FIELD: oil reclaiming devices. SUBSTANCE: method consists in preliminary filtering of used oil through water-repelling filtering materials possessing different degree of filtration followed by ultrafiltration of oil through water-repelling diaphragm after which purified oil and concentrate are obtained. Concentrate is recirculated to preliminary filtration stage; filtering materials of preliminary filtration stage are regularly washed with gasoline fed in counter flow. Water-repelling diaphragm of ultrafiltration stage is also washed with gasoline fed by direct flow. Description is also given of the plant for reclaiming used oils. EFFECT: enhanced efficiency. 3 cl, 1 dwg, 5 tbl
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