FIELD: waste water treatment. SUBSTANCE: water is passed through apparatus with a pair of constant magnets ensuring consecutive action of unlike poles on water at gap magnetic induction level between 0.32 and 0.82 Tl and then filtered through several beds of basalt fibers alternated with powdered adsorbent beds composed of high-activity aluminum oxide. Invention can be used for building of local treatment plants at oil fields, petroleum storage depots, petroleum processing works, and also when eliminating consequences of accidents leading to pollution of natural reservoirs with oil products. EFFECT: increased cleaning efficiency. 2 cl, 1 tbl
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