Method for treatment of ballast water for ship

Disclosed is a ballast water treatment method for killing bacterium, microorganism or organism in a ballast water in a hold or ballast tank of a ship. The method is characterized by adjusting the residual chlorine concentration in the ballast water to 1 to 1000 ppm by mass inclusive by using a hypoc...

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Bibliographic Details
Main Authors TSUCHIYA, YASUSHI, INOKO, MASANORI, OSAKABE, TSUGIYOSHI
Format Patent
LanguageChinese
English
Published 01.01.2009
Subjects
CHEMISTRY
EQUIPMENT FOR SHIPPING
METALLURGY
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:Disclosed is a ballast water treatment method for killing bacterium, microorganism or organism in a ballast water in a hold or ballast tank of a ship. The method is characterized by adjusting the residual chlorine concentration in the ballast water to 1 to 1000 ppm by mass inclusive by using a hypochlorite salt to kill the bacterium microorganism or organism, and then removing the remaining chlorine from the ballast water by using a sulfite salt.
Bibliography:Application Number: TW200796134835