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Hydrocarbon Fractions from Thermolysis of Waste Plastics as Components of Engine Fuels
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Researchers developed a thermolysis process to convert mixed plastic waste into liquid hydrocarbon fractions suitable for use as fuel additives. The process produced fuels with properties comparable to diesel components. Converting plastic waste into fuel is one approach to reducing the volume of plastic that ends up in the environment as microplastic pollution.
Plastics are one of the basic construction materials with a wide range of various applications. One of their disadvantages is the problem of managing the waste they generate. Chemical recycling offers the possibility of liquefying polymeric waste and using it as fuel components. Existing technologies giving good quality products are expensive. The HT technology developed and described by the authors is cheaper and enables a high quality product to be obtained. The authors have shown that the quality of the received fuel components is influenced not only by the polymer waste processing technology, but also by the feedstock composition. The presented thermolysis technology not only enables more advanced recycling, but also gives the possibility of partial improvement of the product quality. A product with the best physico-chemical properties was obtained from a blend of PE:PP:PS used in the ratio 60:30:10. It was proved that diesel and petrol blends composed of a 5% v/v share of petrol and diesel fractions, obtained from thermolysis of plastics, meet the normative requirements of fuel quality standards.
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