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Vol. 25 No. 8 (2013): Vol 25 Issue 8

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Synthesis Conditions of Mesoporous NaA Zeolites

https://doi.org/10.14233/ajchem.2013.14005
Ying Meng
Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, Shanxi Province, P.R. China
Fu-Xiang Li
Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, Shanxi Province, P.R. China
Yan-Chao Feng
Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, Shanxi Province, P.R. China
Jian-Wei Xue
Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, Shanxi Province, P.R. China
Zhi-Ping Lv
Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, Shanxi Province, P.R. China

Corresponding Author(s) : Fu-Xiang Li

L63f64x@163.com

Asian Journal of Chemistry, Vol. 25 No. 8 (2013): Vol 25 Issue 8

Abstract

Mesoporous NaA zeolites were successfully synthesized by a direct hydrothermal method using tetraethylorthosilicate and [3-(trimethoxysilyl)propyl]octadecyl-dimethyl ammonium chloride (TPOAC) as the silicon source and mesopore-generating agent, respectively. The effects of the synthesis conditions, including the added amount of [3-(trimethoxysilyl)propyl]octadecyl-dimethyl ammonium chloride, crystallization temperature and gel alkalinity, were investigated. The as-synthesized materials were characterized by X-ray diffraction, nitrogen adsorption-desorption measurements, scanning electron microscopy and transmission electron microscopy. The sample mesopore walls were found to be comprized of NaA zeolite frameworks. The sample size and mesopore structure were affected by the added amount of [3-(trimethoxysilyl)propyl]octadecyl-dimethyl ammonium chloride. The crystal phase was affected by the crystallization temperature and gel alkalinity.

Keywords

Mesoporous NaA zeolites Tetraethylorthosilicate Synthesis conditions
Meng, Y., Li, F.-X., Feng, Y.-C., Xue, J.-W., & Lv, Z.-P. (2013). Synthesis Conditions of Mesoporous NaA Zeolites. Asian Journal of Chemistry, 25(8), 4423–4426. https://doi.org/10.14233/ajchem.2013.14005
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