FIELD: purification of waste waters with petroleum share. SUBSTANCE: filter for purification of waste waters with petroleum share has vertical body with bottom, elastic-flexible mean of loading, located along axis of body worm feeder, lower part of which is made hollow, perforated and is connected with feeding branch pipe; ring-type chamber for petroleum products collection, located in body and spaced from upper part of worm feeder; guiding mean in the form of cylindrical-conical shell and chamber for filtrate collection, located coaxially along periphery of body. EFFECT: increased quality of waste waters with petroleum share purification. 3 dwg
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