Nitrosamines: A review of formation pathways, precursors, control, and occurrence in drinking water

Nitrogenous disinfection by-products (N-DBPs) are emerging by-products that may be present in drinking water as by-products of water treatment plant (WTP) operations. Nitrosamines are N-DBPs that form by reaction of chloramine with certain organic nitrogen-containing compounds; however, the exact pr...

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Bibliographic Details
Main Authors: Meadows, Maxwell, Pradhanang, Soni M., Boving, Thomas B., Hadjeres, Hichem
Format: Conference Proceeding
Language:English
Subjects:
Byproducts
Disinfection
Drinking water
Nitrogen
Nitrosamine
Precursors
Water treatment
Water treatment plants
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Summary:Nitrogenous disinfection by-products (N-DBPs) are emerging by-products that may be present in drinking water as by-products of water treatment plant (WTP) operations. Nitrosamines are N-DBPs that form by reaction of chloramine with certain organic nitrogen-containing compounds; however, the exact processes and environments in which nitrosamines form are still not well understood. Organic nitrogen precursors react within the WTP and distribution system, forming the toxic by-products during chloramination, or while in distribution. To best control the formation potential of nitrosamines, precursors must be removed from source water prior to chloramine disinfection. These nitrosamine forming precursors are abundant in source waters worldwide, presenting a need for further study of the mechanisms that reduce the formation potential of nitrosamines in chloramination WTPs.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/201928005003