Waste Polystyrene (PS-6) Plastic Conversion into Liquid Hydrocarbon Fuel by Using HZSM-5 Catalyst with Thermal Degradation Process

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Polystyrene is a thermoplastic substance, which is in solid (glassy) state at room temperature, but flows if heated above its glass transition of about 100 ºC (for molding or extrusion),and becomes solid again when cooled. Pure solid polystyrene is a colorless, hard plastic with a limited flexibility. It can be cast into molds with fine detail. Polystyrene can be transparent or can be made to take on various colors. Polyester is one of the most widely used plastics, the scale several billion kilograms per year. Polystyrene and polystyrene   materials have become to the concern topics about that very high temperature and sophisticated facility needs to apply to speed up the degradation process. The process of degradation could eradicate the polystyrene materials from the environment and save the atmosphere from defect air pollution. Catalytic and thermal degradation of waste polystyrene have been studied in a glass fiber reactor and. HZSM-5 catalyst used accelerates the reaction and increase the production yield. Temperature is used 120 ºC to 400 ºC. Polystyrene melting temperature is 260 ºC. Also polystyrene made by p-Xylene it has benzene ring. Analytical instrument are (GC/MS) used for produce fuel it has lots of benzene compound, aliphatic alkane and aliphatic alkenes. GC/MS trace the hydrocarbon range before thermal degradation C3-C28 and after degradation is range C6-C18 because catalyst help to degrade the polyester long chain to short chain hydrocarbon.  ASTM standard test is showing fuel sulfur content also less then EPA standard
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PS-6 Plastic; Waste Plastic; Catalyst; Thermal Degradation; Fuel; Hydrocarbon; Condensation; GC/MS

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