FILTER FOR PURIFYING POTABLE WATER Russian patent published in 1997 - IPC

FIELD: environmental control, human health protection. SUBSTANCE: proposed filter comprises body filled with activated carbon, upper and lower axial-end covers, perforated discs interposed between covers and body, inlet and outlet pipes and frame. Filter also comprises circular baffle plate arranged between inlet pipe and lower perforated disc at distance equal to 0.03-0.04 body height and having diameter equal to 0.25-0.30 disc diameter. Nets made of Kapron-fibres are laid between discs and carbon. Carbon containing 0.04-0.08% by weight is used as activated carbon. EFFECT: proposed filter is versatile and can be used at home for final purification of potable water. 3 cl, 1 dwg, 1 tbl