The H/D exchange reaction occurring at low temperature between small alkanes and D2O exchanged solid acids .3. The role of alkenes and carbenium ions as reaction intermediates

被引：40

作者：

Sommer, J

Habermacher, D

Hachoumy, M

Jost, R

Reynaud, A

机构：

[1] Lab. Phys.-Chim. des Hydrocarbures, Centre de Recherches Chimie, Université Louis Pasteur, 67008 Strasbourg, 1, rue Biaise Pascal

来源：

APPLIED CATALYSIS A-GENERAL | 1996年 / 146卷 / 01期

关键词：

alkane activation; solid acids; superacids; hydrogen/deuterium exchange; zeolite; sulfated zirconia;

D O I：

10.1016/0926-860X(96)00168-8

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：

The intermolecular protium-deuterium exchange occurring between isobutane and D2O-exchanged acidic catalysts, such as sulfated zirconia and H-Beta zeolite, has been studied in the low temperature range: 20-200 degrees C. The induction period, which is apparent at 100 degrees C and below, is suppressed when small amounts of isobutene are added to isobutane. The results are discussed with respect to the formation of alkene intermediates from alkanes at low temperature on an acidic catalyst.

引用

页码：193 / 205

页数：13

共 51 条

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