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Chlorination disinfection byproducts [ edit ] Chlorinated disinfection agents such as chlorine and monochloramine are strong oxidizing agents introduced into water in order to destroy pathogenic microbes, to oxidize taste/odor-forming compounds, and to form a disinfectant residual so water can reach the consumer tap safe from microbial ...
Chloramination is the treatment of drinking water with a chloramine disinfectant. [1] Both chlorine and small amounts of ammonia are added to the water one at a time which react together to form chloramine (also called combined chlorine), a long lasting disinfectant. Chloramine disinfection is used in both small and large water treatment plants.
The chloronitramide anion was first detected as a UV absorbance interference during monitoring of chloramine and dichloramine in 1981. [6] It was then shown to form during the decomposition of both chemicals. [6] It was shown to likely be an anion in 1990. [7]
A newly identified chemical byproduct may be present in drinking water in about a third of U.S. homes, a study found. ... 113 million U.S. residents get chloramine-treated water from their taps ...
Levels of the byproduct were as high as 120 micrograms per liter of water, the study found, above the regulatory limits for many disinfection byproducts, which tend to be around 60 to 80 ...
Chloramine is often used to kill viruses and bacteria in municipal water treatment systems," NBC ... may remove the byproducts of chemicals used to disinfect tap water, but more research is needed ...
The first continuous use of chlorine in the United States for disinfection took place in 1908 at Boonton Reservoir (on the Rockaway River), which served as the supply for Jersey City, New Jersey. [8] Chlorination was achieved by controlled additions of dilute solutions of chloride of lime (calcium hypochlorite) at doses of 0.2 to 0.35 ppm.
"A major goal of our work is to identify these chemicals and the reaction pathways through which they form," said Julian Fairey, an associate professor of civil engineering at the University of ...