METHOD OF SEWAGE TREATMENT Russian patent published in 1996 - IPC

FIELD: sewage treatment. SUBSTANCE: flow to be treated is continuously fed to the working space of the column to the upper layer of the flow being treated, and ozone-gas bubbles, measuring 1.8 to 2.2 mm, are fed to the bottom layer through a special disperser providing bubbling of bubbles of the same size; concentration of ozone in ozone-gas mixture of bubbles at the outlet from the column working space makes up at least 3 g/qu.m. In the column working space liquid is purified from contaminant and gets disinfected, depoisoned and deodorized as a result of use of surface - active effect at motion of ozone-gas bubbles in liquid and dissolution of ozone in this liquid. EFFECT: facilitated procedure. 1 tbl