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Pyrolytic Conversion of LDPE and HDPE Into Fuel Oil

INTERNATIONAL JOURNAL OF MECHANICAL ENGINEERING AND TECHNOLOGY (IJMET) 2026
Raj Kumar Yadav, Ranjeet Kumar Ahirwar

Summary

Scientists are turning common plastic waste (the kind used in grocery bags and milk jugs) into usable fuel by heating it at high temperatures without oxygen, a process called pyrolysis. This matters because it offers a way to shrink the mountains of plastic piling up in landfills and oceans—plastic that would otherwise take centuries to break down and can degrade into microplastics that contaminate our water, food, and even our bodies. While this research focuses on waste management and energy rather than direct health testing, less plastic pollution generally means less microplastic exposure for humans over time.

Polymers

Environmental pollution caused by plastic waste has become a major global concern.The widespread use of plastic and polythene products has increased significantly because they are inexpensive, lightweight, and durable.However, these materials do not decompose naturally, leading to the accumulation of large amounts of waste in landfills and natural ecosystems.As plastic production continues to rise worldwide, finding effective methods for managing this waste has become increasingly important.Researchers have been exploring various technologies to address the growing plastic waste problem.Among these, pyrolysis has emerged as a promising solution.Pyrolysis is a process in which plastic waste is heated at high temperatures without the presence of oxygen.During this process, the long-chain polymer molecules break down into smaller hydrocarbon compounds, producing useful liquid and gaseous fuels.The fuels obtained through pyrolysis can include products similar to petrol, diesel, kerosene, and lubricating oils.These fuels can be utilized as alternative energy sources, reducing dependence on conventional fossil fuels.At the same time, the process helps in managing plastic waste more effectively and decreases the environmental burden Pyrolytic Conversion of LDPE and HDPE into Fuel Oil https://iaeme.com/Home/journal/IJMET 37

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