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Please use this identifier to cite or link to this item: https://dspace.ffh.bg.ac.rs/handle/123456789/1522
Title: Influence of Zn<sup>2+</sup> ions in a ZSM-5 catalyst on the C<inf>3</inf>-C<inf>4</inf> hydrocarbons aromatization process
Authors: Dojčinović, Miroslava
Adnađević, Borivoj 
Andrejić, Nenad
Keywords: Aromatization process;C -C hydrocarbons 3 4;Catalysts acidity;Zn;ZSM-5 catalyst
Issue Date: 1-Jan-1997
Journal: Journal of the Serbian Chemical Society
Abstract: 
Catalysts, based on zeolite ZSM-5 modified by Zn2+ ions, are suitable for aromatization of C3-C4 hydrocarbons. Zn2+ ions change the acidity of the catalysts by blocking the strong Brönsted acid centers. The most probable aromatization mechanism is presented. The catalyst, based on a zeolite ZSM-5, with a module 50 and with a Zn content of 2.4%, was laboratory produced and applied to the aromatisation of a propane-butane mixture. In the temperature interval of 673-873 K propane was not converted, so it was supposed that the catalyst has Brönstcd acid centers of medium strength, as well as Lewis acid centers, since the concentration of Zn2+ ions, concerning the zeolite module, was rather high.
URI: https://dspace.ffh.bg.ac.rs/handle/123456789/1522
ISSN: 0352-5139
Appears in Collections:Journal Article

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University of Belgrade
Faculty of Physical Chemistry
Studentski trg 12-16
11158 Belgrade 118
PAC 105305
SERBIA
University of Belgrade Faculty of Physical Chemistry