한국환경과학회지 (Journal of Environmental Science International)

  • 제21권4호
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  • Pages.411-419
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  • 2012
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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광촉매 공정에 따른 이부프로펜의 분해 특성

Degradation Properties of Ibuprofen Using Photocatalytic Process

  • 채금화 (고려대학교 건축사회환경공학과) ;
  • 나승민 (고려대학교 건축사회환경공학과) ;
  • 안윤경 (한국기초과학지원연구원/서울센터 분석연구부) ;
  • 이세반 (고려대학교 건축사회환경공학과) ;
  • 김지형 (고려대학교 건축사회환경공학과)
  • Cai, Jin-Hua (Department of Civil Environmental and Architecture, Korea University) ;
  • Na, Seung-Min (Department of Civil Environmental and Architecture, Korea University) ;
  • Ahn, Yun-Gyong (Korea Basic Science Institute) ;
  • Lee, Se-Ban (Department of Civil Environmental and Architecture, Korea University) ;
  • Khim, Jee-Hyeong (Department of Civil Environmental and Architecture, Korea University)
  • 투고 : 2011.11.23
  • 심사 : 2012.02.21
  • 발행 : 2012.04.30
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초록

In this study, Ibuprofen (IBP) degradation by the photo catalytic process was investigated under various parameters, such as UV intensity, optimum dosage of $TiO_2$, alkalinity, temperature and pH of bulk solution. The pseudo-first order degradation rate constants were in the order of $10^{-1}$ to $10^{-4}min^{-1}$ depending on each condition. The Photocatalytic IBP degradation rate increased with an increase in the applied UV power. At high UV intensity a high rate of tri-iodide ($I_3{^-}$) ion formation was also observed. Moreover, in order to avoid the use of an excess catalyst, the optimum dosage of catalyst under the various UV intensities (30 and 40 W/L) was examined and ranged from approximately 0.1 $gL^{-1}$. The photo catalytic IBP degradation rate was changed depending on the alkalinity and temperature and pH in the aqueous solution. This study demonstrated the potential of photo catalytic IBP degradation under different conditions.

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피인용 문헌

  1. The Study of Ibuprofen Degradation Properties by Combination of Wave Energy (Ultrasound, Ultraviolet) and Persulfate Ion vol.23, pp.5, 2014, https://doi.org/10.5322/JESI.2014.5.963