Production of fuel blends from diesel oil and waste products
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Publication date: 2017-11-01
Combustion Engines 2017,171(4), 255–258
The aim of the study was to evaluate the physico-chemical parameters of the fuel blends consist of a diesel oil and waste products,such as a pyrolytic oil from car tires and a frying oil. The samples were characterized by the kinematic viscosity at 40°C, density at 15°C, acid value, sulphur content, temperature of flash point and temperature of cold filter plugging point. The obtained results indicated that the fraction of the pyrolysis oil due to the very low temperature of flash-point and high sulphur content is a difficult material to use in the biofuels sector. While the sulphur content of that material may be reduced by the desulphurisation, whereas the increasing temperature of flash point, which greatly influenced the low value of this parameter for the mixture, is problematic. What is more, a high degree of oxidation of the frying oil determined too low stability of the produced methyl esters, and thus the fuel blends.