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  2. Ultraviolet germicidal irradiation - Wikipedia

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

    By 2001, over 6,000 UV water treatment plants were operating in Europe. [62] Over time, UV costs have declined as researchers develop and use new UV methods to disinfect water and wastewater. Several countries have published regulations and guidance for the use of UV to disinfect drinking water supplies, including the US [63] [64] [65] and the ...

  3. Germicidal lamp - Wikipedia

    en.wikipedia.org/wiki/Germicidal_lamp

    A germicidal lamp (also known as disinfection lamp or sterilizer lamp) is an electric light that produces ultraviolet C (UVC) light. This short-wave ultraviolet light disrupts DNA base pairing , causing formation of pyrimidine dimers , and leads to the inactivation of bacteria , viruses , and protozoans .

  4. Solar water disinfection - Wikipedia

    en.wikipedia.org/wiki/Solar_water_disinfection

    The SODIS method uses a combination of UV light and increased temperature (solar thermal) for disinfecting water using only sunlight and repurposed PET plastic bottles. SODIS is a free and effective method for decentralized water treatment , usually applied at the household level and is recommended by the World Health Organization as a viable ...

  5. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Ozone disinfection, or ozonation, is an effective method to inactivate harmful protozoa that form cysts. It also works well against almost all other pathogens. Ozone is made by passing oxygen through ultraviolet light or a "cold" electrical discharge. To use ozone as a disinfectant, it must be created on-site and added to the water by bubble ...

  6. Can UV light wands actually disinfect your Airbnb? An expert ...

    www.aol.com/uv-light-wands-actually-disinfect...

    UV radiation, or ultraviolet radiation, comes from the sun. UVA, UVB, and UVC represent UV radiations of different wavelengths. Can UV light wands actually disinfect your Airbnb?

  7. 7 of the best UV disinfecting devices for your home - AOL

    www.aol.com/news/7-of-the-best-uv-cleaning...

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