METHOD FOR TREATMENT OF VODKA "PLATINUM FILTRATION" Russian patent published in 2009 - IPC C12H1/44 C12H1/07 

FIELD: chemistry.

SUBSTANCE: method is implemented by the passing of the vodka through immobile bed of active granulated charcoal with granule size 0.4-6.5 mm containing platinum impregnated to it mass in amount 0.001-0.1% at the rate 30-150 dl/hrs. per 1 kg of charcoal (coconut coal can be used as charcoal). Vodka can pass in pulsing mode through immobile bed of active granulated charcoal containing silver impregnated to it mass in amount 0.05-4.0 wt % at the rate 6-30 dl/hrs. per 1 kg of charcoal. The charcoal bed is located between protective and supporting cylinders provided with through holes of the cartridge filter with end covers.

EFFECT: level enhancing of vodka purification from toxic admixtures, decrease of sulphates, iron, methanol, 2-propanol content and enhancing of the vodka organoleptic indicators.

3 cl, 2 tbl, 6 ex