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Use of Photo-Fenton Reagent in the Degradation of Basic Yellow 2 in Aqueous Medium

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Author Affiliations

  • 1 Department of Chemistry, Pacific College of Basic and Applied Sciences, Pacific University, Udaipur-313024, Rajasthan, INDIA
  • 2 Department of Chemistry, Govt. P.G. College, Nathdwara, Rajasthan, INDIA

Res. J. Recent Sci., Volume 2, Issue (1), Pages 39-43, January,2 (2013)

Abstract

This study was conducted to assess the removal efficiency of Basic Yellow 2 (a dye) from aqueous medium using the photo- Fenton process. Fenton's reagent, a mixture of hydrogen peroxide (H2 ) and ferric ions (Fe3+), used to generate hydroxyl radicals (•OH), was used to attack the target contaminant and degrade it. A visible light source was used to provide the radiation needed in the photo-Fenton method (i.e. H2 /Fe3+). The effects of varying the parameters of ferric ion, Basic Yellow 2 and hydrogen peroxide concentrations, as well as pH, and light intensity on the reaction rate were determined. More effective and faster than Fenton's reagent in removing Basic Yellow 2, the results show that the photo-Fenton method completely oxidizes and degrades Basic Yellow 2 into CO and HO. A tentative mechanism for photobleaching of the dye is proposed.

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