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The Mangere WTP UV Disinfection Facility – Design, Construction and Operation of the Largest Wastewater UV Installation in the World

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The completed UV disinfection facility as part of the Mangere WTP upgrade, with a maximum discharge rate of 16,500 l/s (59,400 m3/h = 376.6 MGD) and a total number of lamps close to 8,000, is one of the largest and most sophisticated wastewater UV disinfection systems in the world. Tests had shown a reduction in viral incidence by a factor of 104. The design permissible bacterial concentration in the treated wastewater is a monthly average of no more than 80 faecal coliforms or 35 enterococci per 100 ml.

The UV system is now in operation for 4 years with a very successful performance record. It continues to draw attention from around the globe as “a world-class installation”.

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 These proceedings are not peer reviewed.

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