P-BN rod-like catalyst for oxidative dehydrogenation of propane as well as preparation method and application of P-BN rod-like catalyst

By using P-BN rod-shaped catalyst in propane oxidation and dehydrogenation reaction, the problems of low selectivity and yield in the prior art are solved, high olefin selectivity and long catalytic life are achieved, and the preparation method is simple, the raw materials are cheap, and Good high temperature resistance.

CN119281358AActive Publication Date: 2025-01-10FUZHOU UNIV
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Patent Information

Application Number
CN202411281063.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2025-01-10
Estimated Expiration
2044-09-13

AI Technical Summary

Technical Problem

In the prior art, the propane oxidative dehydrogenation reaction has problems of low selectivity and yield, and the preparation process of hexagonal boron nitride is complex and costly, with unsatisfactory catalytic activity, making it difficult to achieve efficient olefin selectivity and high conversion.

Method used

After ball milling in a planetary mill using melamine, boric acid and red phosphorus, P-BN rod-shaped catalyst was prepared by high-temperature carbonization treatment, and its unique structure and pore structure were used to improve catalytic activity.

Benefits of technology

The propane oxidation and dehydrogenation reaction with high olefin selectivity, long catalytic life and pollution-free has been achieved. The preparation method is simple, the raw materials are cheap and easy to obtain, and it has good high temperature resistance and stability.

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Abstract

The invention discloses a P-BN rod-like catalyst for oxidative dehydrogenation of propane as well as a preparation method and application of the P-BN rod-like catalyst, and belongs to the technical field of preparation and application of catalysts. According to the catalyst, melamine is used as a nitrogen source, boric acid is used as a boron source, red phosphorus is used as a phosphorus source, and the P-BN rod-like catalyst is prepared through a two-step method of in-situ self-assembly and high-temperature pyrolysis. Under the conditions of normal pressure and 520 DEG C, the obtained P-BN rodlike catalyst is used for propane oxidative dehydrogenation reaction, and corresponding unsaturated olefin can be prepared with high selectivity. The catalyst prepared by the invention has the characteristics of rod-like structure, high olefin selectivity and long catalytic life, the synthesis method of the catalyst is simple, the raw materials are cheap and easy to obtain, no pollution is caused, and the catalyst has industrial application prospects.
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Citation Information

Patent Citations

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  • Catalyst for preparing olefin through alkane dehydrogenation and preparation thereof, and dehydrogenation method

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  • Catalyst for dehydrogenation of alkanes into olefins and preparation thereof, and dehydrogenation method

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