FIELD: purification of sewage. SUBSTANCE: sewage is treated by ozone, thus purification against organomineral material, disinfection and deodorization are simultaneously carried out. The process is carried out in reactor within 20 min. Ozone-air mixture is fed into said reactor at pressure 0.6-1.5 atm, its quantity being 8.3 $$$. EFFECT: increases degree of disinfection, decreases expense of water. 1 tbl
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