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J Hazard Mater. 2007 Sep 5;148(1-2):98-102. Epub 2007 Feb 12.

A kinetic model for the decolorization of C.I. Acid Yellow 23 by Fenton process.

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Department of Applied Chemistry, Islamic Azad University, Tabriz Branch, P.O. Box 1655, Tabriz, Islamic Republic of Iran.


The decolorization of azo dye C.I. Acid Yellow 23 (AY23) by Fenton process was investigated. The decolorization rate is strongly dependent on the initial concentrations of the Fe(2+) and H(2)O(2). The optimum operational conditions were obtained at pH 3. A kinetic model has been developed to predict the decolorization of AY23 at different operational conditions by Fenton process. The model allows to simulate the system behavior involving the influence of hydrogen peroxide, Fe(II) and dye concentrations.

[Indexed for MEDLINE]

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