Platinum-chromium-based supported catalyst as well as preparation method and application thereof
By uniformly distributing Pt, Cr, Ge and iron-based supported catalysts on the support ZnAl2O4, the problem of high Pt content in the prior art is solved, and an efficient alkane dehydrogenation reaction is achieved and cost is reduced.
CN119701996AActive Publication Date: 2025-03-28CHINA PETROLEUM & CHEMICAL CORP +1
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Patent Information
- Application Number
- CN202311272052.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-28
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2043-09-28
AI Technical Summary
Technical Problem
The existing alkane dehydrogenation catalysts need to have a high Pt content to obtain higher catalytic activity, resulting in cost and environmental protection problems.
Method used
Using a platinum-chromium-based supported catalyst, the double-dehydrogenation center is formed by uniformly distributing Pt, Cr, Ge and iron-based elements on the support ZnAl2O4, and the component interaction is enhanced through the optimized preparation process.
Benefits of technology
It is achieved to maintain catalyst activity while reducing the load of precious metals Pt and Cr, reduce the catalyst cost and environmental protection cost, and improve the alkane dehydrogenation reaction performance.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to the technical field of catalysts, and provides a platinum-chromium-based supported catalyst as well as a preparation method and application thereof. The platinum-chromium-based supported catalyst comprises the following components in parts by weight: a) 0.01-0.3 part of Pt or an oxide thereof; b) 0.01-3 parts of Cr or an oxide thereof; c) 0.01-1 part of Ge or an oxide thereof; d) 0.01-3 parts of an iron-based element or an oxide thereof; and e) 95-99 parts of a carrier. According to the catalyst provided by the invention, Pt and Cr are used as double dehydrogenation centers, Ge and iron elements are used for strengthening the action of Pt, and the interaction among the components is strengthened by optimizing the preparation process of the catalyst, so that the performance of the catalyst is effectively improved. The catalyst provided by the invention has good alkane dehydrogenation reaction performance, reduces the loading amount of noble metals Pt and Cr, reduces the catalyst cost and environmental protection cost, and has industrial application prospects.
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