Research Progress of Catalyst for Catalytic Pyrolysis of Waste Plastics

YAN Zhenrui, XIE Linzhou, SHANG Hui

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Plastics Science and Technology ›› 2025, Vol. 53 ›› Issue (01) : 173-179. DOI: 10.15925/j.cnki.issn1005-3360.2025.01.032
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Research Progress of Catalyst for Catalytic Pyrolysis of Waste Plastics

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Abstract

With the continuous growth in demand for plastic consumer goods, the "white pollution" problem is becoming increasingly severe. Therefore, the recycling and utilization of waste plastics hold significant importance for achieving the harmlessness and resourcefulness of waste plastics. The article investigates the indispensable catalysts in the catalytic pyrolysis technology for plastic treatment, introduces the classification of catalytic pyrolysis catalysts, and summarizes the research progress of catalytic pyrolysis catalysts from aspects such as zeolite catalysts, fluid catalytic cracking (FCC) catalysts, silica-alumina catalysts, clay catalysts, and metal-loaded catalysts. It analyzes the advantages and influencing factors of catalytic pyrolysis catalysts. Catalysts enhance the efficiency and effectiveness of resource recovery in the pyrolysis process of waste plastics by reducing reaction temperatures and improving product selectivity, achieving efficient utilization of waste plastics and avoiding resource waste.

Key words

Waste plastics / Catalytic pyrolysis / Zeolite catalysts / FCC catalysts / Clay catalysts / Metal catalysts

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YAN Zhenrui , XIE Linzhou , SHANG Hui. Research Progress of Catalyst for Catalytic Pyrolysis of Waste Plastics. Plastics Science and Technology. 2025, 53(01): 173-179 https://doi.org/10.15925/j.cnki.issn1005-3360.2025.01.032

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