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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

    Low power consumption of semiconductors introduce UV disinfection systems that utilized small solar cells in remote or Third World applications. [ 2 ] By 2019, LEDs made up 41.4% of UV light sales, up from 19.2% in 2014 [ 3 ] The UV-C LED global market is expected to rise from $223m in 2017 to US$991m in 2023.

  4. 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.

  5. Ultrasonic cleaning - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_cleaning

    The primary solvent may be water or a hydrocarbon (historically, toxic solvents such as carbon tetrachloride and 1,1,1-Trichloroethane were used industrially, but have been phased out [9]). There are several formulations, dependent on the item being cleaned and the type of contamination (e.g., degreasing of metal, cleaning of printed circuit ...

  6. This UV phone sanitizer will cleanse your cell of all germs - AOL

    www.aol.com/lifestyle/uv-phone-sanitizer-cleanse...

    PhoneSoap is the first UV-C cell sanitizer and charger. Unlike most cleaning products, this device has two germicidal UV bulbs that have apparently been proven to wipe your phone of (almost all ...

  7. Solar water disinfection - Wikipedia

    en.wikipedia.org/wiki/Solar_water_disinfection

    Solar water disinfection, in short SODIS, is a type of portable water purification that uses solar energy to make biologically-contaminated (e.g. bacteria, viruses, protozoa and worms) water safe to drink. Water contaminated with non-biological agents such as toxic chemicals or heavy metals require additional steps to make the water safe to drink.

  8. 3 Zodiac Signs Closing Doors Under the Gemini Full Moon - AOL

    www.aol.com/3-zodiac-signs-closing-doors...

    The Gemini Full Moon, rising on December 15, 2024, signals a time for self-introspection and endings. For some zodiac signs, this lunar event brings significant opportunities to release old ...

  9. Pro Picks: Eagles will cruise past the Commanders and ... - AOL

    www.aol.com/pro-picks-eagles-cruise-past...

    CHARGERS: 23-20 Line: Chiefs minus 3 Mahomes plans to play with a mild high-ankle sprain as the Chiefs push toward a No. seed in the AFC. Kansas City is coming off its first win by more than one ...