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<p>The increasing use of pharmaceuticals with high environmental persistence has led to continuously rising concentrations in aquatic ecosystems. Fraunhofer FEP is currently developing a hybrid wastewater treatment process that combines low-energy electrons and ozone to remove these emerging pollutants, which cannot be adequately removed by traditional wastewater treatment methods. The objective is to convert a broad range of micropollutants into intermediates amenable for removal in conventional wastewater purification plants. This study investigates solutions of select pharmaceuticals, which were treated and analyzed using High-performance liquid chromatography. Removal efficiencies greater than 99% were achieved, demonstrating the hybrid treatment’s success.</p>

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Degradation of micropollutants in wastewater by hybrid treatment with low-energy electrons and ozone

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月18日

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  • Lotte Ligaya Schaap,
  • Tobias Teichmann,
  • André Poremba,
  • Simone Schopf,
  • Steffen Heicke,
  • Anika Mayer,
  • Tobias Müller,
  • Gösta Mattausch,
  • Elizabeth von Hauff

摘要

The increasing use of pharmaceuticals with high environmental persistence has led to continuously rising concentrations in aquatic ecosystems. Fraunhofer FEP is currently developing a hybrid wastewater treatment process that combines low-energy electrons and ozone to remove these emerging pollutants, which cannot be adequately removed by traditional wastewater treatment methods. The objective is to convert a broad range of micropollutants into intermediates amenable for removal in conventional wastewater purification plants. This study investigates solutions of select pharmaceuticals, which were treated and analyzed using High-performance liquid chromatography. Removal efficiencies greater than 99% were achieved, demonstrating the hybrid treatment’s success.