METHOD OF ELECTROCHEMICAL TREATMENT OF WATER AND DEVICE FOR ITS IMPLEMENTATION Russian patent published in 2019 - IPC C25B9/06 C25B15/02 C02F1/461 C02F1/467 

FIELD: chemistry.

SUBSTANCE: invention relates to a method for electrochemical treatment of water with disinfectants in form of hydroxyl radical (OH), atomic oxygen (O), oxygen (O₂), ozone (O₃), hydrogen peroxide (H₂O₂), hypochlorous acid HClO and hypochlorite ion ClO^-, involving introduction into treated water of disinfectants obtained by direct electrolysis in flow mode of treated water containing 0.1÷20 mg/l of sodium chloride. Method is characterized by that the disinfectants are formed by direct electrolysis of chloride-containing solutions, wherein the electrodes have a titanium base coated with platinum group metal oxides, interelectrode distance is from 1 to 3 mm, and the reverse polarity is performed without intermediate pauses with smooth polarity change. Invention also relates to the device.

EFFECT: wider field of use of reagentless disinfection of water by direct electrolysis, longer service life of electrodes, high efficiency of electrolysis cell while reducing formation of deposits of hardness salts.

4 cl, 4 dwg, 1 tbl