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    Removal of reactive black 5 from textile wastewater by ozone and photo-fenton influence of industrial matrix effects
    (Latin American Applied Research, 2020-03-29) Hanela, S.; Fantoni, S.; Cainzos, V.; Avalos, J.; Diaz, S.; Romero, E.; Vezzoni, A.; Candal, R.; Miró, E.
    Textile waste water containing dyes, surfactants, salts and other contaminants represent a challenge for the selection and design of treatment processes due to the stability of some of its components.Advanced oxidation processes (AOPs) are attractive alternatives to partially or totally degrade dyes and other persistent pollutants using relatively compact devices to perform water treatment. To test the efficiency of these technologies it is necessary to count with laboratory made solutions that can match the characteristics of a typical textile waste waters effluent. In this work the application of two AOP, ozonation and photo-Fenton, to the treatment of textile effluents are compared, using a specially design model solution. The effect of typical textile wastewater composition on the treatment efficiency is discussed. Higher decoloration efficiencies were obtained with both AOPs tested in this work, being slightly higher with ozonation. TOC was only partially removed, being more efficient photo-Fenton than ozonation.