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This study analyzes the performance of the diesel engine in terms of power, torque, specific fuel consumption, and thermal efficiency using diesel and pyrolysis oil. The waste plastic oil (WPO) used in this research was produced through a pyrolysis process using raw materials from Low-density Polyethylene (LDPE) mixed with diesel fuel in volume ratios WPO10, WPO20, WPO30, WPO40, and WPO50. In addition, a performance test was carried out on the single-cylinder diesel engine test bench. The results showed that performing the diesel engine with the addition of WPO increased the average power and torque by 5% and 3%, thereby producing a higher heating value. Furthermore, the concentration of WPO also reduces the level of specific fuel consumption to be more efficient, with a decrease in thermal efficiency. In conclusion, plastic waste pyrolysis oil is a promising alternative fuel applicable to a diesel engine.


Pyrolisis Waste plastic oil Engine performance Thermal efficiency Specific fuel consumption

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Author Biographies

Sunaryo Sunaryo, Univeritas Sains Al-Qur'an, Indonesia

Academic profile: ScopusGoogle ScholarSinta

Priyo Adi Sesotyo, Universitas Semarang, Indonesia

Academic profile: ScopusORCIDGoogle ScholarPublonsSinta

Eqwar Saputra, Universitas Muhammadiyah Purwokerto, Indonesia

Academic profile: Google Scholar

Agus Pulung Sasmito, McGill University, Canada

Academic profile: ScopusORCIDGoogle ScholarResearchGatePublons


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