"The idea is that after five days, the treated [tank] should have very close to nothing alive in there," he says. Chlorine is just one approach to the ballast water problem, Tamburri adds.

Testing proved an insignificant effect on bare steel – so small that the acceleration of corrosion due to the presence of free chlorine has minimal practical implications in ballast tanks.

Figure 1 shows compute streamlines and chlorine concentration in the mixing ... Ballast water sediments Sediments tend to collect in ballast water tanks. They reduce the deadweight (payload ...

"Ballast tanks are entire ecosystems that build up ... ultraviolet light infiltration and chlorine dioxide, according Barry Burns, a specialist for the Michigan Department of Environmental Quality ...