KINETICS, POISONING AND MASS-TRANSFER EFFECTS IN LIQUID-PHASE HYDROGENATIONS OF PHENOLIC COMPOUNDS OVER A PALLADIUM CATALYST

被引：42

作者：

ZWICKY, JJ ^{[1
]}

GUT, G ^{[1
]}

机构：

[1] ETH,TECH CHEM LAB,CH-8092 ZURICH,SWITZERLAND

来源：

CHEMICAL ENGINEERING SCIENCE | 1978年 / 33卷 / 10期

关键词：

D O I：

10.1016/0009-2509(78)85118-5

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The influence of poisoning and mass transport on the performance of a suspended palladium catalyst for the liquid-phase hydrogenation of o-cresol h for the various transport and reaction steps occuring in the three-phase slurry system and these were combined into an overall rate expression. From th analysed either by an experimental approach or by calculation. The hydrogenation in the absence of poison is described by a Langmuir-Hinshelwood adsorption model with adsorption of hydrogen and substrate on diffe present in the feed, the activity loss can be described by an extended model of the same type; experimental results show that the poison is very strong between poison and substrate on the remaining catalyst surface. The selectivity is not affected by increasing poison concentration. © 1978.

引用

页码：1363 / 1369

页数：7

共 16 条

[1] CARBON-SUPPORTED PLATINUM METAL CATALYSTS FOR HYDROGENATION REACTIONS - MASS-TRANSPORT EFFECTS IN LIQUID-PHASE HYDROGENATION OVER PD/C [J].