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Abstract

On average, there are about 60 kg of rubber in a passenger car, about 67% of which are tires, about 20% of all kinds body seals, doors and windows, suspension elements amount to 5%, the rest are other elements related to the engine (seals, hoses, wires, pads, etc.). Rubber waste is too valuable resource to direct to landfills. The vast majority of recovery of used tires in Poland (over 70%) is carried out by burning tires with energy recovery. Tires in the form of granulate, mixed with coal dust, are burn in some combined heat and power plants. The paper presents results of experimental studies of possible use for energy purposes, granules and pyrolysis oil the resulting from discarded car tires for increasing ecological and energy safety. Energy properties of granulates and pyrolysis oil were investigated and the shape and size of granulate particles were analyzed. For this purpose, digital image processing (CAMSIZER device) and calorimeter were used. It was found that the products of tire recycling decommissioned from exploitationare the high-energy material with good calorific value. Based on the results of experimental studies, application conditions of rubber waste for energy purposes was formulated.