Synthesis of highly regular mesoporous Al-MCM-41 from metakaolin

被引：40

作者：

Wang, GuangJian ^{[1
,2
]}

Wang, Yuran ^{[3
]}

Liu, Yiwu ^{[1
]}

Liu, Zhengwang ^{[1
]}

Guo, YaJie ^{[1
]}

Liu, Guangqing ^{[1
]}

Yang, Zhengxing ^{[1
]}

Xu, MingXia ^{[2
]}

Wang, Lei ^{[1
]}

机构：

[1] Huaibei Coal Normal Coll, Dept Chem, Huaibei 235000, Anhui, Peoples R China

[2] Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China

[3] Shanghai Jiao Tong Univ, Sch Chem & Engn, Shanghai 200030, Peoples R China

来源：

APPLIED CLAY SCIENCE | 2009年 / 44卷 / 1-2期

关键词：

Metakaolin; Mesoporous molecular sieves; Al-MCM-41; CATALYTIC-ACTIVITY; MOLECULAR-SIEVES; ALUMINUM; MCM-41; STABILITY;

D O I：

10.1016/j.clay.2008.12.002

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：

Mesoporous molecular sieve Al-MCM-41 with Si/Al ratio = 5, was in situ synthesized under hydrothermal condition using tetraethylorthosilicate (TEOS) and metakaolin as silica and aluminum sources and cetyl trimethylammonium bromide as structure directing agent. Powder X-ray diffraction (XRD), solid-state magic-angle spinning (MAS) NMR spectroscopy, Fourier transform infrared spectroscopy (FT-IR), N-2 isothermal adsorption-desorption, SEM and TEM are used to characterize the samples. Metakaolin used as source of aluminum and silicon allowed the formation of well-ordered Al-MCM-41 mesoporous materials. Thus, inexpensive metakaolin is probably a better Al and Si source for MCM-41 samples with low Si/Al ratios than other aluminum sources. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：185 / 188

页数：4

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