Article
Ultraviolet Technology - A Primer
June 29, 2011
•Article: Ultraviolet Technology - A Primer
By VIQUA, a Trojan Technologies Company
UV disinfection is an established technology supported by decades of use in applications from drug manufacturing to wastewater treatment. The germicidal properties of sunlight were discovered by Downes and Blunt (1877). Once it was understood that UV light was the wavelength responsible for this germicidal activity, the development of mercury lamps as artificial UV light sources in 1901, and the use of quartz as a UV transmitting material in 1906, paved the way for the technology to be developed and used in a controlled and meaningful way. The first drinking water disinfection application took place in Marseilles, France in 1910, and considerable research on the mechanisms of UV disinfection and the inactivation of microorganisms has since been completed.
Reprinted with permission of Water Conditioning & Purification Magazine© May 2011.
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