ACIDITY AND CATALYTIC ACTIVITY OF B-AL BETA-ZEOLITE

被引：14

作者：

DEREWINSKI, M

FAJULA, F

机构：

[1] ENSCM,CHIM ORGAN PHYS & CINET CHIM APPL LAB,CNRS,URA 418,F-34053 MONTPELLIER,FRANCE

[2] POLISH ACAD SCI,INST CATALYSIS & SURFACE CHEM,PL-30239 KRAKOW,POLAND

来源：

APPLIED CATALYSIS A-GENERAL | 1994年 / 108卷 / 01期

关键词：

ACIDITY; ALUMINUM; BORON; CRACKING ACTIVITY; ZEOLITE BETA;

D O I：

10.1016/0926-860X(94)85180-8

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：

Boron atoms incorporated into the framework of zeolite beta during synthesis are nearly quantitatively removed from the solid after activation by thermal/hydrothermal treatments followed by ion exchange. Boron extraction is accompanied by the removal of small amounts of aluminium and silicon and results in the creation of isolated defect sites. The acidity and the cracking properties of the activated zeolite are governed by the aluminium content, independently of the composition of the parent material.

引用

页码：53 / 61

页数：9

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