Effect of preparation on Ru-Zn ultrafine catalysts in partial hydrogenation of benzene

被引：34

作者：

Hu, SC ^{[1
]}

Chen, YW ^{[1
]}

机构：

[1] Natl Cent Univ, Dept Chem Engn, Chungli 32054, Taiwan

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2001年 / 40卷 / 14期

关键词：

D O I：

10.1021/ie000878z

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A series of ultrafine Ru-Zn catalysts have been prepared with direct reduction and hydroxide methods with various Ru/Zn ratios. Sodium borohydride was used as a reducing agent to avoid the agglomeration problem posed by the high reduction temperature when using hydrogen as a reducing agent. The preparation method has a great effect on the composition and surface area of the catalyst. The catalysts prepared with the hydroxide method gave a lower surface area. However, it showed high activity of benzene disappearance. The performance of Ru-Zn catalysts prepared with the hydroxide method display a more distinctive behavior in benzene hydrogenation upon variation of the atomic ratio of ruthenium to zinc. The catalysts prepared with the hydroxide method were more selective to cyclohexene than those prepared with the direct reduction method. The Ru/Zn ratio also has a great influence on the selectivity to cyclohexene.

引用

页码：3127 / 3132

页数：6

共 15 条

[1] PARTIAL HYDROGENATION OF BENZENE TO CYCLOHEXENE IN A CONTINUOUSLY OPERATED SLURRY REACTOR [J].