TREATMENT OF BORON-CONTAINING PENTASIL-TYPE ZEOLITES UNDER BORON-EXTRACTING CONDITIONS

被引：9

作者：

UNGER, B

WENDLANDT, KP

TOUFAR, H

SCHWIEGER, W

BERGK, KH

BRUNNER, E

RESCHETILOWSKI, W

机构：

[1] MARTIN LUTHER UNIV,SEKT CHEM,O-4020 HALLE,GERMANY

[2] KARL MARX UNIV,SEKT PHYS,O-7010 LEIPZIG,GERMANY

[3] DECHEMA INST,W-6000 FRANKFURT 97,GERMANY

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1991年 / 87卷 / 18期

关键词：

D O I：

10.1039/ft9918703099

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：

Thermal or hydrothermal treatments of boron-containing pentasil-type zeolites, as well as acid-leaching procedures, lead to the partial or full removal of the framework boron atoms from the material. Resulting from this removal, the boron-stimulated lattice contraction is nearly completely cancelled. Catalytic properties of the 'deborated' material in acid-catalysed reactions are very close to those measured on comparable boron-free samples. This fact can be utilized in the production of template-free ZSM-5 of enhanced SiO2/Al2O3 molar ratio.

引用

页码：3099 / 3101

页数：3

共 21 条

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