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In this study, hydrodynamic cavitation (HCHydrodynamic Cavitation (HC)) combined with Cu (II) was used to activate peroxydisulfatePeroxydisulfate (PDS) for degradationDegradation of tetracycline (TCTetraCycline (TC)). The results show that the degradationDegradation rate of TCTetraCycline (TC) in 10 L model wastewater reached 100% in 60 min, at the optimal conditions of an inlet pressure of the Venturi of 0.42 MPa, a Na2S2O8 concentration of 0.40 mM, and a concentration ratio of Cu (II) to Na2S2O8 of 2:1. Moreover, the synergistic index of theHydrodynamic Cavitation (HC) HC/Cu (II)/PDS system was found to be as high as 10.21. Therefore, theHydrodynamic Cavitation (HC) HC/Cu (II)/PDS system provides a new idea for the degradationDegradation of antibiotic wastewater.

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Degradation of Tetracycline in Hydrodynamic Cavitation/Persulfate/Cu (II) System

  • 会议论文

  • 发表日期：

    2026年

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  • Zheng Li,
  • Xiufeng Zhu,
  • Sivakumar Manickam,
  • Xun Sun

摘要

In this study, hydrodynamic cavitation (HCHydrodynamic Cavitation (HC)) combined with Cu (II) was used to activate peroxydisulfatePeroxydisulfate (PDS) for degradationDegradation of tetracycline (TCTetraCycline (TC)). The results show that the degradationDegradation rate of TCTetraCycline (TC) in 10 L model wastewater reached 100% in 60 min, at the optimal conditions of an inlet pressure of the Venturi of 0.42 MPa, a Na2S2O8 concentration of 0.40 mM, and a concentration ratio of Cu (II) to Na2S2O8 of 2:1. Moreover, the synergistic index of theHydrodynamic Cavitation (HC) HC/Cu (II)/PDS system was found to be as high as 10.21. Therefore, theHydrodynamic Cavitation (HC) HC/Cu (II)/PDS system provides a new idea for the degradationDegradation of antibiotic wastewater.