Decolorization of remazol brilliant blue dye effluent by advanced photo oxidation processes (H2O2/UV system)

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Abstract

Advanced photo oxidation processes hold great promise for the improved treatment of textile dye effluent. In this study, the effectiveness of a H2O2/UV system for the decolorization of remazol brilliant blue effluent was investigated by examining the optimum conditions for dye removal in two reactors (coil and conventional). The results showed that the coil reactor had a higher temperature profile than the conventional reactor. When the dye was fed into the reactors at 25°C, UV radiation alone was not effective as the decolorization efficiency of the conventional reactor varied from 0.0 to 12.3%, while that of the coil reactor varied from 0.0 to 7.3%, depending on the residence time used. The effect of UV radiation at 100°C was also negligible as the maximum decolorization efficiencies were 4.0 and 3.7% for the conventional and the coil reactors, respectively. Increasing the concentration of H2O2 increased decolorization efficiencies of both UV reactors. Dye decolorization also increased with residence time. More than 93% color removal of remazol brilliant blue dye was achieved with a residence time of 56 min and 100% decolorization achieved in 65 min using a H2O2 concentration of 12.50 mL L-1. © 2007 Science Publications.

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APA

Mahmoud, A. S., Brooks, M. S., & Ghaly, A. E. (2007). Decolorization of remazol brilliant blue dye effluent by advanced photo oxidation processes (H2O2/UV system). American Journal of Applied Sciences, 4(12), 1054–1062. https://doi.org/10.3844/ajassp.2007.1054.1062

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