Type approval for GEA ballast system
The BallastMaster ultraV ballast water management system from GEA Westfalia Separator Group has been type approved to IMO standards and released for the market with no constraints.
GEA Westfalia says that its newly-launched ultraviolet radiation system for the treatment of ballast water, the BallastMaster ultraV, has received type approval in accordance with IMO guidelines and regulations.
The system is described as a mechanical/physical solution for treating ballast water including that with a high concentration of organisms and sedimentary particles, operating in two-stages, with mechanical pre-filtration and subsequent disinfecting of the ballast water by UV-C and ultrasonic radiation without the use or generation of chemicals.
In the first stage, an upstream mechanical filtration system removes organisms and sedimentary particles larger than 20 microns. This prevents deposits from accumulating in the ballast water tanks, as well as guaranteeing effective disinfection in the second stage. The filter modules are self-cleaning by an automatic vacuum extraction process.
In the second stage, the pre-filtered ballast water is disinfected by UV-C radiation and ultrasonics. The company says that the monochromatic UV-C radiation (254 nm) effectively destroys organisms such as bacteria or phytoplankton, while the microcavitation effected ultrasonically ensures that the biofilms and deposits on the UV-C tubes are cleaned off efficiently and permanently. Further, the cell membranes of the organisms are fractured, which maximises the efficiency of the UV-C radiation.
The combination of short-wave UV-C radiation and ultrasonic ensures consistent quality disinfecting in accordance with IMO guidelines and guarantees that harbour checks of any kind are passed without problems. With the type approval now in place, the BallastMaster ultraV is released for sale, with no constraints.
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