Optimization of the azo dye Procion Red H-EXL degradation by Fenton's reagent using experimental design

• Published in: Journal of hazardous materials Vol. 164; no. 2; pp. 987 - 994
• Main Authors: Rodrigues, Carmen S.D., Madeira, Luis M., Boaventura, Rui A.R.
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier B.V 30.05.2009; Elsevier
• Subjects: Advanced chemical oxidation; Applied sciences; Central composite design; Chemical engineering; Coloring Agents - isolation & purification; Dye; Exact sciences and technology; Fenton's reagent; Hydrogen Peroxide; Iron; Models, Theoretical; Oxidation-Reduction; Pollution; Procion Red H-EXL; Reactors; Research Design; Temperature; Triazines - isolation & purification; Water Pollutants, Chemical - isolation & purification; Water Purification - methods; Dye; Advanced chemical oxidation; Central composite design; Procion Red H-EXL; Fenton's reagent; Hydrogen peroxide; Iron II; Modeling; Composite material; Optimization; Design; Advanced chemical oxidation Fenton's reagent Dye Procion Red H-EXL Central composite design; Experimental design; Azo dye; pH; Fenton reaction; Oxidation; Total organic carbon

Chemical oxidation by Fenton's reagent of a reactive azo dye (Procion Deep Red H-EXL gran) solution has been optimized making use of the experimental design methodology. The variables considered for the oxidative process optimization were the temperature and the initial concentrations of hydrog...