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2. Ultraviolet germicidal irradiation - Wikipedia

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

   A portable, battery-powered, low-pressure mercury-vapour discharge lamp for water sterilization Cutaway model of UV disinfection unit used in water treatment plants. Ultraviolet disinfection of water is a purely physical, chemical-free process.

3. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Ultraviolet light (UV) is very effective at inactivating cysts, in low turbidity water. 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 ...

4. Catskill-Delaware Water Ultraviolet Disinfection Facility

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

   The compound is the largest ultraviolet germicidal irradiation plant in the world. [2] 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])

5. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   They are also called point-of-use water treatment systems and field water disinfection techniques. Techniques include heat (including boiling), filtration, activated charcoal adsorption, chemical disinfection (e.g. chlorination , iodine, ozonation , etc.), ultraviolet purification (including sodis ), distillation (including solar distillation ...

6. Germicidal lamp - Wikipedia

   en.wikipedia.org/wiki/Germicidal_lamp

   This short-wave ultraviolet light disrupts DNA base pairing, causing formation of pyrimidine dimers, and leads to the inactivation of bacteria, viruses, and protozoans. It can also be used to produce ozone for water disinfection. They are used in ultraviolet germicidal irradiation (UVGI). There are four common types available: Low-pressure ...

7. Ultraviolet - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet

   Disinfection using UV radiation is commonly used in wastewater treatment applications and is finding an increased usage in municipal drinking water treatment. Many bottlers of spring water use UV disinfection equipment to sterilize their water.