FIELD: cleaning sewage from suspended, inorganic and organic substances; treatment of domestic and industrial sewage. SUBSTANCE: method consists in treatment of sewage by flotation, coagulation, flocculation, filtration and ozonization, filtration and separation of sediment in one apparatus accompanied by delivery of residual ozone together with water-and-air mixture to floatation plant. Treatment process is continuous and is fully automated. Flocculation chambers and filters of sewage treatment apparatus are divided into two sections by partition. EFFECT: possibility of performing treatment, decontamination and deodorization simultaneously. 6 cl, 1 dwg, 2 tbl
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