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2. Ultraviolet germicidal irradiation - Wikipedia

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

   Using UV light for disinfection of drinking water dates back to 1910 in Marseille, France. [61] The prototype plant was shut down after a short time due to poor reliability. In 1955, UV water treatment systems were applied in Austria and Switzerland; by

3. Catskill-Delaware Water Ultraviolet Disinfection Facility

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

   The Catskill-Delaware Water Ultraviolet Disinfection Facility is a 160,000-square-foot (15,000 m 2) ultraviolet (UV) water disinfection plant built in Westchester County, New York to disinfect water for the New York City water supply system. [1] The compound is the largest ultraviolet germicidal irradiation plant in the world. [2]

4. Ozonia - Wikipedia

   en.wikipedia.org/wiki/Ozonia

   UV has another advantage over other disinfectants because no chemicals are added to the water being treated and that no disinfection by-products are formed. These advantages make UV disinfection a top choice for the disinfection of municipal and industrial wastewater and drinking water. Due to UV systems' small footprint, the UV equipment can ...

5. Long Term 2 Enhanced Surface Water Treatment Rule - Wikipedia

   en.wikipedia.org/wiki/Long_Term_2_Enhanced...

   Public water systems (PWS) must conduct source water monitoring for cryptosporidium; Filtration systems for PWS with the highest levels of cryptosporidium; All unfiltered systems must inactivate cryptosporidium using disinfection technologies such as ozone, ultraviolet light, or chlorine dioxide.

6. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   UV light's disinfection effectiveness decreases as turbidity increases, a result of the absorption, scattering, and shadowing caused by the suspended solids. The main disadvantage to the use of UV radiation is that, like ozone treatment, it leaves no residual disinfectant in the water; therefore, it is sometimes necessary to add a residual ...

7. 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 ...