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Nur Rohmat
Fakultas Teknik, Universitas Pamulang
Arts Humanities Computer Science & IT Law, Crime, Criminology & Criminal Justice Social Sciences

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RANCANG BANGUN RANGKA DAN PENUTUP REAKTOR PEMBAKARAN KEDUA PADA PIROLISIS LIMBAH PLASTIK POLYPROPYLENE TERHADAP BAHAN BAKAR YANG DIHASILKAN Amardyan Irgi Hafidz Raff Sanjani; Defayyadh Caesario Hibatullah; Joko Setiyono; Nur Rohmat
Ensiklopedia of Journal Vol 8, No 12 (2026): Vol. 8 No. 12 September 2026
Publisher : Ensiklopedia of Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/eoj.v8i12.4041

Abstract

The accumulation of Polypropylene (PP) plastic waste has caused serious pollution that is difficult to mitigate using conventional methods. This study aimed to integrate the mechanical design of a pyrolysis system—specifically reinforcing the table frame and designing a secondary combustion cover—and to analyze how different combustion systems (open vs. closed) affect the characteristics of liquid fuel derived from 2 kg of polypropylene waste. Structural evaluation was conducted using SolidWorks simulations, while oil quality testing adhered to ASTM standards. Structural analysis results indicated that a 40 x 40 x 2 mm hollow steel frame could safely support a load of 103.04 kg (1,010.82 N) with a Factor of Safety (FOS) of 5.028. The redesigned 38 cm diameter combustion cover successfully minimized heat leakage, achieving an FOS of 1.268. Fuel testing revealed that the open combustion system yielded superior oil compared to the closed system, with Cetane Numbers of 31.5 versus 27.0, specific gravities of 780.9 kg/m³ versus 766.8 kg/m³, and kinematic viscosities of 1.465 mm²/s versus 0.975 mm²/s. Uniform heat circulation and airflow control proved crucial for breaking down carbon chains to produce stable liquid fuel.Keywords: pyrolysis, polypropylene, plastic waste, frame, combustion cover, SolidWorks Simulation, Factor of Safety
Co-Authors Amardyan Irgi Hafidz Raff Sanjani Defayyadh Caesario Hibatullah Joko Setiyono