Effect of reaction mixture composition and silica source on size distribution of zeolite X crystals

Zeolite X crystals were synthesized by hydrothermal crystallization from gels with different compositions. The syntheses were performed at 95°C using different silica sources such as sodium metasilicate anhydrous, sodium metasilicate pentahydrate, silicate solution and Cab-O-Sil. Triethanolamine was...

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Bibliographic Details
Published inJournal of crystal growth Vol. 411; pp. 45 - 48
Main Authors Tekin, Rumeysa, Bac, Nurcan, Warzywoda, Juliusz, Sacco, Albert
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.02.2015
Subjects
A1 Hydrothermal crystal growth
Composition effects
Concerts
Crystal growth
Crystals
Faujasite
Large crystals
Silicates
Silicon dioxide
Sodium
Triethanolamine
Zeolite X
Zeolites
A1 Hydrothermal crystal growth
Zeolite X
Large crystals
Faujasite
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Summary:Zeolite X crystals were synthesized by hydrothermal crystallization from gels with different compositions. The syntheses were performed at 95°C using different silica sources such as sodium metasilicate anhydrous, sodium metasilicate pentahydrate, silicate solution and Cab-O-Sil. Triethanolamine was used in some syntheses in order to grow large crystals. Zeolite X crystals with diameters in the range of 1–220μm were obtained, and Cab-O-Sil in concert with triethanolamine yielded the largest crystals.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2014.11.017