Study of the variation of haloacetic acids in a simulated water distribution network

This paper presents the analysis of the variation of haloacetic acids (HAAs) for different pipe materials in a distribution system. The work involved an experimental study on a simulated distribution system assembled in the Hydraulic Laboratory of the Engineering Institute at the National Autonomous...

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Bibliographic Details
Published in:Water science & technology. Water supply 2019-02, Vol.19 (1), p.88-96
Main Authors: Mompremier, Rojacques, Fuentes Mariles, Óscar Arturo, Becerril Bravo, José Elías, Ghebremichael, Kebreab
Format: Article
Language:English
Subjects:
Acids
By products
Carbon
Chlorine
Disinfection & disinfectants
Distribution
Distribution management
Drinking water
Educational institutions
Galvanized steel
Haloacetic acids
High density polyethylenes
Hydraulic engineering
Laboratories
Organic matter
Physicochemical processes
Physicochemical properties
Pipes
Polyethylene
Polyvinyl chloride
Residence time
Variation
Water analysis
Water distribution
Water distribution systems
Water engineering
Water quality
Water sampling
Water shortages
Water supply
Water treatment
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Summary:This paper presents the analysis of the variation of haloacetic acids (HAAs) for different pipe materials in a distribution system. The work involved an experimental study on a simulated distribution system assembled in the Hydraulic Laboratory of the Engineering Institute at the National Autonomous University of Mexico (Instituto de Ingeniería UNAM). Two different scenarios were investigated based on different pipe materials, variation of temperature and initial chlorine concentrations (4.0 and 4.5 mg/L). Feed water with varying amounts of organic content was dosed with varying amounts of chlorine concentration. Water samples were collected from different locations in the distribution system and analyzed for physicochemical properties and HAAs determination. The results of this research demonstrated that the concentration of HAAs in the different segments of the distribution systems varied depending on pipe material, initial chlorine concentration, pH, residence time and the presence of natural organic matter.
ISSN:1606-9749
1607-0798
DOI:10.2166/ws.2018.055