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Photo-Fenton treatment of C.I. Reactive Black 5 by use of response surface methodology
(2010) Turban G.D.; Kartal O.E.
Degradation of a diazo dye of CI. Reactive Black 5 by photo- Fenton process has been investigated. Response surface methodology was applied to evaluate the interactive effects of process variables considered as initial concentration of dye, H2O2 and Fe2+ on the process efficiency in terms of % COD removal, and to optimize the process. Experimental design using central composite design allowed the development of a second-order model for RB5 degradation. The experimental results satisfactorily fitted the model predictions. The optimum reaction conditions to obtain maximum % COD removal were found to be 13.236 mM H2O2,0.5 mM Fe2+ and 0.1008 mM RB5. The results suggest that photo- Fenton process is a promising solution for the degradation of RB5 under both UV and sunlight. © by PSP.