SELECTIVITY ASPECTS OF USING THE CROSS-FLOW CATALYST REACTOR FOR LIQUID-PHASE HYDROGENATIONS.

被引：0

作者：

de Vos, Rolf ^{[1
]}

Smedler, Gudmund ^{[1
]}

Schoon, Nils-Herman ^{[1
]}

机构：

[1] Chalmers Univ of Technology, Dep of, Chemical Reaction Engineering,, Goteborg, Swed, Chalmers Univ of Technology, Dep of Chemical Reaction Engineering, Goteborg, Swed

来源：

Industrial & Engineering Chemistry, Process Design and Development | 1986年 / 25卷 / 01期

关键词：

CATALYSTS - Rhodium - CHEMICAL EQUIPMENT - Reactors;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Liquid-phase hydrogenation of p-xylene, m-xylene, and 1,4-di-tert-butylbenzene in cyclohexane was performed in a cross-flow catalyst reactor and in a slurry reactor with deposited rhodium as the active metal. The quite different distributions of products obtained in hydrogenation of 1,4-di-tert-butylbenzene in the two reactors were explained on the basis of a reaction mechanism including different modes of adsorption of the reactants. The different competition behavior of chemisorption, together with the particular concentration profiles in the porous plates of the cross-flow catalyst, strongly supported the formation of the cis isomer of 1,4-di-tert-butylcyclohexane compared to this formation in the slurry reactor.

引用

页码：197 / 202

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