2010•Unpublished venueRequires access

Comparative efficiencies of the degradation of C.I. Mordant Orange 1 using UV/H2O2, Fenton, and photo-Fenton processes

Adel Gamal

Abstract

The kinetics of the photo degradation of C.I. Mordant Orange 1 imparted by UV/H2O2, Fenton and photo Fenton process were investigated. Negligible effects were observed in the presence of either UV light or H2O2 alone. As expected the Fenton-mediated degradation occurred much faster than the photolytic process. Photo Fenton showed higher in treatment efficiency than that of Fenton process. The effects of dye concentrations, H2O2 concentration, pH values and the presence of Fe 2+ concentration on the degradation rate constant were also studied. The rate constant of dye degradation that occurred in both the phtolytic as well as in the Fenton and photo-Fenton processes was found to pseudo first-order kinetics. (A.M. Gamal. Comparative efficiencies of the degradation of C.I. Mordant Orange 1 using UV/H2O2, Fenton, and photo-Fenton processes. Life Science Journal 2010;7(4):51-59). (ISSN: 1097-8135).

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Key concepts: Mordant, Chemistry, Reaction rate constant, Kinetics, Degradation (telecommunications), Photochemistry, Hydrogen peroxide, Orange (colour)