Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Degradation of residual pharmaceuticals in water by UV/H2O2 advanced oxidation process

UV/H2O2 고도산화기술을 이용한 수중 잔류의약물질 제거

  • Park, Chinyoung (Water Quality Institute, Waterworks Headquarter Incheon Metropolitan City) ;
  • Seo, Sangwon (Marine Research Team, Incheon Health Environment Research Institute) ;
  • Cho, Ikhwan (Water Quality Institute, Waterworks Headquarter Incheon Metropolitan City) ;
  • Jun, Yongsung (Water Quality Institute, Waterworks Headquarter Incheon Metropolitan City) ;
  • Ha, Hyunsup (Water Quality Institute, Waterworks Headquarter Incheon Metropolitan City) ;
  • Hwang, Tae-Mun (The Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology)
  • 박진영 (인천광역시 상수도사업본부 수질연구소) ;
  • 서상원 (인천광역시 보건환경연구원 해양조사과) ;
  • 조익환 (인천광역시 상수도사업본부 수질연구소) ;
  • 전용성 (인천광역시 상수도사업본부 수질연구소) ;
  • 하현섭 (인천광역시 상수도사업본부 수질연구소) ;
  • 황태문 (한국건설기술연구원 국토보전연구본부)
  • Received : 2019.10.14
  • Accepted : 2019.12.05
  • Published : 2019.12.17
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Abstract

This study was conducted to evaluate the degradation and mineralization of PPCPs (Pharmaceuticals and Personal Care Products) using a CBD(Collimated Beam Device) of UV/H2O2 advanced oxidation process. The decomposition rate of each substance was regarded as the first reaction rate to the ultraviolet irradiation dose. The decomposition rate constants for PPCPs were determined by the concentration of hydrogen peroxide and ultraviolet irradiation intensity. If the decomposition rate constant is large, the PPCPs concentration decreases rapidly. According to the decomposition rate constant, chlortetracycline and sulfamethoxazole are expected to be sufficiently removed by UV irradiation only without the addition of hydrogen peroxide. In the case of carbamazepine, however, very high UV dose was required in the absence of hydrogen peroxide. Other PPCPs required an appropriate concentration of hydrogen peroxide and ultraviolet irradiation intensity. The UV dose required to remove 90% of each PPCPs using the degradation rate constant can be calculated according to the concentration of hydrogen peroxide in each sample. Using this reaction rate, the optimum UV dose and hydrogen peroxide concentration for achieving the target removal rate can be obtained by the target PPCPs and water properties. It can be a necessary data to establish design and operating conditions such as UV lamp type, quantity and hydrogen peroxide concentration depending on the residence time for the most economical operation.

Keywords

References

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