WATER TREATMENT APPARATUS

PROBLEM TO BE SOLVED: To provide a water treatment apparatus which does not require UV irradiation means in large numbers and can treat large amounts of water in a short time.SOLUTION: A ballast water treatment apparatus 12 includes a ballast water treatment container 15 having a ballast water inlet...

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Bibliographische Detailangaben
Hauptverfasser:	NIWA KAZUHIRO, TSUJI YOSHIHIRO, HORIKIRI SHIGETOSHI, NOGAMI WAKANA, YOSHIDA SHINJI, KUROBA TOMOHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY EQUIPMENT FOR SHIPPING METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RELATED EQUIPMENT SEPARATION SHIPS OR OTHER WATERBORNE VESSELS THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a water treatment apparatus which does not require UV irradiation means in large numbers and can treat large amounts of water in a short time.SOLUTION: A ballast water treatment apparatus 12 includes a ballast water treatment container 15 having a ballast water inlet 13 and a ballast water outlet 14, two or more UV irradiation means 16 arranged in the ballast water treatment container 15 and a sponge-like filter 17 capturing plankton. The UV irradiation means 16 comprises a protective pipe 18 opened at both ends and containing a UV lump 19, a lump-supporting implement 20 and a reflection plate 21. The reflection plate 21 is formed in such a way as to cover at least part of the inside wall of the protective pipe 18 upstream.