| 摘要 |
PROBLEM TO BE SOLVED: To provide a water treatment method and a water treatment apparatus for elctrolyzing the water to be treated by detecting the quality and quantity of the water to be treated and adjusting the electrolytic density according to the state of the water to be treated. SOLUTION: When sewage is treated by immersing electrodes 11A, 12A, 11B, 12B, 11C and 12C for electrolysis in an electrolytic cell 15 in a sewer pipeline 1 and producing hypo-halogenous acid, ozone or active oxygen in the sewage, the states of the sewage before and/or after the treatment are detected with a flow rate sensor 16 and a turbidity sensor 17, and the number of the electrodes to be energized (the area to be energized) and/or electric power to be supplied to each of the electrodes are controlled according to the detection result. COPYRIGHT: (C)2005,JPO&NCIPI
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