Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Optimization of Photocatalytic Degradation conditions for Dyeing Wastewater Using Response Surface Method

반응표면분석법을 이용한 염색폐수의 광촉매 산화 처리조건의 최적화

Park, Jae Hong;Jo, Il Hyeong;Kim, Yeong Gyu;Lee, Hong Geun
박재홍;조일형;김영규;이홍근

  • Published : 20030000
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Abstract

In order to treat the dyeing wastewater, the $UV/TiO_2/H_2O_2$ system was investigated, and proper pretreatment methods were examined to reduce the load on the system considering economical and techical efficiency. Also, to obtain the maximize the removal efficiency of dyeing wastewater, optimal operating conditions for the photocatalytic degradation were investigated by using the responsed surface methodology(RSM). The independent variables were $TiO_2$ dosage, $H_2O_2$ concentration and removal efficiency of dyeing wastewater was dependent variable. With the $2^2$-factional factorial experimental design, 11 experiments were carried out at various condition, with 4 factorial points, 3 center points and 4 axial points. Maximum removal efficiency(85%) of dyeing wastewater was obtained at $TiO_2$ dosage(1.82g/L), $H_2O_2$ concentration (980mg/L) for photocatalytic oxidation reaction(20min).

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References

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