Organic haloamines in chlorine-based disinfected water systems: A critical review

This paper is a critical review of current knowledge of organic chloramines in water systems, including their formation, stability, toxicity, analytical methods for detection, and their impact on drinking water treatment and quality. The term organic chloramines may refer to any halogenated organic...

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Main Authors: How, Z., Kristiana, I., Busetti, F., Linge, Kathryn, Joll, C.
Format: Journal Article
Published: 2016
Online Access:http://purl.org/au-research/grants/arc/LP130100602
http://hdl.handle.net/20.500.11937/54006
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author How, Z.
Kristiana, I.
Busetti, F.
Linge, Kathryn
Joll, C.
author_facet How, Z.
Kristiana, I.
Busetti, F.
Linge, Kathryn
Joll, C.
author_sort How, Z.
building Curtin Institutional Repository
collection Online Access
description This paper is a critical review of current knowledge of organic chloramines in water systems, including their formation, stability, toxicity, analytical methods for detection, and their impact on drinking water treatment and quality. The term organic chloramines may refer to any halogenated organic compounds measured as part of combined chlorine (the difference between the measured free and total chlorine concentrations), and may include N-chloramines, N-chloramino acids, N-chloraldimines and N-chloramides. Organic chloramines can form when dissolved organic nitrogen or dissolved organic carbon react with either free chlorine or inorganic chloramines. They are potentially harmful to humans and may exist as an intermediate for other disinfection by-products. However, little information is available on the formation or occurrence of organic chloramines in water due to a number of challenges. One of the biggest challenges for the identification and quantification of organic chloramines in water systems is the lack of appropriate analytical methods. In addition, many of the organic chloramines that form during disinfection are unstable, which results in difficulties in sampling and detection. To date research has focussed on the study of organic monochloramines. However, given that breakpoint chlorination is commonly undertaken in water treatment systems, the formation of organic dichloramines should also be considered. Organic chloramines can be formed from many different precursors and pathways. Therefore, studying the occurrence of their precursors in water systems would enable better prediction and management of their formation.
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spelling curtin-20.500.11937-540062022-09-06T04:52:24Z Organic haloamines in chlorine-based disinfected water systems: A critical review How, Z. Kristiana, I. Busetti, F. Linge, Kathryn Joll, C. This paper is a critical review of current knowledge of organic chloramines in water systems, including their formation, stability, toxicity, analytical methods for detection, and their impact on drinking water treatment and quality. The term organic chloramines may refer to any halogenated organic compounds measured as part of combined chlorine (the difference between the measured free and total chlorine concentrations), and may include N-chloramines, N-chloramino acids, N-chloraldimines and N-chloramides. Organic chloramines can form when dissolved organic nitrogen or dissolved organic carbon react with either free chlorine or inorganic chloramines. They are potentially harmful to humans and may exist as an intermediate for other disinfection by-products. However, little information is available on the formation or occurrence of organic chloramines in water due to a number of challenges. One of the biggest challenges for the identification and quantification of organic chloramines in water systems is the lack of appropriate analytical methods. In addition, many of the organic chloramines that form during disinfection are unstable, which results in difficulties in sampling and detection. To date research has focussed on the study of organic monochloramines. However, given that breakpoint chlorination is commonly undertaken in water treatment systems, the formation of organic dichloramines should also be considered. Organic chloramines can be formed from many different precursors and pathways. Therefore, studying the occurrence of their precursors in water systems would enable better prediction and management of their formation. 2016 Journal Article http://hdl.handle.net/20.500.11937/54006 10.1016/j.jes.2017.05.025 http://purl.org/au-research/grants/arc/LP130100602 fulltext
spellingShingle How, Z.
Kristiana, I.
Busetti, F.
Linge, Kathryn
Joll, C.
Organic haloamines in chlorine-based disinfected water systems: A critical review
title Organic haloamines in chlorine-based disinfected water systems: A critical review
title_full Organic haloamines in chlorine-based disinfected water systems: A critical review
title_fullStr Organic haloamines in chlorine-based disinfected water systems: A critical review
title_full_unstemmed Organic haloamines in chlorine-based disinfected water systems: A critical review
title_short Organic haloamines in chlorine-based disinfected water systems: A critical review
title_sort organic haloamines in chlorine-based disinfected water systems: a critical review
url http://purl.org/au-research/grants/arc/LP130100602
http://hdl.handle.net/20.500.11937/54006