Method for decreasing the alcohol content of alcohol-...

Details Method for decreasing the alcohol content of alcohol-... Method for decreasing the alcohol content of alcohol-...

C - Chemistry, Metallurgy

12

G

195/4, 182/13.1

C12G 3/08 (2006.01)

Patent

CA 1236035

Abstract In a method for decreasing the alcohol content of alcohol- containing beverages, particularly wine or sparkling wine, accord- ing to the reverse osmosis process, extract substances are added to the dealcoholized beverage. In order to avoid addition of foreign water to the beverage, the alcohol-containing permeate obtained by reverse osmosis from the beverage subjected to de- alcoholization is distilled in a vacuum. The permeate water pro- duced therefrom is re-fed to the beverage subjected to the de- alcoholization. The amount of permeate distillate removed from the beverage subjected to dealcoholization by the reverse osmosis and subsequent vacuum distillation, which essentially consists of alcohol, is fed to the beverage subjected to the dealcoholi- zation in the form of water, which has also been obtained by vacuum distillation from an additional beverage. In this manner, particularly high quality sparkling wine may be produced.

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