Synthesis of small crystal zeolite beta in a biphasic H2O-CTAB-alcohol system

被引：16

作者：

Kong, Lingdong ^{[1
]}

Chen, Haihan ^{[1
]}

Tai, Jingjing ^{[1
]}

Shen, Jiandong ^{[1
]}

Zhang, Shicheng ^{[1
]}

Chen, Jianmin ^{[1
]}

机构：

[1] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China

来源：

MATERIALS LETTERS | 2009年 / 63卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Zeolite Beta; Biphasic system; Catalysts; Secondary building units; Porosity; DRY-GEL; CRYSTALLIZATION; CONVERSION; MECHANISM;

D O I：

10.1016/j.matlet.2008.10.042

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Small crystal zeolite Beta with SiO2/Al2O3 ratios ranging from 30 to 400 has been synthesized in a biphasic H2O-CTAB-Alcohol system using colloidal precursor which contains secondary building units of zeolite Beta as the silica and aluminum sources. The experimental results evidenced that the synthesis system employed here resulted in readily the formation of small crystal size zeolite Beta, and the crystallite aggregates consisting of many small particles with size close to the range of nanometer were obtained. The obtained zeolite Beta samples synthesized in the biphasic system displayed higher catalytic activity for n-hexane hydrocracking than that synthesized in single aqueous system. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：343 / 345

页数：3

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