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Impact of Climate Conditions on Pollutant Concentrations in the Effluent from a One-Stage Constructed Wetland: A Case Study

Author

Listed:
  • Agnieszka Operacz

    (Department of Sanitary Engineering and Water Management, University of Agriculture in Krakow, Mickiewicza Av. 21, 31-120 Krakow, Poland)

  • Krzysztof Jóźwiakowski

    (Department of Environmental Engineering and Geodesy, University of Life Sciences in Lublin, Leszczyńskiego St. 7, 20-069 Lublin, Poland)

  • Joanna Rodziewicz

    (Department of Environment Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-719 Olsztyn, Poland)

  • Wojciech Janczukowicz

    (Department of Environment Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-719 Olsztyn, Poland)

  • Piotr Bugajski

    (Department of Sanitary Engineering and Water Management, University of Agriculture in Krakow, Mickiewicza Av. 21, 31-120 Krakow, Poland)

Abstract

This paper reports the results of an investigation into the influence of precipitation and air temperature on the efficiency of pollutant removal processes and effluent pollutant concentrations in a one-stage constructed wetland with subsurface vertical flow. We studied an on-site constructed wetland system that used Phragmites australis for the treatment of domestic wastewater. The system was located in central Europe, in the south-east of Poland, in a temperate climate zone with transitional features. Physico-chemical analyses of influent and effluent wastewater, as well as measurements of precipitation and air temperature were carried out in the years 2001–2010. It was shown that the pollutant removal efficiency of the treatment plant was significantly higher in the growing season than outside the growing season (the mean efficiency is usually a few percent higher but generally this parameter is highly varied). This indicated that temperature determined the efficiency of the wastewater treatment. We found that the amount of precipitation affected the concentration of pollutants in the effluent. The more rainfall there was, the lower the content of pollutants in the effluent from the treatment plant, which demonstrated that rainwater diluted the concentrations of pollutants in the treated wastewater—thus improving the efficiency of the wastewater treatment plant.

Suggested Citation

  • Agnieszka Operacz & Krzysztof Jóźwiakowski & Joanna Rodziewicz & Wojciech Janczukowicz & Piotr Bugajski, 2023. "Impact of Climate Conditions on Pollutant Concentrations in the Effluent from a One-Stage Constructed Wetland: A Case Study," Sustainability, MDPI, vol. 15(17), pages 1-16, September.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:17:p:13173-:d:1231188
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    References listed on IDEAS

    as
    1. Piotr Bugajski & Agnieszka Operacz & Dariusz Młyński & Andrzej Wałęga & Karolina Kurek, 2020. "Optimizing Treatment of Cesspool Wastewater at an Activated Sludge Plant," Sustainability, MDPI, vol. 12(23), pages 1-15, December.
    2. Marius-Daniel Roman & Cornel Sava & Dana-Adriana Iluțiu-Varvara & Roxana Mare & Lavinia-Lorena Pruteanu & Elena Maria Pică & Lorentz Jäntschi, 2022. "Biological Activated Sludge from Wastewater Treatment Plant before and during the COVID-19 Pandemic," IJERPH, MDPI, vol. 19(18), pages 1-19, September.
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