The effects of pre-ozonation on drinking water quality parameters
Bahman Masoomi1*, Neamatollah Jaafarzadeh2, Tayebeh Tabatabaie1, Sahand Jorfi3, Esmaeil Kouhgardi1
1Department of Environmental Engineering, Bushehr Branch, Islamic Azad Universiy, Bushehr, Iran, 75158-95496, Velayat Building, Municipality Square, Bushehr, Bushehr Province, Iran.
2Toxicology Research Center, Ahvaz Jundishapur University of Medical Sciences, 15794-61357, Medical Sciences Blvd, Mehr Street, Ahvaz, Khuzestan Province, Iran.
3Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, 15794-61357, Medical Sciences Blvd, Mehr Street, Ahvaz, Khuzestan Province, Iran.
* Corresponding author: Bahman.masoomi@yahoo.com
Esmaeil Kouhgardi: kouhgardi@yahoo.com; Sahand Jorfi: sahand369@yahoo.com; Tayebeh Tabatabaie: tabatabaie20@yahoo.com; Neamat Jaafarzadeh: jaafarzadeh-n@ajums.ac.ir
https://doi.org/10.29258/CAJWR/2021-R1.v7-1/70-83.engResearch paper
Abstract
The study investigated the effects of pre-ozonation on the parameters such as turbidity, color, chlorophyll a and TOC on a pilot scale. The investigation results indicate that the amount of required ozone to remove TOC, color and turbidity depends on the quality of inlet water, and the efficiency of water ozonation depends on the process factors such as ozone dose, temperature, pH and ozone-water contact time. The study likewise shows that the lower amount of turbidity, TOC, temperature and higher alkaline pH of sample water boost the ozonation effect on removing the variables in question. The results also demonstrate a direct relationship between pH, ozone dosage and contact time, as well as an indirect relationship between temprerature and the removal of parameters.
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For citation: Masoomi, B., Jaafarzadeh, N., Tabatabaie, T., & Jorfi, S. (2021). The Effects of Pre-Ozonation on Drinking Water Quality Parameters. Central Asian Journal of Water Research 7, 70–83. https://doi.org/10.29258/CAJWR/2021-R1.v7-1/70-83.eng
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disinfection, humic acid, pilot plants, pre-ozonation, surface water treatment