Catalyst for hydrogen chloride oxidation to produce chlorine gas, and preparation method and application thereof

By preparing a high thermal conductivity composite support to support catalytically active elements, the problems of short catalyst life and easy hot spot occurrence are solved, and the high efficiency, stability and long life of the catalyst are achieved, which is suitable for the process of producing chlorine by chlorination and hydrogenation.

CN120939938BActive Publication Date: 2026-06-23ZHEJIANG NHU CO LTD +1
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Patent Information

Application Number
CN202411785223.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2026-06-23
Estimated Expiration
2044-12-05

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Abstract

The present application relates to a kind of catalyst for hydrogen chloride oxidation preparation chlorine and its preparation method and application.The preparation method includes: after carrier substrate, metal tantalum powder, binder solution are mixed, extrusion forming is obtained green body, the green body is prepared composite carrier by calcination, the mass fraction of metal tantalum powder in the composite carrier is 5%-30%;Inorganic salt containing catalytically active element is made into solution and is placed in the composite carrier, and after drying, pre-product is obtained, and the pre-product is prepared catalyst by calcination.The preparation method described in the present application prepares high thermal conductivity composite carrier, not only effectively improves the heat conduction efficiency of catalyst, guarantees the effective activity of catalyst, but also guarantees the stability of composite carrier, thereby effectively prolongs the life of catalyst.
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Citation Information

Patent Citations

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  • High-stability catalyst for preparing chlorine through hydrogen chloride oxidation

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