INFRARED INSITU CHARACTERIZATION OF HY ZEOLITE ACID SITES DURING CYCLOHEXENE TRANSFORMATION

被引：70

作者：

JOLY, JF

ZANIERSZYDLOWSKI, N

COLIN, S

RAATZ, F

SAUSSEY, J

LAVALLEY, JC

机构：

[1] INST FRANCAIS PETR,F-92506 RUEIL MALMAISON,FRANCE

[2] ISMRA UNIV,F-14032 CAEN,FRANCE

来源：

CATALYSIS TODAY | 1991年 / 9卷 / 1-2期

关键词：

D O I：

10.1016/0920-5861(91)85004-R

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Thc construction of cell suitable for in situ monitoring of catalysts is described. The apparatus has been used to elucidate the nature of the acid sites responsible for coke formation during cyclohexene conversion on dealuminated HY zeolites. It is suggested that the most acidic Bronsted sites are primarily responsible for coke formation. Activation of cyclohexene probably occurs through hydride transfer between adsorbed unsaturated carbocations and gas phase cyclohexene.

引用

页码：31 / 38

页数：8

共 12 条

[1] NOVEL HIGH-PRESSURE FT-IR SPECTROSCOPIC SYSTEM COMBINED WITH SPECIALLY DESIGNED INSITU IR CELL FOR STUDYING HETEROGENEOUS CATALYTIC REACTIONS [J].