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Article

Modification of Disinfection Process at a Local Water Treatment Plant—Skawina (Poland)

1
Faculty of Drilling, Oil and Gas, AGH University of Science and Technology, Mickiewicza 30 Ave., 30-059 Krakow, Poland
2
Wofil Ozone Technology, Rzeźniana 10/1 St., 33-380 Krynica-Zdrój, Poland
3
Independent Researcher, 34-114 Brzeźnica, Poland
*
Author to whom correspondence should be addressed.
Retired.
Academic Editor: Matthias Zessner
Water 2022, 14(18), 2924; https://doi.org/10.3390/w14182924
Received: 29 July 2022 / Revised: 9 September 2022 / Accepted: 13 September 2022 / Published: 18 September 2022
(This article belongs to the Special Issue Monitoring, Modelling and Management of Water Quality II)
This paper summarizes studies undertaken at a water treatment plant in Skawina (WTP Skawina) where the disinfection process was modified by introducing a mobile ozonation system. The application of a small-size, fully-automated ozonation installation only slightly complicates the water treatment process, without the need to redesign the water treatment line, and with relatively low investment costs. The aim of this study was to analyze whether the change of the disinfection method affects the final water quality. The investigated water samples were treated in the mobile ozonation system using a disinfection process with only sodium hypochlorite. Treated water was of excellent quality, and seasonal variations in raw water parameters (variable organic matter contents) did not result in elevated trihalomethanes (THM) and bromate concentrations. Despite the trace amounts of bromides in the water prior to treatment, the water in the municipal drinking water system did not contain determinable amounts of bromates. The bromine concentrations in the treated water supplied to the water distribution system were higher than in raw water, which could be attributable to the presence of bromine as a contaminant in sodium hypochlorite (the disinfection agent). Water quality tests carried out by the water treatment plant (WTP) and by the State Sanitary Inspectorate after the modification of the process line confirmed the high quality of water in the distribution network after the change of disinfection method. View Full-Text
Keywords: water treatment plant; disinfection by-products; ozonation installation; bromate water treatment plant; disinfection by-products; ozonation installation; bromate
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MDPI and ACS Style

Winid, B.; Muszański, R.; Wilkosz, J. Modification of Disinfection Process at a Local Water Treatment Plant—Skawina (Poland). Water 2022, 14, 2924. https://doi.org/10.3390/w14182924

AMA Style

Winid B, Muszański R, Wilkosz J. Modification of Disinfection Process at a Local Water Treatment Plant—Skawina (Poland). Water. 2022; 14(18):2924. https://doi.org/10.3390/w14182924

Chicago/Turabian Style

Winid, Bogumiła, Robert Muszański, and Jan Wilkosz. 2022. "Modification of Disinfection Process at a Local Water Treatment Plant—Skawina (Poland)" Water 14, no. 18: 2924. https://doi.org/10.3390/w14182924

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