| 摘要 |
FIELD: oil and gas industry. ^ SUBSTANCE: there is described oil fractions purification method by their being treated with selective solvent - N-methylpyrrolidone, phenol, furfurol or acetone. Method involves pre-oxidation with hydrogen peroxide in presence of vegetable oil - rape-seed or castor oil as a catalyst. ^ EFFECT: decreasing toxicity, improving stability, corrosion protection and wear preventive properties of oils. ^ 2 cl, 3 tbl, 3 ex |
