18 条

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