Applying Response Surface Methodology to Optimize the Fenton Oxidation Process in the Removal of Reactive Red 2
Seyyed Alireza Mousavi1, Samira Nazari2
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1Department of Environmental Health Engineering and Research Center for Environmental Determinants
of Health (RCEDH), Kermanshah University of Medical Sciences, Kermanshah, Iran
2Department of Environmental Health Engineering, Kermanshah University of Medical Sciences, Kermanshah, Iran
Submission date: 2016-07-15
Final revision date: 2016-09-11
Acceptance date: 2016-09-26
Online publication date: 2017-03-22
Publication date: 2017-03-22
Pol. J. Environ. Stud. 2017;26(2):765-772
This study evaluated the influence of experimental factors on reactive red 2 oxidation by the Fenton process using response surface methodology (RSM). Experiments were conducted based on a central composite design (CCD) using operating variables such as H2O2, Fe+2, and reaction time. The responses were evaluated using a second-order polynomial multiple regression model. The analysis of variance (ANOVA) showed a high coefficient of determination (R2) value of more than 0.98. It confirms a satisfactory adjustment of the second-order regression model with the achieved data. H2O2 had a significant effect on the removal of RR2 and COD. When the initial concentration of H2O2 was 90 mg/l, the efficiency of RR2 removal was 94%. The experimental findings were in close agreement with the model prediction.
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