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Issue 5, 2009
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Comparative efficiencies of the decolourisation of Methylene Blue using Fenton’s and photo-Fenton's reactions

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Abstract

The decolourisation and mineralization of Methylene Blue azo dye (MB) under Fenton's and photo-Fenton's conditions have been studied. Some parameters, such as initial concentrations of iron (Fe2+) and fixed hydrogen peroxide (H2O2), were evaluated to find the optimal conditions for the efficient degradation of azo dye. The experimental assays showed better efficiency for the photo-Fenton's system. Pseudo-first order degradation rate constants were obtained from batch experimental set up. It is suggested that photo-Fenton's reactions are viable processes for treatment of azo dye MB, according to the high levels of colour (UV665) and total organic carbon (TOC) removal.

Graphical abstract: Comparative efficiencies of the decolourisation of Methylene Blue using Fenton’s and photo-Fenton's reactions

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Publication details

The article was received on 02 Oct 2008, accepted on 12 Dec 2008, published on 23 Jan 2009 and first published online on 23 Jan 2009


Article type: Paper
DOI: 10.1039/B817287K
Citation: Photochem. Photobiol. Sci., 2009,8, 596-599
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    Comparative efficiencies of the decolourisation of Methylene Blue using Fenton’s and photo-Fenton's reactions

    D. Melgoza, A. Hernández-Ramírez and J. M. Peralta-Hernández, Photochem. Photobiol. Sci., 2009, 8, 596
    DOI: 10.1039/B817287K

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