A catalytic cracking high-temperature carbonization process containing polyethylene and / or polyvinyl chloride membranes

Through the catalytic cracking high-temperature carbonization process, the combined use of cracking catalysts, carbonization catalysts and template compounds has solved the problem of low carbonization efficiency of waste mulch films, and prepared porous carbon materials with high carbon yield and controllable morphology, which are suitable for supercapacitors and other fields.

CN116947041BActive Publication Date: 2025-09-19FUZHOU UNIV
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Patent Information

Application Number
CN202310874660.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-17
Publication Date
2025-09-19
Estimated Expiration
2043-07-17

AI Technical Summary

Technical Problem

In the existing technology, the catalytic cracking process of waste mulch has the problems of low carbonization efficiency, low carbon yield, and irregular morphology of the obtained carbon material, which limits its application in fields such as supercapacitors.

Method used

A catalytic cracking and high-temperature carbonization process is adopted. By combining cracking catalysts, carbonization catalysts and template compounds, the generation and distribution of polymer degradation products are regulated. Combined with the use of activators, porous carbon materials with high carbon yield and controllable morphology are prepared.

Benefits of technology

The preparation of porous carbon materials with high carbon yield and controllable morphology has been achieved, which has improved the resource utilization efficiency of waste mulch. It is suitable for fields such as supercapacitors and has good energy storage performance and economic benefits.

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Abstract

The present invention relates to the technical field of catalytic cracking of waste and incomplete membrane materials, and more specifically to a catalytic cracking and high-temperature carbonization process for polyethylene and / or polyvinyl chloride ground membranes. Through a process combining catalytic cracking and carbonization, template carbonization, and activation, the appropriate dosage ratio of membrane-cracking catalyst-carbonization catalyst-template compound and the most suitable process conditions are used to promote the full carbonization of waste and incomplete polyethylene and / or polyvinyl chloride membrane materials, and obtain high-value-added porous carbon materials with controllable morphology while achieving a high carbon yield. The present invention is the first to improve the high-temperature cracking and carbonization process of waste and incomplete membranes by combining catalytic cracking and carbonization, template carbonization, and activation, and obtain high-value-added porous carbon materials with high yield and controllable morphology. The porous carbon material is expected to contribute to cost reduction, efficiency improvement, energy conservation, and carbon reduction in the supply of raw materials for industries such as supercapacitors, new energy, and carbon-based new materials.
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