METHOD OF PRODUCTION OF PACKED-UP POTABLE WATER Russian patent published in 1998 - IPC

FIELD: provision of population with high-quality especially pure potable water with a long storage life. SUBSTANCE: by means of deep- seated water conduit water is taken from the Baikal Lake in sections, whose depth exceeds 400 m. The water intake is located at a height of 25 to 100 m from the bottom. Water is subjected to filtration through three filters: coarse filter (25 um), deep filter (10 um), fine filter (0.2 or 0.65 um), then - to sterilization with the aid of ultraviolet irradiation and ozone, and poured in vessels rinsed with water, which has undergone the same preparation. In production of aerated water ozone treatment is substituted for by carbonation with carbonic acid. EFFECT: enhanced quality. 8 cl