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Improved Disinfection with a New Pulsed UV Lamp

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This paper reports on improved disinfection with a new pulsed Surface Discharge (SD) UV lamp, which is mercury-free. The SD lamp produces a discharge along the surface of a dielectric. The measured UV efficiency based on input electrical power for the SD lamp is 17% compared to 12% measured for a medium pressure mercury lamp. In addition, tests showed that the effectiveness of the SD lamp at inactivating Bacillus subtilis and MS2 coliphage, on a per-dose basis, is higher than both low pressure mercury and medium pressure mercury lamps.

Document Type: Research Article


Publication date: January 1, 2005

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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