摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to purification of waste water from petroleum products and can be used on local treatment facilities. Biopreparation Destroil is added to an aerated reservoir filled with waste water in amount of 2.0-4.0 g per 1 cm3 of waste water. The obtained waste water is held for 5-7 days. Further, the treated waste water is fed into a flotation plant. ^ EFFECT: invention increases quality of treatment. ^ 2 cl, 1 tbl, 7 ex |