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Title:
BALLAST WATER TREATMENT SHIP AND TREATMENT METHOD OF UNTREATED BALLAST WATER
Document Type and Number:
Japanese Patent JP2009248854
Kind Code:
A
Abstract:

To provide a ballast water treatment ship and a treatment method of untreated ballast water capable of flexibly coping with the drainage performance of an acceptance target ship with untreated ballast water without having ballast water treatment equipment, and capable of treating the untreated ballast water.

The ballast water treatment ship 1 is provided with an acceptance means 2 for accepting the untreated ballast water from the acceptance target ship 200, and a treatment device for producing treatment water by killing an aquatic organism and bacteria in the untreated ballast water. The acceptance means 2 is equipped with at least one of in-flow ports for accepting the untreated ballast water, and at least one of out-flow ports for supplying a part of the accepted untreated ballast water to other ballast water treatment ships. A plurality of the ballast water treatment ships are prepared in accordance with the drainage performance of the acceptance target ship 200, and the untreated ballast water delivered from the acceptance target ship 200 is transferred to the other ballast water treatment ships 1 in order through relay hoses 102 and 103, and thereby, the untreated ballast water is treated by a plurality of the ballast water treatment ships 1.


Inventors:
MIYANABE RYOICHI
UEKI SHUJI
ONISHI IZUMI
Application Number:
JP2008101428A
Publication Date:
October 29, 2009
Filing Date:
April 09, 2008
Export Citation:
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Assignee:
MITSUI SHIPBUILDING ENG
International Classes:
B63B35/00; B01D19/00; B63B13/00; B63B35/44; C02F1/20; C02F1/34; C02F1/50; C02F1/78
Domestic Patent References:
JP4303758B22009-07-29
Attorney, Agent or Firm:
Eiichi Maruyama