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Removal of Emerging Contaminants and Estrogenic Activity from Wastewater Treatment Plant Effluent with UV/Chlorine and UV/H 2 O 2 Advanced Oxidation Treatment at Pilot Scale

Author

Listed:
  • Eduard Rott

    (Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtäle 2, 70569 Stuttgart, Germany)

  • Bertram Kuch

    (Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtäle 2, 70569 Stuttgart, Germany)

  • Claudia Lange

    (Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtäle 2, 70569 Stuttgart, Germany)

  • Philipp Richter

    (Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtäle 2, 70569 Stuttgart, Germany)

  • Amélie Kugele

    (Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtäle 2, 70569 Stuttgart, Germany)

  • Ralf Minke

    (Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtäle 2, 70569 Stuttgart, Germany)

Abstract

Effluent of a municipal wastewater treatment plant (WWTP) was treated on-site with the UV/chlorine (UV/HOCl) advanced oxidation process (AOP) using a pilot plant equipped with a medium pressure UV lamp with an adjustable performance of up to 1 kW. Results obtained from parallel experiments with the same pilot plant, where the state of the art UV/H 2 O 2 AOP was applied, were compared regarding the removal of emerging contaminants (EC) and the formation of adsorbable organohalogens (AOX). Furthermore, the total estrogenic activity was measured in samples treated with the UV/chlorine AOP. At an energy consumption of 0.4 kWh/m 3 (0.4 kW, 1 m 3 /h) and in a range of oxidant concentrations from 1 to 6 mg/L, the UV/chlorine AOP had a significantly higher EC removal yield than the UV/H 2 O 2 AOP. With free available chlorine concentrations (FAC) in the UV chamber influent of at least 5 mg/L (11 mg/L of dosed Cl 2 ), the total estrogenic activity could be reduced by at least 97%. To achieve a certain concentration of FAC in the UV chamber influent, double to triple the amount of dosed Cl 2 was needed, resulting in AOX concentrations of up to 520 µg/L.

Suggested Citation

  • Eduard Rott & Bertram Kuch & Claudia Lange & Philipp Richter & Amélie Kugele & Ralf Minke, 2018. "Removal of Emerging Contaminants and Estrogenic Activity from Wastewater Treatment Plant Effluent with UV/Chlorine and UV/H 2 O 2 Advanced Oxidation Treatment at Pilot Scale," IJERPH, MDPI, vol. 15(5), pages 1-18, May.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:5:p:935-:d:145056
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    Citations

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    Cited by:

    1. Daniel Cosano & Dolores Esquivel & Francisco J. Romero-Salguero & César Jiménez-Sanchidrián & José Rafael Ruiz, 2022. "Efficient Removal of Nonylphenol Isomers from Water by Use of Organo-Hydrotalcites," IJERPH, MDPI, vol. 19(12), pages 1-11, June.
    2. Ziyang Guo & Yongjun Sun & Shu-Yuan Pan & Pen-Chi Chiang, 2019. "Integration of Green Energy and Advanced Energy-Efficient Technologies for Municipal Wastewater Treatment Plants," IJERPH, MDPI, vol. 16(7), pages 1-29, April.
    3. Eduard Rott & Bertram Kuch & Claudia Lange & Philipp Richter & Ralf Minke, 2018. "Influence of Ammonium Ions, Organic Load and Flow Rate on the UV/Chlorine AOP Applied to Effluent of a Wastewater Treatment Plant at Pilot Scale," IJERPH, MDPI, vol. 15(6), pages 1-20, June.

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