Danish shipping equipment company Bawat has developed a low - cost , environmentally friendly ballast water treatment technology free of filters , chemicals and UV lamps , and powered by waste heat from a ship ’s engines . It kills marine life quickly and is suitable for most types and sizes of ships , but is most fit for the retrofit market . The system has been IMO approved and has received a favourable response from the US Coast Guard . The company already has sales and engineering partners in Turkey and the UAE. Bawat CEO Kim Diederichsen said the system has already been installed in four vessels .
Danish shipping equipment company Bawat has developed a low - cost , environmentally friendly ballast water treatment technology free of filters , chemicals and UV lamps , and powered by waste heat from a ship ’s engines . It kills marine life quickly and is suitable for most types and sizes of ships , but is most fit for the retrofit market . The system has been IMO approved and has received a favourable response from the US Coast Guard . Bawat CEO Kim Diederichsen said the system has already been installed in four vessels .