INTERNAL SILANOLS IN ZEOLITES - INFERENCES FROM QUANTUM CHEMICAL CALCULATIONS

被引：29

作者：

Sauer, J. ^{[1
]}

Bleiber, A. ^{[1
]}

机构：

[1] Acad Sci, Cent Inst Phys Chem, D-1199 Berlin, Germany

来源：

CATALYSIS TODAY | 1988年 / 3卷 / 05期

关键词：

D O I：

10.1016/0920-5861(88)87032-9

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The results of calculations support the view that internal silanol defect sites in ZSM-5 zeolites occur as hydrogen-bonded pairs. These sites involve moderately acidic hydroxyls, less acidic than Al associated bridged hydroxyls but significantly more acidic than hydroxyls which terminate the crystal at the outer surface.

引用

页码：485 / 492

页数：8