| 摘要 |
PROBLEM TO BE SOLVED: To provide a circulating flush toilet which safely carries out purification treatment of water to be treated by suitably using ozone treatment that may affect a human body. SOLUTION: A second circulating water path comprises a branch pipe 10 which is provided at a predetermined place of a first circulating water path and separates at least a part of the water to be treated, an ozone treatment chamber 7 which is connected to the branch pipe 10 and carries out ozone treatment of the water to be treated, and a supply pipe 11 for supplying the water which is ozone-treated in the ozone treatment chamber 7 to the first circulating water path. An introduction means 21 for introducing the water to be treated in the first circulating water path to the second circulating water path is provided at a predetermined place of the second circulating water path. COPYRIGHT: (C)2008,JPO&INPIT
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