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Journal of Environmental Nanotechnology

(A Quarterly Peer-reviewed and Refereed International Journal)
ISSN(Print):2279-07 48; ISSN(Online):2319-5541
CODEN:JENOE2

Homogeneous Photocatalytic Degradation of Reactive Orange M2R Dye in Aqueous Medium

Abstract

The chemical degradation of reactive orange M2R dye under irradiation of UV light by Fenton’s reagent has been investigated spectrophotometrically in aqueous medium. Hydroxyl free radicals are the most reactive chemical species for the degradation process. The influence of pH and initial concentrations of the dye, Fe2+ and H2O2 on the degradation rate has been investigated and the optimum operational conditions were determined. The photobleaching process follows first-order kinetics. Acidic pH range favours the degradation rate. The results of the study showed that photo-Fenton process is an effective and an economic treatment process for the complete mineralization of the reactive orange M2R dye. A suitable tentative mechanism for the degradation of the dye by photo-Fenton system has been proposed.

Article Type: Research Article

Corresponding Author: A.Chellamani 3  

Email: achellamani@yahoo.co.in

This article has not yet been cited.

S.Harikengaram 1,  M.Robinson 2,  A.Chellamani 3*.  

1. Department of Chemistry, PasumponMuthuramalingaThevar College, Melaneelithanallur-627 953 Tirunelveli, India

2. Department of Chemistry, St.John’s College, Palayamkottai-627 002, Tirunelveli, India

3. Department of Chemistry, Manonmanium Sundaranar University, Tirunelveli-627 012,Tamilnadu, India

J. Environ. Nanotechnol. Volume 3, No.2 pp. 01-08
ISSN: 2279-0748 eISSN: 2319-5541
ENT142063.pdf
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