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The article discusses an urgent problem of designing systems for ship ballast water (BW) treatment ensuring high efficiency at low power consumption and small mass and size. Transportation of invasive organisms with ballast water presents a serious danger for the world ocean. According to the International Marine Organization (IMO), the BW global turnover reaches 12 billion tons annually. A number of species of aquatic organisms transferred daily with ballast water exceeds 7,000. Many of them not only survive in b...

Health and working efficiency of river and marine craft crews depend largely on the quality of drinking water. In this respect, autonomous water treatment systems for ships are of extreme importance, which should be efficient, reliable, and safe providing required quality of drinking water by all chemical and microbiological indicators. The article analyzes existing methods of cleaning, disinfecting and conditioning drinking water for ships. Methods of maintaining drinking water quality during prolonged storage in...