EFFECT OF THE NONUNIFORM DEALUMINATION ON THE ACIDITY AND CATALYTIC ACTIVITY OF FAUJASITE

被引：26

作者：

CORMA, A

MELO, FV

RAWLENCE, DJ

机构：

[1] CSIC,INST CATALISIS & PETROLEOQUIM,SERRANO 119,E-28006 MADRID,SPAIN

[2] UNIV POLITECN VALENCIA,CSIC,INST TECNOL QUIM,VALENCIA,SPAIN

[3] JOSEPH CROSFIELD & LTD,CROSFIELD CATALYSIS,WARRINGTON,CHESHIRE,ENGLAND

来源：

ZEOLITES | 1990年 / 10卷 / 07期

关键词：

acid site distribution; dealumination; Faujasite;

D O I：

10.1016/0144-2449(90)90081-2

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：

Theoretical models are used to simulate aluminum distribution in a Y zeolite crystal when an aluminum gradient along the crystal is produced by dealumination. From these models, the theoretical distribution of different types of acid sites is calculated. The effect of the aluminum gradient along the crystal on the acid site distribution is discussed, and it can be related with the differences observed in cracking activity when the Y zeolite is dealuminated by different procedures. © 1990.

引用

页码：690 / 694

页数：5

共 23 条

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