Crystallization behavior of zeolite beta during steam-assited crystallization of dry gel

M. Matsukata; T. Osaki; M. Ogura; E. Kikuchi

doi:10.1016/S1387-1811(02)00412-2

Crystallization behavior of zeolite beta during steam-assited crystallization of dry gel

M. Matsukata, T. Osaki, M. Ogura, E. Kikuchi

School of Advanced Science and Engineering

Research output: Contribution to journal › Article

87 Citations (Scopus)

Abstract

Zeolite beta with SiO₂/Al₂O₃ ratios from 30 to 730 was synthesized by a steam-assisted crystallization method, and the crystallized products obtained within 24 h were characterized by means of chemical analyses, XRD, FE-SEM, ²⁹Si-MAS NMR, N₂ adsorption, and temperature-programmed decomposition of tetraethylammonium cation occluded in the micropores of zeolite beta. Based on these results, the crystallization mechanism is discussed herein. It was found that agglomerates of nano-particles were formed from a dry gel before the development of a periodical structure in a long-range order, which can be detected by XRD. After several hours of crystallization, morphological changes in nano-particle agglomerates proceeded to give highly crystalline zeolite beta.

Original language	English
Pages (from-to)	1-10
Number of pages	10
Journal	Microporous and Mesoporous Materials
Volume	56
Issue number	1
DOIs	https://doi.org/10.1016/S1387-1811(02)00412-2
Publication status	Published - 2002 Oct 1

Keywords

Crystallization mechanism
SiO/AlO ratio
Steam-assisted crystallization
Zeolite beta

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials

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Matsukata, M., Osaki, T., Ogura, M., & Kikuchi, E. (2002). Crystallization behavior of zeolite beta during steam-assited crystallization of dry gel. Microporous and Mesoporous Materials, 56(1), 1-10. https://doi.org/10.1016/S1387-1811(02)00412-2

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abstract = "Zeolite beta with SiO2/Al2O3 ratios from 30 to 730 was synthesized by a steam-assisted crystallization method, and the crystallized products obtained within 24 h were characterized by means of chemical analyses, XRD, FE-SEM, 29Si-MAS NMR, N2 adsorption, and temperature-programmed decomposition of tetraethylammonium cation occluded in the micropores of zeolite beta. Based on these results, the crystallization mechanism is discussed herein. It was found that agglomerates of nano-particles were formed from a dry gel before the development of a periodical structure in a long-range order, which can be detected by XRD. After several hours of crystallization, morphological changes in nano-particle agglomerates proceeded to give highly crystalline zeolite beta.",

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AU - Matsukata, M.

AU - Osaki, T.

AU - Ogura, M.

AU - Kikuchi, E.

PY - 2002/10/1

Y1 - 2002/10/1

N2 - Zeolite beta with SiO2/Al2O3 ratios from 30 to 730 was synthesized by a steam-assisted crystallization method, and the crystallized products obtained within 24 h were characterized by means of chemical analyses, XRD, FE-SEM, 29Si-MAS NMR, N2 adsorption, and temperature-programmed decomposition of tetraethylammonium cation occluded in the micropores of zeolite beta. Based on these results, the crystallization mechanism is discussed herein. It was found that agglomerates of nano-particles were formed from a dry gel before the development of a periodical structure in a long-range order, which can be detected by XRD. After several hours of crystallization, morphological changes in nano-particle agglomerates proceeded to give highly crystalline zeolite beta.

AB - Zeolite beta with SiO2/Al2O3 ratios from 30 to 730 was synthesized by a steam-assisted crystallization method, and the crystallized products obtained within 24 h were characterized by means of chemical analyses, XRD, FE-SEM, 29Si-MAS NMR, N2 adsorption, and temperature-programmed decomposition of tetraethylammonium cation occluded in the micropores of zeolite beta. Based on these results, the crystallization mechanism is discussed herein. It was found that agglomerates of nano-particles were formed from a dry gel before the development of a periodical structure in a long-range order, which can be detected by XRD. After several hours of crystallization, morphological changes in nano-particle agglomerates proceeded to give highly crystalline zeolite beta.

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