To enable the effective utilization of a used filter medium for tap water, reduction of total cost from supply to disposal of a filter medium for tap water, and facilitation of planned operation of the filter medium.
In a method of supplying and recovering filter medium for tap water, a cement manufacturing company 2 supplies the filter medium for tap water to a water supply company 1 using the filter medium, and after passing a predetermined period of time, the cement manufacturing company 2 recovers the used filter medium from the water supply company 1 to dispose the recovered used filter medium by using it as a part of a cement raw material. An exchange time of the filter medium is predetermined between the water supply company 1 and the cement manufacturing company 2, and the cement manufacturing company 2 performs the supply and disposal of the filter medium every predetermined exchange time.
SHIBAZAKI HIDEO
KANETANI MUNETERU
SUMITANI YUJI
KANODA JIN
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