Trends in Ozonation Disinfection By-Products—Occurrence, Analysis and Toxicity of Carboxylic Acids

Ozonation is becoming a common disinfection method for drinking water treatment. This has prompted the investigation of ozonation disinfection by-products (ODBPs) in drinking water. Ozonation generates a diverse range of carbonyl disinfection by-products, including carboxylic acids, aldehydes, keton...

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Bibliographic Details
Published in:Water (Basel) 2020-03, Vol.12 (3), p.756
Main Authors: Pulicharla, Rama, Proulx, François, Behmel, Sonja, Serodes, Jean-B, Rodriguez, Manuel J
Format: Article
Language:English
Subjects:
Acids
Aldehydes
By-products
Byproducts
Carbon
Carbonyl compounds
Carbonyls
Carboxylic acids
Chemical properties
Chlorine
Disinfectants
Disinfection
Disinfection & disinfectants
Disinfection and disinfectants
Drinking water
Environmental aspects
Health aspects
Identification and classification
Ketones
Measurement
Methods
Ozonation
Ozonization
Surface water
Toxicity
Water pollution effects
Water treatment
Water treatment plants
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Summary:Ozonation is becoming a common disinfection method for drinking water treatment. This has prompted the investigation of ozonation disinfection by-products (ODBPs) in drinking water. Ozonation generates a diverse range of carbonyl disinfection by-products, including carboxylic acids, aldehydes, ketones and aldo-ketoacids. Among these ODBPs, carboxylic acid by-products (CABPs) are observed in higher concentrations compared to other carbonyl by-products. However, relatively little research has been conducted on CABPs, including their precursors, formation and occurrence, methods of detection and toxicity. This review outlines the occurrence and variability of CABPs in a number of water sources treated and disinfected with ozonation. It considers the effect of ozonation parameters, including ozone dose, temperature and time of ozonation on the formation of CABPs. The review also discusses the various analytical approaches for CABP quantification, as well as their possible toxicity in drinking water.
ISSN:2073-4441
2073-4441
DOI:10.3390/w12030756