PROBLEM TO BE SOLVED: To solve the problem that, though ballast water is discarded after being treated in various devices because its discard into the sea causes serious pollution in the sea, the treatment requires considerable expense in installation cost or operation cost, and therefor an inexpensive treatment method is desired.SOLUTION: In a purification method of ballast water, oil or bacteria muddled in the ballast water 5 is adsorbed and removed by a lipophilic water-repellent nanofiber sheet 3 spread over on the surface of the ballast water 5 of a ship.

    【課題】 バラスト水の海への廃棄は深刻な海への汚染となるため種々の工夫がなされ処理されて海へ廃棄されている。しかしながら、設置コストや運転コストに相当の費用がかかり、安価な処理方法が望まれていた。【解決手段】 船舶のバラスト水5面上に敷き詰められた親油撥水性ナノファイバーシート3によって、バラスト水5中に混濁している油分やバクテリヤ類を吸着除去するようにしたバラスト水の浄化方法に関するものである。【選択図】図1


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    Title :

    PURIFICATION METHOD OF BALLAST WATER


    Additional title:

    バラスト水の浄化方法


    Contributors:

    Publication date :

    2015-06-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C02F Behandlung von Wasser, Schmutzwasser, Abwasser oder von Abwasserschlamm , TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE / B01J Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie , CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL



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