In situ synthesis and properties of ZSM-5/α-Al2O3 composite

被引：9
|
作者：
Li, Dianqing [1 ]
Wu, Chuang [1 ]
Tang, Pinggui [1 ]
Feng, Yongjun [1 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
来源：
MATERIALS LETTERS | 2014年 / 133卷
基金：
中国国家自然科学基金;
关键词：
In situ growth; ZSM-5; zeolite; Spherical alpha-Al2O3; Composite materials; Porous materials; REINFORCEMENT;
D O I：
10.1016/j.matlet.2014.07.022
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, we have developed an in situ growth method to synthesize spherical ZSM-5/alpha-Al2O3 composite on spherical alpha-Al2O3 and investigated the morphology, structure, and properties of this composite using scanning electron microscope (SEM), powder X-ray diffraction analysis (XRD), NH3-temperature program desorption (NH3-TPD) and low temperature N-2 adsorption-desorption isotherm (BET). The results show that ca. 2.4 wt% ZSM-5 has been formed in the composite with a Si/Al ratio of 46.5 and an average particle size of 8.04 mu m. Furthermore, the formed ZSM-5 markedly enhances the surface acidity and the BET surface area of spherical alpha-Al2O3 support. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：278 / 280
页数：3
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