Article
UV Light — A Brighter Disinfection Alternative
September 9, 2009
•Article: UV Light — A Brighter Disinfection Alternative
By: Rob Jansen, Kenny Khoo, and Regan Thompson, Trojan Technologies
Through many decades of research and development, UV (ultraviolet) disinfection technology has seen significant advances in the types of water that can be treated, the operation and maintenance of the UV equipment, and the overall costeffectiveness of a UV system.
Approximately 25% of the wastewater treatment plants in North America currently use UV for disinfection. Although UV's primary use in North America has been for wastewater, many drinking water facilities are also installing UV in order to meet the U.S. Environmental Protection Agency's Long Term 2 Enhanced Surface Water Treatment Rule to protect water supplies from Cryptosporidium — a chlorine-resistant organism that is easily treated with low doses of UV.
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