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(12): 920-924 ISSN: 2010-0264
DOI: 10.7763/IJESD.2015.V6.722

Optimization for Fenton Process in Removal of COD for Landfill Leachate Treatment

María Santin-Gusman, Javier Moreno-Andrés, Mónica Cisneros-Abad, and Silvio Aguilar-Ramírez
Abstract—Present study has the aimed to assess the percentage of removal of chemical oxygen demand (COD) of non-biodegradable leachate from the landfill in the city of Loja (Ecuador) to be subjected to a Fenton process. Different concentrations of H2O2 and FeSO4 were combined in acidic pH values, obtaining removals close to 80% with a concentration of 500 ppm of H2O2 and 1000 ppm of FeSO4 at pH 4, thus establishing an optimum working radius H2O2/FeSO4 equal to 0.5. Through Box-Behnken statistical analyses were determinates the significant factors, which correspond to the concentration of H2O2 and FeSO4 employed. With this information the process was optimized, reaching a theoretical removal of 81% at concentrations of 312 ppm of H2O2 and 1087 ppm of FeSO4 at pH 4. It was observed in this process removal of 79% of turbidity, 33% of Nitrates and 89% of Phosphates.

Index Terms—Fenton, landfill leachate, COD removal.

María Santin-Gusman, Mónica Cisneros-Abad, and Silvio Aguilar-Ramírez are with the Environmental Engineering Department. Technical University of Loja, Ecuador (e-mail: mlsantin@utpl.edu.ec, mjcisneros@utpl.edu.ec, sdaguilar@utpl.edu.ec).
Javier Moreno-Andrés is with the Environmental Technologies Department, Faculty of Sea and Environmental Sciences, University of Cádiz, Spain (e-mail: javier.moreno@uca.es).

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Cite: María Santin-Gusman, Javier Moreno-Andrés, Mónica Cisneros-Abad, and Silvio Aguilar-Ramírez, "Optimization for Fenton Process in Removal of COD for Landfill Leachate Treatment," International Journal of Environmental Science and Development vol. 6, no. 12, pp. 920-924, 2015.

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