FIELD: chemistry.
SUBSTANCE: invention relates to a method of cleaning biofuel compositions based on rapeseed oil, involving neutralization of fatty acids of rapeseed oil, separating the precipitate, mixing 70 % neutralized rapeseed oil with 30 % mineral diesel fuel, or 75 % neutralized rapeseed oil with 25 % kerosene TS-1 with subsequent winterisation, characterized by that stages of cleaning from mechanical impurities and waxes are carried out after mixing components of mixture, winterisation is carried out at temperature of +10 °C, and filtration efficiency is achieved by reducing viscosity when adding mineral diesel fuel.
EFFECT: technical result is maximum extraction of waxes and wax-like substances from rapeseed oil while increasing low-temperature properties of biofuel compositions.
1 cl, 1 dwg, 2 tbl
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