Fenton's reagent minimum dosage for remediation of water contaminated with dyes

  • Gina Terán Universidad de Las Américas
  • Paola Posligua Universidad de Las Américas
  • Carlos Banchón Universidad de Las Américas
Keywords: azoic dyes, oxidation-reduction potential, Pelileo, textile industry

Abstract

Effluents from the textile industry not only represent a latent threat to biodiversity on our planet but also to humans due to the pollution generated by industrial dyes. In this study a Fenton process was evaluated for the decoloration of water contaminated with yellow 160, blue 81 and red 190 with an initial concentration of 3300 mg.L-1 and a chemical oxygen demand of 1719 mg.L-1. Changes in pH and molar doses of ferrous sulfate and hydrogen peroxide were evaluated. The Fenton process allowed 99,9% removal of organic matter and 100% removal of turbidity when it worked at pH 3,5 and molar dose Fe+2/ H2O2 between 1:3 and 1:5. By spectrophotometric scanning and measurement of redox potential, it was shown that the quality of decontaminated water resembled the ultrapure water type I.

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Published
2015-09-30
How to Cite
Terán, G., Posligua, P., & Banchón, C. (2015). Fenton’s reagent minimum dosage for remediation of water contaminated with dyes. Enfoque UTE, 6(3), pp. 65 - 80. https://doi.org/https://doi.org/10.29019/enfoqueute.v6n3.70
Section
General Engineering