by U.S. Works Progress Administration for New York City in [New York] .
Written in English
|Other titles||Research in selected problems in sewage treatment.|
|Statement||Director: Lewis V. Carpenter.|
|Contributions||Carpenter, Lewis Van, 1894-1940., New York (N.Y.). Dept. of Sanitation.|
|LC Classifications||Z5853.S22 U55 1937|
|The Physical Object|
|Number of Pages||226|
|LC Control Number||40026239|
Chloramine has been used as a drinking water disinfectant in the U.S. in places like Springfield, Illinois, and Lansing, Michigan since In , an EPA survey estimated 68 million Americans were drinking water disinfected with chloramine l major U.S. cities such as Philadelphia, San Francisco, Tampa Bay, and Washington, D.C. use chloramine to disinfect drinking . Chloramine water disinfection: This article explains the use of chloramines, a secondary disinfectant used to treat drinking water. Chloramine disinfectants are used to treat drinking water because of the ability of these chemicals to provide longer-lasting disinfection of drinking water as it moves through water mains and piping between the community water source and the end-using water consumer. Chloramine, on the other hand is much harder to filter, and most “big name” water filters are not designed to remove it. A special type of activated carbon, called catalytic carbon, is the best tool for removing chloramine from water. WQA Technical Fact Sheet: Chloramine materials to form THMs. Many water utilities overcome the decreased efficiency of monochloramine by dosing first with chlorine, then adding ammonia at a later stage of treatment.
Bibliography and abstracts on the chloramine treatment of water. Country of Publication: United States Publisher: [New York] Description: l. Language: English Other Subject(s): Water / Purification - abstracts, Water / Purification - bibliography NLM ID: R[Book]. Why is Chloramine used for Water Treatment? Disinfection is an essential step in the water treatment process because it can destroy microorganisms that may cause diseases in humans. Public water systems utilize various disinfection practices, some of which may potentially lead to undesired, harmful chemical Size: KB. Water Treatment Plant and Tower Photo credit: North Texas Municipal Water District. Just over two years ago, I wrote an article called Facts about Chloramine Drinking Water Treatment (see also text box below), a now century-old public health practice that continues to grow in use across the United States. About a year later, a follow up article addressed a very common practice for utilities. Chloramine also forms N-nitrosodimethylamine (NDMA) (Section ). Blending of chloraminated water with water containing free residual chlorine in distribution systems could result in breakpoint chlorination or in the formation of dichloramine and nitrogen trichloride, which are .
MONOCHLORAMINE IN DRINKING-WATER 2 biocidal activity against bacteria and low biocidal activity against viruses and protozoan cysts (3,10). By-product formation It has been shown that the use of chloramines for disinfection instead of chlorine reduces the formation of THMs in drinking-water supplies, often by as much as 40– 80% (6. Why and How Is Chloramine Used in Water Treatment? These days, 1 in 5 Americans have water that’s been treated with chloramine. Why and how is this product used during water treatment? Chlorine is the most commonly-used disinfectant in water treatment systems in the US. It’s used to kill disease-causing pathogens including bacteria, viruses. chlorine is added to water containing ammonia. To achieve the desired chloramine concentration, chlorine may also be intentionally added to the already naturally occurring ammonia in the water source. Under the usual conditions of water and wastewater chlorination, monochloramine is the principal chloramine encountered. In the event of. Chloramine, on the other hand, will remain in tap water for an extended period of time and requires a chemical or carbon treatment of the water to effectively remove it. In order to remove the chlorine, the chloramine must be deconstructed into its basic parts, chlorine and ammonia, with each part being treated to remove them.