The ballast water of saltwater ships that enter the Great Lakes could be treated effectively and relatively inexpensively at an on-land treatment plant, according to a study paid for by the Wisconsin ...

A ship or any other freely floating body displaces its own weight of the liquid it is in when afloat. This weight (w) acts downward through the center of gravity of the body (G) and is resisted by an ...

The discharge of ballast water used to balance a ship is a real man-bites-dog story. This is an issue where environmental groups, public health organizations, businesses, trade associations, tribes, ...

Ballast water sample. Image courtesy SGS. After much discussion and three rounds of votes, text for the interim guidance for ships ballasting in challenging, high sediment water was finally approved ...

Ships that transport goods around the world are carrying some dangerous stowaways. Tiny organisms travel from port to port in a ship's ballast water. And some of them have become invasive species, ...

Ballast water management is a critical component of modern maritime operations, essential for maintaining vessel stability while posing significant environmental challenges. The inadvertent transport ...

Ships take in and let out millions of gallons of water from ballast tanks to help balance loads, often when loading and unloading and sometimes when they are under way for stability. Ballast water is ...

Image courtesy SciencoFAST InTank Bulk Chemical and DeChlor Modules. Photo courtesy SciencoFAST InTank Dosing Module and Circulation Pump. Photo courtesy SciencoFAST Rudy Mes and Giles Candy of ...

BIO-UV Group has completed the first commercial deployment of its containerised BIO-SEA ballast water treatment system (BWTS) at Port-la-Nouvelle in southern France, supporting the installation of the ...

CC0 Usage Conditions ApplyClick for more information. Smithsonian marine biologists Kim Holzer and Jenny Carney sample ballast water from a bulk cargo ship in Virginia. Large ships take on ballast ...

Ships have always required ballast to operate successfully and safely. For millennia, ships carried solid ballast in the form of rocks, sand, roof tiles, and many other heavy materials. From the 1880s ...