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김성욱(Sung-Wook Kim),최성국(Sung-Kuk Choi),박대원(Dae-Won Park),길경석(Gyung-Suk Kil),표태성(Tae-Sung Pyo) 한국마린엔지니어링학회 2009 한국마린엔지니어링학회 학술대회 논문집 Vol.2009 No.-
Ballast water is being used to keep ship's balance and it is reported that marine species transferred from the ballast water are over 3,000 species. The exotic marine species by exchange of the ballast water cause contamination of marine ecology and the damages are being increased. With this background, the International Maritime Organization(IMO) has adopted the convention on ballast water management that all ships entering in port should equip with a water treatment system. This paper described a ballast water treatment system using medium-pressure mercury lamps, and we analyzed ultra violet(UV) spectrum of the medium-pressure mercury lamp and evaluated disinfection efficiency as compared with plankton figures before and after UV treatment.