Synthesis and Characterization of Monodisperse Nanocrystalline HZSM-5 Zeolite

Jun Fang Wei; Fang Zhu; Xiao Yan Zhang

doi:10.4028/www.scientific.net/AMM.423-426.135

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 423-426Synthesis and Characterization of Monodisperse...

Synthesis and Characterization of Monodisperse Nanocrystalline HZSM-5 Zeolite

Abstract:

A monodisperse nanocrystalline HZSM-5 zeolite was prepared by varying-temperature synthesis method with aluminum nitrate (Al (NO₃)₃), tetraethyl orthosilicate (TEOS), and tetrapropyl ammonium hydroxide (TPAOH) as raw materials. X-ray diffraction (XRD) characterization results showed that the crystallinity of HZSM-5 prepared by varying-temperature synthesis method was higher than constant-temperature synthesis . The influence of crystallization temperature and time on morphology and particle size of HZSM-5 is represented by scanning electronic microscopy (SEM) characterization: nanocrystalline HZSM-5 with more regular morphology and smaller particle size can be prepared by varying-temperature synthesis method. The minimum average particle size is 0.3μm. The particle size will grow up to 3.0μm with the crystallization time prolonged.

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Applied Mechanics and Materials (Volumes 423-426)

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135-138

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https://doi.org/10.4028/www.scientific.net/AMM.423-426.135

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Online since:

September 2013

Authors:

Jun Fang Wei, Fang Zhu, Xiao Yan Zhang

Keywords:

HZSM-5 Zeolite, Monodisperse, Nanostructure, Varying-Temperature Synthesis

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