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광촉매 TiO₂의 반응활성 비교·평가 기준에 관한 연구 KCI 등재

A Study on Comparison and Evaluation Standard of Photocatalytic Activity for Commercial TiO2

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한국환경과학회지 (Journal of Environmental Science International)
한국환경과학회 (The Korean Environmental Sciences Society)
초록

This study was investigated experimental condition which is able to evaluate photocatalytic activity of various commercial TiO₂. The experiments were performed for three representative substances (ethanol, phenol and methylene blue) and four kinds of commercial TiO₂, under the experimental conditions such as pH, reactant concentration, amount of TiO₂, reaction time and UV intensity. The optimum experimental conditions to evaluate photocatalytic activity were as follows : for ethanol, the initial concentration 1000 ppm, initial pH 8, TiO₂ loadings 0.1 wt%, and reaction time 90 minutes: for phenol, the initial concentration 200 ppm, initial pH 8, TiO₂loadings 1 wt%, and reaction time 60 minutes: for methylene blue, the initial concentration 200 ppm, initial pH 4, TiO₂ loadings 0.5 wt%, and reaction time 30 minutes.

저자
  • 이상진(경기대학교 환경공학과) | Sang-Jin Lee
  • 홍성창(경기대학교 환경공학과) | Sung-Chang Hong Corresponding Author