METHOD FOR PURIFYING FILTRATION WATERS OF SOLID DOMESTIC WASTE DISPOSAL SITES Russian patent published in 2022 - IPC C02F1/463 C02F1/465 C02F1/469 C02F1/32 

FIELD: treatment of water.

SUBSTANCE: invention relates to a method for purifying filtration waters of solid domestic waste disposal sites, including mechanical filtration thereof, reagent coagulation and flocculation, sedimentation, filtration, electrochemical treatment, UV irradiation, sorption purification and desalination of the filtrate, characterised by the fact that mechanical filtration is performed through a system of self-cleaning filters installed consecutively with the pore size reducing from 10 to 1 mcm, prior to the reagent coagulation and flocculation, the limit concentration of contaminants in the filtrate is adjusted, electrocoagulation and electroflotation are performed as electrochemical treatment, and prior to the electrocoagulation and electroflotation, the filtrate is subjected to electromagnetic activation in a flow hydrodynamic reactor, wherein the filtrate after the electrocoagulation and electroflotation is subjected to effective ozonation with an oxygen-ozone mixture, followed by filtering through a sand-coal system, the UV irradiation is combined with ozonation with an oxygen-ozone mixture, and the desalination is performed by means of electrodialysis of the filtrate.

EFFECT: ensured purification of filtration waters.

4 cl, 2 tbl