| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water treatment system which can perform treatment with a high electrolytic efficiency, and obtain treated water after electrolysis treatment of a quality suitable for reuse. <P>SOLUTION: The water treatment system comprises a reductor 1 for reducing chlorine by adding a reducing agent 11 to water 10 containing substances to be oxidized, a membrane pretreatment device 2 for adjusting a water quality of water to be treated after reduction, a concentrator 3 for concentrating chloride ions in pretreated water 12, an electrolyzer 4 for electrolyzing a concentrate obtained by the concentration to generate hypochlorous acid, and oxidatively decomposing the substances to be oxidized by the hypochlorous acid, and a circulation line for circulating an electrolyzed liquid 17 after the electrolysis to the reductor 1. <P>COPYRIGHT: (C)2007,JPO&INPIT |
