Title:
BALLAST WATER PREPARATION APPARATUS, SHIP EQUIPPED WITH IT, AND BALLAST WATER PREPARATION METHOD
Document Type and Number:
Japanese Patent JP2007160242
Kind Code:
A
Abstract:
To provide a ballast water preparation apparatus which can remove microorganisms, recover the clogging of a filtration membrane with a safe method without using substantially harmful chemicals after feeding seawater to the filtration membrane for a long time, and obtain a stable amount of ballast water, a ship, and a ballast water preparation method.
The ballast water preparation method comprises a ballast water preparation process for filtering seawater of a harbor area where the ship anchors by a filtration membrane device to turn filtrate into ballast water, and an enzyme cleaning process for cleaning obstructions in the filtration membrane by enzymes. The apparatus performs the method, and the ship is quipped with the apparatus.
Inventors:
MURATA CHIKAKAZU
TAMURA MAKIO
TAMURA MAKIO
Application Number:
JP2005361234A
Publication Date:
June 28, 2007
Filing Date:
December 15, 2005
Export Citation:
Assignee:
ORGANO KK
International Classes:
C02F1/44; B01D65/02; B01D65/08; B63B13/00; C02F1/00; C02F1/02
Domestic Patent References:
| JPH03133947A | 1991-06-07 | |||
| JP2005313143A | 2005-11-10 | |||
| JPH01304007A | 1989-12-07 | |||
| JPH09141068A | 1997-06-03 | |||
| JP2005152799A | 2005-06-16 | |||
| JPH1190432A | 1999-04-06 |
Foreign References:
| US20040217052A1 | 2004-11-04 |
Attorney, Agent or Firm:
Kenji Akatsuka
Yasuo Fukuda
Yasuyuki Sakata
Yasuo Fukuda
Yasuyuki Sakata
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