METHOD FOR PREPARING COGNAC ALCOHOL Russian patent published in 2008 - IPC C12G3/12 C12H1/22 C12G3/07 

FIELD: liqueur and vodka industry.

SUBSTANCE: method involves feeding wine material from supply tanks, heating in dephlegmator and feeding on a delivery plate of extraction part of distilling column followed by feeding prepared alcohol into condenser and refrigerator. Before feeding alcohol into refrigerator it is subjected for thermal treatment into at least one capacity containing 10 ± 0.5 m³ oak chips split from barrel woods and treated with thermal and alkaline methods. Alcohol is fed to capacity from bottom to upper at temperature in capacity 65-70^°C and holding time 8-24 h. Oak chips of size 200 x 35 x 15 mm are used. This allows intensifying the extraction process of tannic substances from wood to alcohol in placing oak barrel woods into capacity, to accelerate the process for maturing cognac alcohol, to enhance its quality, to decrease alcohol loss, wood consumption, industrial consumptions and labor intensity of production.

EFFECT: improved preparing method.

2 cl, 1 dwg