Controlled crystal growth of β zeolite films on alumina supports

The preparation of β zeolite films on Al2O3 supports was carried out by a three-step method using a diluted β zeolite gel precursor. The characterization was performed by means of GIBT-XRD, SEM and nitrogen permeation. The results showed that the crystallization of the β zeolite started with the for...

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Published in:Materials letters 2008-03, Vol.62 (6-7), p.1071-1073
Main Authors: Torres, M., Gutiérrez, M., López, L., Múgica, V., Gomez, R., Montoya, J.A.
Format: Article
Language:English
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Inorganic membranes
β zeolite membranes
β zeolite SEM
β zeolite thin films
β zeolite XRD
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description The preparation of β zeolite films on Al2O3 supports was carried out by a three-step method using a diluted β zeolite gel precursor. The characterization was performed by means of GIBT-XRD, SEM and nitrogen permeation. The results showed that the crystallization of the β zeolite started with the formation of separate small nuclei on the supports. During the second and third steps, the crystallites grew along two and three dimensions, homogeneously covering the alumina supports. The nitrogen permeation tests showed that after the synthesis (third step), the Al2O3 supports were totally sealed.
doi_str_mv 10.1016/j.matlet.2007.07.077
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subjects Inorganic membranes
β zeolite membranes
β zeolite SEM
β zeolite thin films
β zeolite XRD
title Controlled crystal growth of β zeolite films on alumina supports
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