WATER TREATMENT METHOD OF WATER RESERVOIR POLLUTED WITH RADIOACTIVE AND HARMFUL CHEMICAL SUBSTANCES Russian patent published in 2012 - IPC G21F9/04 

FIELD: power industry.

SUBSTANCE: water treatment method of natural or artificial water reservoir from radioactive isotopes and harmful chemical substances involves the intake of source water, its pre-treatment and the main treatment by two-stage reverse osmosis so that filtrate is obtained, which is supplied to consumer as treated water and concentrate returned to water reservoir. Combined concentrate obtained at the stage of pre-treatment and the first stage of reverse osmosis is returned to water reservoir, and concentrate obtained at the second stage of reverse osmosis is supplied to the first stage of reverse osmosis.

EFFECT: invention allows improving the efficiency of treatment procedure and reducing the amount of secondary wastes.

6 cl, 1 dwg, 1 ex, 1 tbl