BALLAST WATER TREATING DEVICE, SHIP MOUNTED WITH THE BALLAST WATER TREATING DEVICE, AND METHOD OF TREATING BALLAST WATER

BALLAST WATER TREATING DEVICE, SHIP MOUNTED WITH THE BALLAST WATER TREATING DEVICE, AND METHOD OF TREATING BALLAST WATER

PROBLEM TO BE SOLVED: To prevent biofilm from breeding in filtration means, and also achieve a high-speed flow at on-ballast time.SOLUTION: A ballast water treating device includes a water intake means 10 for taking water to be stored in a ballast tank 30, the filtration means 20 for filtrating the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IKAI MICHIAKI, NISHIOKA SHIGENORI, FUJIKI NOBUHIKO, AYA TAKEO, MURAKAMI MUTSUNAO, INOHARA YOSHIYUKI, MATSUOKA KAZUYOSHI, YAMANE KENJI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
EQUIPMENT FOR SHIPPING
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
RELATED EQUIPMENT
SEPARATION
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Zusammenfassung:PROBLEM TO BE SOLVED: To prevent biofilm from breeding in filtration means, and also achieve a high-speed flow at on-ballast time.SOLUTION: A ballast water treating device includes a water intake means 10 for taking water to be stored in a ballast tank 30, the filtration means 20 for filtrating the water taken by the water intake means 10, and a washing means 50 for washing the filtration means 20 for regeneration. The washing is performed with the water containing an agent or an active substance supplied from a sterilizing substance supply means 40 during the washing of the filtration means 20 by the washing means 50, and the polluted water after the washing is stored in a polluted water tank 31.