Molybdenum incorporated silicalite as catalyst for epoxidation of olefins

被引：37
|
作者：
Masteri-Farahani, M
Farzaneh, F [1 ]
Ghandi, M
机构：
[1] Univ Tehran, Dept Chem, Tehran, Iran
[2] Univ Azzahra, Dept Chem, Tehran, Iran
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2003年 / 192卷 / 1-2期
关键词：
epoxidation; olefins; molybdenum; silicalite;
D O I：
10.1016/S1381-1169(02)00325-4
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：
In this research, synthesis of silicalite containing small amount of molybdenum is described. Characterization of this zeolite was carried out with Fr-IR, atomic absorption spectroscopy, X-ray powder diffraction (XRD) and scanning electron microscopy (SEM). In order to increase molybdenum content in zeolite structure with grafting method, the prepared silicalite-1 underwent reaction with molybdenum hexacarbonyl at high temperature. The incorporation of molybdenum in the structure was increased to 11%. The modified zeolite catalyzed the epoxidation of olefins (cyclohexene and trans-2-hexene-1-ol) with about 90% yield and 98% selectivity. (C) 2002 Elsevier Science B.V All rights reserved.
引用
收藏
页码：103 / 111
页数：9
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