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2. Ultraviolet germicidal irradiation - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet_germicidal...

   Large-scale urban UV wastewater treatment is performed in cities such as Edmonton, Alberta. The use of ultraviolet light has now become standard practice in most municipal wastewater treatment processes. Effluent is now starting to be recognized as a valuable resource, not a problem that needs to be dumped.

3. Catskill-Delaware Water Ultraviolet Disinfection Facility

   en.wikipedia.org/wiki/Catskill-Delaware_Water...

   The UV facility treats water delivered by two of the city's aqueduct systems, the Catskill Aqueduct and the Delaware Aqueduct, via the Kensico Reservoir. [3] (The city's third supply system, the New Croton Aqueduct, has a separate treatment plant. [4]) The plant has 56 energy-efficient UV reactors, and cost the city $1.6 billion.

4. List of wastewater treatment technologies - Wikipedia

   en.wikipedia.org/wiki/List_of_wastewater...

   "Wastewater Technology Fact Sheets". Washington, D.C.: U.S. Environmental Protection Agency (EPA). 25 June 2015. Primer for Municipal Wastewater Treatment Systems (Report). EPA. 2004. EPA 832-R-04-001. Industrial Wastewater Treatment Technology Database EPA.

5. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   UV-treated water must therefore not be exposed to visible light for any significant period of time after UV treatment, before consumption, to avoid ingesting reactivated and dangerous microbes. Recent developments in semiconductor technology allows for the development of UV-C Light Emitting Diodes (LEDs). UV-C LED systems address disadvantages ...

6. Xylem wins contract to supply Sweden's largest UV ... - AOL

   www.aol.com/news/2013-07-15-xylem-wins-contract...

   Xylem wins contract to supply Sweden's largest UV disinfection facility for drinking water WHITE PLAINS, N.Y.--(BUSINESS WIRE)-- Xylem Inc. (NYS: XYL) , a leading global water technology company ...

7. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Portable water purification devices and methods are available for disinfection and treatment in emergencies or in remote locations. Disinfection is the primary goal, since aesthetic considerations such as taste, odour, appearance, and trace chemical contamination do not affect the short-term safety of drinking water.