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COD and Color Mineralization of Azure C dye Using UV/ClO2 technique | ||
| Journal of College of Education for Pure Science | ||
| Article 1, Volume 5, Issue 1, 2015, Pages 46-67 | ||
| Authors | ||
| Hassan A.Habeeb; Hadeel A.Khayoon | ||
| Abstract | ||
| This research is to investigation of the efficacy of UV in combination with chlorine dioxide (UV/ClO2) for decolorizing the azure C dye in aqueous solution. The (UV/ClO2) is the one of the most importance methods for water pollution treatment. The objective was to determine the best treatment for reducing of color. The parameter studied were the effect of initial dye concentration [A.C], temperature (T), pH, gas flow rate (f) and light intensity (Io). Complete degradation was achieved in the relatively short time of 60 minutes irradiation Fast decolourization was achieved at high pH and high temperature. The best results were obtained at pH=8 with efficiency more than 97.7%. The concentration of undegraded dye was detected by use spectrophotometer at λmax =611.5nm. In present study the effect of all above effects on chemical oxygen demand COD. Were studied the decolourization reaction was found to follow a first order kinetics with respect to the dye concentration. | ||
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