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Autori: M.S. Secula, G.D. Suditu, I. Poulios, C. Cojocaru, I. Cretescu
Editorial: Elsevier, Chemical Engineering Journal, Volume 141, Issues 1-3, p.18-26, 2008.
The experimental design methodology was applied for response surface modeling and optimization of the photocatalytic decolorization of a
simulated dyestuff effluent (SDE), containing the azo dye Reactive Black 5 (RB5) as colorant. The variables considered were the initial concentration
of TiO2, Fe3+ and H2O2. The multivariate experimental design allowed developing a quadratic model as a functional relationship between color
removal efficiency and the independent variables. Under the optimum conditions established, the performance of 99.3% for color removal was
experimentally reached. It was found that all factors considered have an important effect in the degradation efficiency of the organic matter.
Cuvinte cheie: Fotocataliza; apa uzata sintetic continand coloranti; RB5; TiO2; Optimizarea suprafetei de raspuns // Photocatalysis; Simulated dyestuff wastewater; Reactive Black 5; TiO2; Response surface optimization