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Comparative efficiencies of the decolourisation of Methylene Blue using Fenton’s and photo-Fenton’s reactions

Comparative efficiencies of the decolourisation of Methylene Blue using Fenton’s and... 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photochemical & Photobiological Sciences Springer Journals

Comparative efficiencies of the decolourisation of Methylene Blue using Fenton’s and photo-Fenton’s reactions

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References (28)

Publisher
Springer Journals
Copyright
Copyright © The Royal Society of Chemistry and Owner Societies 2009
eISSN
1474-9092
DOI
10.1039/b817287k
Publisher site
See Article on Publisher Site

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.

Journal

Photochemical & Photobiological SciencesSpringer Journals

Published: May 1, 2009

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