LONG-DISTANCE HYDROGEN BACK-SPILLOVER (LD-HBS) PHENOMENA IN THE AROMATIZATION OF LIGHT ALKANES

被引：37

作者：

LEVANMAO, R ^{[1
]}

DUFRESNE, L ^{[1
]}

YAO, JH ^{[1
]}

机构：

[1] CONCORDIA UNIV, DEPT CHEM, INORGAN MAT LABS, MONTREAL H3G 1MB, QUEBEC, CANADA

来源：

APPLIED CATALYSIS | 1990年 / 65卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

aromatization; hydrogen back spillover; light alkanes; spillover; zeolites; zinc oxide hybrids;

D O I：

10.1016/S0166-9834(00)81594-8

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：

Hybrid catalysts consisting of ZSM-5 zeolite and a ZnO based co-catalyst intimately mixed within a bentonite matrix, have been studied in the conversion of propane and n-butane into aromatics and particularly into benzene, toluene, xylenes (BTX aromatics). It has been observed that the ZnO based co-catalyst is not actively involved in any step of the aromatization reaction of alkanes. Therefore, the main role of the metal oxide co-catalyst is to help removing the hydrogen species released by the zeolite acid sites through a process which is called long-distance hydrogen back-spillover. © 1990.

引用

页码：143 / 157

页数：15

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