PROCESS FOR PREPARATION OF VODKA PRODUCT Russian patent published in 1994 - IPC

FIELD: alcohol industry. SUBSTANCE: distilled ethyl alcohol is diluted with conditioned drinking water followed by filtration of the improved water through sand filters and aftertreatment of the filtered water, with conditioned drinking water is further filtered through natural finely-divided silica stone material, and aftertreatment of the improved water as filtered through sand filters is carried out in column packed with natural finely-divided silica stone material. EFFECT: improved quality of vodka product.