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Paper Information

Journal:   JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN   Winter 2004 , Volume 15 , Number 1; Page(s) 39 To 46.
 
Paper: 

THE ROLE OF ETHANOL, METHYLTRIPHENYLPHOSPHONIUM BROMIDE AND CETYLTRIMETHYLAMMONIUM BROMIDE AS DIRECTING AGENTS IN HYDROTHERMAL SYNTHESIS OF ALUMINOSIIICATE MOLECULAR SIEVE (ZSM-5) AND ITS MORPHOLOGIES

 
 
Author(s):  ATTAR GHARAMALEKI J., GHANDI M., FARZANEH F.*
 
* Department af Chemistry, University of Azzahra, Tehran, Islamic Repuhlic of Iran
 
Abstract: 
Zeolite ZSM-5 presents a great source of interest in catalysis because of its shape selective properties. The absence of a relationship between the template size and shape of the structure generated during the synthesis of zeolites is illustrated by the case of ZSM-5. In this study, we have investigated the role of ethanol, methyltriphenylphosphon-ium bromide (MTPBr) and cetyltrimethylammonium bromide (CTABr) as neutral and cationic templates on aluminosilicate zeolite formation. Ethanol was also successfully used as a low cost template in the synthesis of ZSM-5. Although the XRD pattern of the synthesized zeolites is similar to the ZSM-5 pattern, the SEM results showed that their morphologies are completely different.
 
Keyword(s): ZSM-5; HYDROTHERMAL SYNTHESIS; SURFACTANT; MORPHOLOGY; TEMPLATE
 
References: 
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