FIELD: chemistry.
SUBSTANCE: invention relates to biotechnology, particularly to biological purification of waste water from oil products using active sludge and a biological preparation Destroyl. The method involves addition of Destroyl biological preparation to waste water before the aerotank and to active sludge before the aerotank, where Destroyl is added to the waste water and active sludge in ratio ranging from 3:4 to 4:3.
EFFECT: method increases efficiency of removing oil products.
2 cl, 1 tbl, 10 ex
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