| 摘要 |
PROBLEM TO BE SOLVED: To provide a water treatment method and system in which the long service life is attained by suppressing consumption of electrodes, and treatment efficiency can be improved by preventing excessive electrolysis. SOLUTION: This water treatment system comprises: a primary electrolyzer 1 consisting of a pre-electrolyzer 11 electrolyzing chloride ion-containing water, and a reactor 12 receiving oxidizing object-containing water and supplied with hypochlorous acid formed in the pre-electrolyzer 11, and reducing the oxidizing object in the oxidizing object-containing water by oxidizing decomposition; a secondary electrolyzer 2 consisting of a post-electrolyzer 21 receiving primary electrolyzed water from the pre-electrolyzer and oxidizing and decomposing residual oxidizing object by electrolysis; an electrode-damaging component concentration detection means 3 detecting the electrode-damaging component concentration in the oxidizing object contained in the primary electrolyzed water, or a means estimating a load concentration of the oxidizing object estimated from the secondary electrolysis status; and a charge load control means 4 controlling the charge load of the post-electrolyzer 21 based on the electrode-damaging component concentration, or estimated load concentration. COPYRIGHT: (C)2007,JPO&INPIT
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