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Mechanism of Deactivation of FX-02 Catalyst in the Alkylation of Benzene with Ethylene

FU Ji-quan

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Abstract

By means of the analysis of impurities on the deactivated FX-02 catalyst and characterization of acid property,crystal structure and hole structure of the deactivated catalyst,it has been found that the deactivation of FX-02 catalyst is due to the adsorption of inorganic sulfides on the inner surface of catalyst crystallite covering the active sites of catalyst.In addition,the adsorbed sulfides on the catalyst affect medium strong acid sites more evidently than weak and strong acid sites.

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What this paper is about

By means of the analysis of impurities on the deactivated FX-02 catalyst and characterization of acid property,crystal structure and hole structure of the deactivated catalyst,it has been found that the deactivation of FX-02 catalyst is due to the adsorption of inorganic sulfides on the inner surface of catalyst crystallite covering the active sites of catalyst.In addition,the adsorbed sulfides on the catalyst affect medium strong acid sites more evidently than weak and strong acid sites.

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Available abstract

By means of the analysis of impurities on the deactivated FX-02 catalyst and characterization of acid property,crystal structure and hole structure of the deactivated catalyst,it has been found that the deactivation of FX-02 catalyst is due to the adsorption of inorganic sulfides on the inner surface of catalyst crystallite covering the active sites of catalyst.In addition,the adsorbed sulfides on the catalyst affect medium strong acid sites more evidently than weak and strong acid sites.

Key concepts: Catalysis, Adsorption, Ethylene, Crystallite, Benzene, Chemistry, Alkylation, Inorganic chemistry

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