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PURIFYING METHOD FOR WATER BY POWDERY ACTIVATED CARBON AND PHOTOCATALYST
PURIFYING METHOD FOR WATER BY POWDERY ACTIVATED CARBON AND PHOTOCATALYST
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机译:粉末状活性炭和光催化剂净化水的方法
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摘要
PROBLEM TO BE SOLVED: To provide a new water purifying method eliminating the need of using an expensive photocatalyst such as titanium oxide and eliminating the need of disposing powdery activated carbon and capable of simply separating powdery activated carbon particles and pbotocatalyst particles by sedimentation from the water to be treated and capable of reusing the separated photocatalyst. ;SOLUTION: In the water purifying method, the powdery activated carbon and titanate are added to raw water, and while or after forming hydrate titanium oxide-activated carbon-composite floc by hydrolyzing the titanate, the org. matter in the raw water is subjected to chemical oxidation by photoirradiation, then the hydrate titanium oxide-activated carbon-composite floc is subjected to solid-liq. separation.;COPYRIGHT: (C)2000,JPO
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