Production of Fuel Oil from Waste Low Density Polyethylene and its Blends on Engine Performance Characteristics

Authors

  • Girish N. Desai Research scholar, Department of Chemical Engineering, RV College of Engineering, India
  • Jagadish H. Patil Associate Professor, Department of Chemical Engineering, RV College of Engineering, India
  • Umesh B. Deshannavar Department of Chemical Engineering, Tatyasaheb Kore Institute of Engineering and Technology, India
  • Prasad G. Hegde Department of Chemical Engineering, KLE Dr. M. S. Sheshgiri College of Engineering & Technology, India

DOI:

https://doi.org/10.56801/MME1067

Keywords:

Pyrolysis, fuel oil, Plastic waste, LDPE, Sustainable development.

Abstract

This research paper focuses on converting waste low density polyethylene (LDPE) plastic to fuel oil using thermal degradation through a pyrolysis reactor. The process involves heating the LDPE plastic in the reactor with purging of nitrogen gas to maintain an inert atmosphere in the reactor, with a retention time of 2-3 hours until it melts and forms vapour, which is then condensed in a container. The resulting fuel oil is analyzed for its physical properties and compared with standard diesel. The fuel oil produced has properties that agree with the standard, including a carbon residue of 0.01, density of 785.1 kg/m3, flash point of 68oC, gross calorific value of 44,141 kJ/kg, kinematic viscosity of 2.18 cSt, pour point of -50oC, and sulfur content of 32 ppm. The fuel oil is then subjected to engine performance and emission tests in a CI Engine by blending it with diesel. The results show that a diesel engine can run on a blend of 50% fuel oil and 50% diesel fuel, but the engine vibrates when the fuel oil content exceeds 50%. The oil-diesel blend has lower brake-specific fuel consumption and higher exhaust gas temperature than diesel fuel, but it also produces higher NOx, CO, HC, and smoke emissions than diesel. Overall, the blend has significant advantages over conventional diesel fuel in terms of fuel efficiency, but it also has some drawbacks in terms of emissions.

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How to Cite

Girish N. Desai, Jagadish H. Patil, Umesh B. Deshannavar, and Prasad G. Hegde. 2024. “Production of Fuel Oil from Waste Low Density Polyethylene and Its Blends on Engine Performance Characteristics”. Metallurgical and Materials Engineering 30 (2):57-70. https://doi.org/10.56801/MME1067.

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Research