EPA must update ship ballast water dumping rules, lawsuit says. By Clark Mindock. February 7, 2023 6:53 PM UTC Updated February 7, 2023 Signage is seen at the headquarters of the ...

Water treatment specialist BIO-UV Group has supplied its BIO-SEA ballast water treatment system to French shipbuilder ...

BIO-UV Group has supplied its BIO-SEA ballast water treatment system to Chantiers de l'Atlantique for operation aboard the ...

Unlike other ships, submarines can control their buoyancy. If an object is denser than the water it displaces — pushes aside — it has a negative buoyancy and will sink, meaning it's less buoyant.

Preliminary testing showed that approximately seven hours was sufficient to exchange 90 percent of the volume of the water in a 3,500 cu. m. tank, with a 400 mm diameter Ballast Water Main Line ...