| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water treatment method of organic matter-containing wastewater, which maintains a permeated water flux of an RO membrane in the long term, and enables a longer-term water treatment in highly-concentrated organic matter-containing wastewater. <P>SOLUTION: The water treatment method of the organic matter-containing wastewater comprises the steps of treating the organic matter-containing wastewater by a biological treatment 2, of adding alkaline chemicals to the obtained biologically treated water and subjecting the water to an ozone treatment 4, and of, after the obtained ozonated water is filtrated 5, carrying out passing water through a reverse osmosis membrane 8. The water treatment method of the organic matter-containing wastewater comprises the steps of treating the organic matter-containing wastewater by the biological treatment 2, of ozonating the obtained biologically treated water 4, and of, after the ozonated water is filtrated 5 and subjecting the water to a reduction-treatment 6, carrying out passing water through the reverse osmosis membrane 8. The water treatment method of the organic matter-containing wastewater comprises the steps of treating the organic matter-containing wastewater by the biological treatment 2, of ozonating the obtained biological treated water 4, and of, after the obtained ozonated water is subjected to an activated carbon-filtration-treatment 6, carrying out passing water through the reverse osmosis membrane 8. <P>COPYRIGHT: (C)2009,JPO&INPIT |
