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 ...

U.K.-based ballast water treatment systems (BWTS) manufacturer Coldharbour Marine has launched a new treatment process designed specifically for large dry bulk vessels and ore carriers. The system ...

Ship owners and operators want to carry as little ballast as possible on a voyage. Increased ballast causes a reduction in ship speed and an increase in fuel consumption, or both, with associated ...