| 摘要 |
PROBLEM TO BE SOLVED: To provide a bath water purification device which can positively remove B legionella from the bath water without the necessity to scale up the size of the device. SOLUTION: This bath water purification device is equipped with a circulation pump 2 for circulating bath water, and further, with a hair catcher 1, a purification tank 3 with a porous base material for bearing an aerobic bacterium, a filter 4 with a filtration particle dia. of 10μm and a sterilization device 5 having an ultraviolet sterilization lamp 51, arranged halfway through a bath water circulation channel. These components are arranged in the sequential order of the hair catcher 1, the purification tank 3, the filter 4 and the sterilization device 5 from the upstream side of the circulation channel.
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