INSTALLATION FOR TREATMENT AND DISINFECTION OF SEWAGE WATER Russian patent published in 1996 - IPC

FIELD: treatment and disinfection of fact-containing sewage water in processing of meat, milk and fish products. SUBSTANCE: installation for treatment and disinfection of sewage water has successively arranged bodies 1 with horizontal overflow edges 5 and collectors 15 arranged before them and having vertical holes 16 for filtration of clarified water between air jets. Located in body are radial pipes 11 with discharge holes with packing 13 in form of flexible threads located opposite to them. Sewage water is treated at the outlet of installation in biofilter 7 which accommodates driven conical perforated member-partition 8 for separation of pathogenic microorganisms. Inclined plates 9 and flexible threads 10 are located concentrically to partition 8 to reduce concentration of biological pathogenic matter in sewage water. Active aerobic silt is mixed in conical part of body 1 with live steam supplied through holes of circular header 18. EFFECT: higher efficiency. 6 dwg