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Journal of Advanced Oxidation Technologies

Online
ISSN
2371-1175
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Volume 19, Issue 1

Issues

Solar Photocatalytic Decolorization and Degradation of Methyl Orange Using Supported TiO2

Hassen Trabelsi
  • Corresponding author
  • Laboratory Water-Energy-Environment, National School of Engineers of Sfax, BP W3038 Sfax, Tunisia Tunisia
  • Higher Institute of Applied Science and Technology of Gabes, University of Gabes, 6072 Zrig, Gabes, Tunisia
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  • De Gruyter OnlineGoogle Scholar
/ Grah Patrick Atheba
  • Physical Chemistry Laboratory, University Félix Houphouet Boigny, 22 BP 582 Abidjan, Côte d'Ivoire
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/ Olfa Hentati
  • Laboratory Water-Energy-Environment, National School of Engineers of Sfax, BP W3038 Sfax, Tunisia
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/ Yehe Dezirée Mariette
  • Physical Chemistry Laboratory, University Félix Houphouet Boigny, 22 BP 582 Abidjan, Côte d'Ivoire
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/ Didier Robert / Patrick Drogui
  • INRS-Eau Terre et Environnement), Université du Québec, 490 rue de la Couronne, Québec, Canada
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Published Online: 2016-11-30 | DOI: https://doi.org/10.1515/jaots-2016-0110

Abstract

The photocatalytic degradation of Methyl orange has been investigated on dynamic solar pilot plant using nonwoven fibers coated with TiO2 as photocatalyst. The operational parameters, such as initial dye concentration and pH, were studied. Disappearance of color and substrate together with decreases in chemical oxygen demand (COD) and total organic carbon (TOC) content were observed. The photo-decomposition followed pseudo-firstorder kinetics. In addition, the toxicity of some by-products was tested using the earthworm (Eisenia andrei) avoidance test. High sensitivity of E. andrei towards soil wetted with MO solution was observed, while no effects were seen for the same solution after photocatalytic oxidation.

Keywords : Methyl Orange; Solar Photocatalytic; TiO2 photocatalysis; irradiation; degradation; toxicity

About the article

Received: 2015-06-09

Revised: 2015-07-23

Accepted: 2015-08-16

Published Online: 2016-11-30

Published in Print: 2016-01-01


Citation Information: Journal of Advanced Oxidation Technologies, Volume 19, Issue 1, Pages 79–84, ISSN (Online) 2371-1175, ISSN (Print) 1203-8407, DOI: https://doi.org/10.1515/jaots-2016-0110.

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© 2016 by Walter de Gruyter Berlin/Boston.Get Permission

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