Fenton and photo-Fenton oxidation of textile effluents

Montserrat Pérez, Francesc Torrades, Xavier Domènech, José Peral

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398 Citations (Scopus)


The simultaneous use of Fenton reagent and irradiation for the treatment of textile wastewaters generated during a hydrogen peroxide bleaching process is investigated. The experimental conditions tested during this study provide the simultaneous occurrence of Fenton, Fenton-like and photo-Fenton reactions. The batch experimental results are assessed in terms of total organic carbon reduction. Identification of some of the chemical constituents of the effluent was performed by means of GC-MS. Other pollution related features of the initial effluent-like COD and color were also measured. The main parameters that govern the complex reactive system, i.e., light intensity, temperature, pH, Fe(II) and H2O2 initial concentrations have been studied. Concentrations of Fe(II) between 0 and 400ppm, and H2O2 between 0 and 10,000ppm were used. Temperatures above 25°C and up to 70°C show a beneficial effect on organic load reduction. A set of experiments was conducted under different light sources with the aim to ensure the efficiency of using solar light irradiation. The combination of Fenton, Fenton-like and photon-Fenton reactions has been proved to be highly effective for the treatment of such a type of wastewaters, and several advantages for the technique application arise from the study. © 2002 Published by Elsevier Science Ltd.
Original languageEnglish
Pages (from-to)2703-2710
JournalWater Research
Issue number11
Publication statusPublished - 1 Jan 2002


  • Advanced oxidation processes
  • Fenton
  • Photochemical reactions
  • Textile


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