TUNGSTEN CARBIDES AS SUBSTITUTES OF PLATINOIDS IN HETEROGENEOUS CATALYSIS .1. THE EFFECT OF SURFACE-COMPOSITION ON THE REACTIVITY OF METHYLCYCLOPENTANE ON TUNGSTEN CARBIDES

被引：21

作者：

KELLER, V

CHEVAL, M

VAYER, M

DUCROS, R

MAIRE, G

机构：

[1] Laboratoire de Catalyse et Chimie des Surfaces U.R.A. 423 du C.N.R.S., Université Louis Pasteur, Strasbourg, 67070

来源：

CATALYSIS LETTERS | 1991年 / 10卷 / 3-4期

关键词：

METHYLCYCLOPENTANE REACTIVITY; TUNGSTEN CARBIDES; HETEROGENEOUS CATALYSIS; SURFACE COMPOSITION; HYDROGENOLYSIS;

D O I：

10.1007/BF00772066

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：

Reactions of methylcyclopentane on tungsten carbides show that in presence of oxygen the extensive hydrogenolysis is inhibited in favour of ring enlargement and ring opening via a bifunctional mechanism due to the coexistence of surface acid-rearrangement and hydrogenation-dehydrogenation sites. The oxycarbidic materials are very active and selective in skeletal rearrangement of hydrocarbons.

引用

页码：137 / 148

页数：12

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