SEAWATER TREATMENT METHOD, SEAWATER TREATMENT APPARATUS, AND ANTIFOULING APPARATUS OF SEAWATER UTILIZATION STRUCTURE

To provide a seawater treatment method, a seawater treatment apparatus, and an antifouling apparatus of a seawater utilization structure which are capable of removing chlorine in seawater without adversely affecting an ambient environment.SOLUTION: An antifouling apparatus (seawater treatment appara...

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Bibliographische Detailangaben
Hauptverfasser: OBA TADAHIKO, MIZUNO ERIKA, SONE YUKIHIRO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a seawater treatment method, a seawater treatment apparatus, and an antifouling apparatus of a seawater utilization structure which are capable of removing chlorine in seawater without adversely affecting an ambient environment.SOLUTION: An antifouling apparatus (seawater treatment apparatus) 20 comprises: a disinfectant supplying mechanism 21 which is disposed in a seawater intake channel 10A and adds a chlorine disinfectant to seawater; and a chlorine removal mechanism 22 which is disposed in a seawater discharge channel 10C and removes chlorine in the seawater supplied with the chlorine disinfectant. The chlorine removal mechanism 22 adds one or more selected from the group consisting of a ferrous ion, an acid-dissolved solution of ferrous sulfate, and hydrogen peroxide to the seawater to remove the chlorine in the seawater.SELECTED DRAWING: Figure 2 【課題】周辺環境に悪影響を及ぼすことなく海水中の塩素を除去することができる海水処理方法、海水処理装置及び海水利用構造物の防汚装置を提供すること。【解決手段】防汚装置(海水処理装置)20は、海水取水路10Aに配置され、海水に塩素系殺菌剤を添加する殺菌剤供給機構21と、海水放水路10Cに配置され、該塩素系殺菌剤が供給された海水中の塩素を除去する塩素除去機構22とを備える。塩素除去機構22が、第一鉄イオン、硫酸第一鉄の酸溶解液及び過酸化水素からなる群から選択される1種以上を海水に添加することにより、該海水中の塩素を除去するようになされている。【選択図】図2