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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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In this study, the deriving optimum conditions for decolorization of Acid Orange II solution was carried using $TiO_2$ advanced oxidation process. After that, on base of the deriving results, the range of dye concentration was estimated. In addition, acute toxicity test was also carried to assess toxicity unit according to decolorization and TOC removal. In case of the blockage of light, 20 mg/L of dye solution, and 0.5 g $TiO_2$, the effect of decolorization at pH 3 was larger than at pH 6 and 10, so it was shown that decolorization is dependent on pH. The use of 5 g $TiO_2$ showed best performance of decolorization, but that of 3 g $TiO_2$ was chosen to optimum condition in considering of economical aspects. Four light sources, sun, fluorescent lamp, BLB lamp, and UV-B lamp, were used and decolorization was 99.4% and 100% at 50 mg/L, 98.6% and 99.7% at 100 mg/L for sun and UV-B lamp, respectively. In spite of the optimum condition of decolorization at pH 3, the evaluation of acute toxicity test showed highly toxic. In conclusion, although the optimum treatment of dye solution is performed, water ecology can be polluted in discharging it into water system. Therefore, it is needed to study of water ecological system with dye water treatment, and it takes all the circumstances into consideration.
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참고문헌 (29)
참고문헌 신청
Allen, S. J. / 1995 / Electrooxidation of Dyestuffs in Wastewater / Journal of Chemical Technology and Biotechnology 62:111~117
Bhattacharyya, A. / 2004 / Photocatalytic Degradation of Orange II by TiO2 Catalysts Supported on Adsorbents / Catalysis Today 98:431~439
Chou, J. C. / 2005 / Study on pH at the Point of Zero Charge of TiO2 pH Ion Sensitive Field effect Transistor made by the Sputtering Method / Thin Solid Film 476:157~161
Davis, R. J. / 1994 / Photocatalytic Decolorization of Wastewater Dyes / Water Environment Research 66(1):50~53
De Moraes, S. / 2000 / Degradation and Toxicity Reduction of Textile Effluent by Combined Photocatalytic and Ozonation Processes / Chemosphere 40:369~373
Bhattacharyya, A. / 2004 / Photocatalytic Degradation of Orange II by TiO2 Catalysts Supported on Adsorbents / Catalysis Today 98:431~439
Chou, J. C. / 2005 / Study on pH at the Point of Zero Charge of TiO2 pH Ion Sensitive Field effect Transistor made by the Sputtering Method / Thin Solid Film 476:157~161
Davis, R. J. / 1994 / Photocatalytic Decolorization of Wastewater Dyes / Water Environment Research 66(1):50~53
De Moraes, S. / 2000 / Degradation and Toxicity Reduction of Textile Effluent by Combined Photocatalytic and Ozonation Processes / Chemosphere 40:369~373
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