FIELD: performing operations.
SUBSTANCE: invention relates to a method for purifying waste oil, involving tangential filtration of waste oil using a ceramic membrane, at which the retentate is cooled by its circulation through the heat exchanger and the oil is cooled in the tank with the initial waste oil by its circulation through the heat exchanger. Invention also relates to a device.
EFFECT: use of the proposed invention enables to provide a given filtration rating of the membrane.
12 cl, 5 dwg, 8 ex
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