FIELD: magnetic separation. SUBSTANCE: waste is mixed with washing solution in the first tank resulting in dissolving of oil and water-alkali emulsion covering waste particles. Ferromagnetic particles contained in waste are separated by agency of magnetic field in the same tank, whereas other particles are washed in the following tank. Ferromagnetic particles are transferred into another tank where they become subject to the second washing step. Separated oil-free particles are isolated from washing liquid on corresponding filtration arrangements. EFFECT: improved procedure. 14 cl, 3 dwg
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