Hydrogenation of benzene to cyclohexene over polymer-supported ruthenium catalysts

被引：38
|
作者：
Hronec, M
Cvengrosova, Z
Kralik, M
Palma, G
Corain, B
机构：
[1] UNIV PADUA, DIPARTIMENTO CHIM FIS, I-35131 PADUA, ITALY
[2] UNIV LAQUILA, DIPARTIMENTO INGN CHIM & MAT, I-67010 LAQUILA, ITALY
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 1996年 / 105卷 / 1-2期
关键词：
hydrogenation; benzene; cyclohexene; liquid phase; ruthenium; polymeric support; supported catalysts;
D O I：
10.1016/1381-1169(95)00184-0
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：
Partial liquid-phase hydrogenation of benzene to cyclohexene over ruthenium catalysts supported on charcoal and anionic cross-linked polymers is described. The influence of the polarity of polymeric supports, nature of the solvent and the presence of zinc additives on the performance of the catalyst in a glass-lined reactor at 100-110 degrees C and a pressure of 1.5 MPa have been studied. It has been found that at 42-47% conversion of benzene, the selectivity to cyclohexene, observed in water with Ru catalysts supported on a strongly hydrophilic microporous resin, is higher than that displayed by Ru supported on charcoal. The effect of water on the performance of the catalyst is probably a result of formation of a suitable environment around Ru particles acid of a good accessibility of metal particles dispersed within the hydrophilic polymer support.
引用
收藏
页码：25 / 30
页数：6
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