METHOD FOR TREATMENT OF DRINKING WATER Russian patent published in 2010 - IPC C02F1/68 

FIELD: technological processes.

SUBSTANCE: invention is related to processing of tap drinking water and may be used to produce drinking water with useful content of physiologically active fluorine, silver, calcium, magnesium ions, etc. Method for drinking water treatment includes supply of tap water flow and its contact with hard material, which contains physiologically active substance placed in cartridge located in body. Then water from body with cartridge is sent to reservoir, useful volume of which exceeds useful volume of body with cartridge at least n times, afterwards water saturated with physiologically active substance is mixed with water contained in reservoir of larger volume, besides, minimum value n is identified by the ratio: n=S×T×(K+k):V×k where: S is specified constant volumetrical speed of water bleeding from reservoir of larger volume (l/min); T is time for water bleeding with constant volumetric speed from body with cartridge, which is required to reduce concentration of supplied substance down to specified limits (min); K is value of maximum produced concentration of supplied substance in body for this type of cartridges (mg/l); V is useful volume of body with cartridge (l); k is specified concentration of introduced substance in water (mg/l).

EFFECT: invention makes it possible to evenly introduce physiologically necessary substances in specified concentration independently on interruptions in operation.

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