General Information
    • ISSN: 2010-0264
    • Frequency: Bimonthly (2010-2014); Monthly (Since 2015)
    • DOI: 10.18178/IJESD
    • Editor-in-Chief: Prof. Richard Haynes
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Editor-in-chief
The University of Queensland, Australia
It is my honor to be the editor-in-chief of IJESD. The journal publishes good papers in the field of environmental science and development.
IJESD 2015 Vol.6(11): 818-823 ISSN: 2010-0264
DOI: 10.7763/IJESD.2015.V6.705

Application of Response Surface Methodology for Optimization of Reactive Azo Dye Degradation Process by Fenton’s Oxidation

Suvanka Dutta, Ananya Ghosh, Sankar Chandra Moi, and Rajnarayan Saha
Abstract—The effectiveness of Fenton’s reagent (H2O2/Fe2+) for chemical oxidation of the organic content of wastewater generated from a textile industry has been studied. The oxidative agent generates reactive hydroxyl radical species which degrades the reactive dye under study: Remazol brilliant orange 3RID (RBO3RID). The experimental results indicate that the oxidation process leads to a reduction in the chemical oxygen demand (COD) concentration up to 97%. Response surface methodology was used to optimize three different process variables: COD to Hydrogen peroxide ratio, Hydrogen peroxide-to-Fe (II) ratio and time. Analysis of variance (ANOVA) showed a high coefficient of determination value (R2=0.997). Effect of experimental parameters on the COD removal efficiency of RBO3RID was established by the response surface and contour plots. Results showed that COD removal increases with increasing oxidation time and initial Fe2+ concentration.

Index Terms—Fenton’s oxidation, reactive dye, response surface methodology, optimization.

Suvanka Dutta, Ananya Ghosh, Sankar Chandra Moi, and Rajnarayan Saha are with the Department of Chemistry, National Institute of Technology, Durgapur-713209, West Bengal, India (e-mail: rajusaharupa@yahoo.com).

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Cite:Suvanka Dutta, Ananya Ghosh, Sankar Chandra Moi, and Rajnarayan Saha, "Application of Response Surface Methodology for Optimization of Reactive Azo Dye Degradation Process by Fenton’s Oxidation," International Journal of Environmental Science and Development vol. 6, no.11, pp. 818-823, 2015.

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