APPARATUS FOR WATER TREATMENT

PROBLEM TO BE SOLVED: To provide an apparatus for water treatment capable of purification treatment of water by efficiently decomposing organic substances contained in the water as impurities. SOLUTION: In an oxidation-promotion process in which an oxidation agent 28 in the water 13 to be treated is...

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Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an apparatus for water treatment capable of purification treatment of water by efficiently decomposing organic substances contained in the water as impurities. SOLUTION: In an oxidation-promotion process in which an oxidation agent 28 in the water 13 to be treated is irradiated with ultraviolet rays, the water undergoes through not only the irradiation but also aeration. Large amounts of organic substances can efficiently be decomposed with strongly oxidizing hydroxy radicals 29 efficiently generated in large quantities by the ultraviolet irradiation and diffused in a wide range by the aeration bubbles. By providing an activated carbon treatment process following the oxidation-promotion process, the long life-span of the activated carbon of the activated carbon treatment process can be achieved due to the oxygen introduced by the aeration, and at the same time, the reducing treatment of the oxidizing agent 28 used in the oxidation-promotion process can be carried out. COPYRIGHT: (C)2010,JPO&INPIT