2025-04-01https://repository.covenantuniversity.edu.ng/handle/123456789/39839The thermal degradation of polypropylene over zeolite catalysts (H-ZSM-5, H-mordenite and H-theta-1) has been studied; GC analysis of the product fractions revealed that 70–80% were of the gasoline range hydrocarbons.application/pdfQ Science (General), QD ChemistryArticle