The influence of the structure of components of mixed extractants on the pa
rtition and separation coefficients was studied for the system: water - eth
anol - mixed extractant. Oxygen - containing compounds, which act rather po
orly as ethanol extractants, were used in the experiments. The influence of
the composition of the extract on the distillation process of water - etha
nol - extractant mixtures was also discussed, and a schematic method of man
ufacturing on oxidation additive for fuels was proposed.