Disinfection by-products (DBPs) in drinking water and predictive models for their occurrence: a review

Disinfection for drinking water reduces the risk of pathogenic infection but may pose chemical threat to human health due to disinfection residues and their by-products (DBPs) when the organic and inorganic precursors are present in water. More than 250 DBPs have been identified, but the behavioural...

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Bibliographic Details
Published in:The Science of the total environment 2004-04, Vol.321 (1), p.21-46
Main Authors: Sadiq, Rehan, Rodriguez, Manuel J.
Format: Article
Language:English
Subjects:
Acetates - chemistry
Acetonitriles - chemistry
Air. Soil. Water. Waste. Feeding
Applied sciences
Biological and medical sciences
Byproducts
DBPs
Disinfection
Drinking water
Drinking water and swimming-pool water. Desalination
Environment. Living conditions
Exact sciences and technology
Human health risk
Inorganic Chemicals - chemistry
Medical sciences
Models, Chemical
Pollution
Predictive models
Public health. Hygiene
Public health. Hygiene-occupational medicine
Trihalomethanes - chemistry
Water Pollutants, Chemical - analysis
Water Purification
Water treatment and pollution
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Summary:Disinfection for drinking water reduces the risk of pathogenic infection but may pose chemical threat to human health due to disinfection residues and their by-products (DBPs) when the organic and inorganic precursors are present in water. More than 250 DBPs have been identified, but the behavioural profile of only approximately 20 DBPs are adequately known. In the last 2 decades, many modelling attempts have been made to predict the occurrence of DBPs in drinking water. Models have been developed based on data generated in laboratory-scaled and field-scaled investigations. The objective of this paper is to review DBPs predictive models, identify their advantages and limitations, and examine their potential applications as decision-making tools for water treatment analysis, epidemiological studies and regulatory concerns. The paper concludes with a discussion about the future research needs in this area.
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2003.05.001