PURPOSE: To obtain safe and tasteful water, by holding the temp. of water to a specific temp. or less after mineral adding treatment, dechlorination/org. adsorbing treatment and ultraviolet sterilizing treatment are applied to drinking water to be treated.
CONSTITUTION: Water 1 to be treated is at first guided to a cartridge filter 2 packed with a filter material 3 to remove the suspended substance such as iron contained in said water 1 and a part thereof is sent to a mineral adding tank 5 from a water gathering pipe 4. The water, which has passed through the packed bed of minerals 7 in the tank 5 and received the addition of mineral components, is further passed through the adsorbent 12 packed inside the minerals 7 and chlorine, malodorous components and other org. substances in said water are removed. The treated water is sent to a cooler 6 from the tank 5 through a water gathering pipe 13 and, on the way of this process, mixed with water to be treated bypassing a CO2 dissolving tank 8 and the mineral adding tank 5 to obtain water having desired hardness and containing free carbonic acid components. Subsequently, said water is cooled to 20°C or less and sterilized by an ultraviolet sterilizing tank 15.
YASUTAKE SHIGEO
KONO TAKU
YAMAMOTO SHINJI
EBARA RES CO LTD
| JPS60193586A | 1985-10-02 | |||
| JP58190492B | ||||
| JP57161491B | ||||
| JPS5735986A | 1982-02-26 |
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