Crockett & Crockett, PC
Method for treating ship ballast water with membrane
A method for treating ship ballast water with a membrane, which can easily separate and reliably remove a fouling substance attached to a membrane and maintain the membrane flux for long periods.The method including a membrane separation step of taking in seawater in a port area in which a ship is anchored and separating a microorganism with a size equal to or greater than a predetermined size therefrom with a membrane filtration apparatus installed in or on a hull of the ship and having a filtration membrane module, a backwash step of separating a fouling substance attached to a membrane surface of the membrane filtration apparatus from the membrane surface by backwashing is provided.
Mitsui Engineering & Shipbuilding Co., Ltd.
B B C B C B B B B B
B63B B01D C02F B01D C02F B63J B01D B01D B01D B63J
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Masahiro Toshio
Saito Sano