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Advanced Oxidation of Reactive Blue 221 by Fenton’s Process
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Hidayet Argun
Published/Copyright:
November 30, 2016
Abstract: This study presents the application of Fenton’s reagent (FR) process for the oxidation of Reactive Blue 221(RB 221) in aqueous solution. The major objective was to investigate the effects of dye, H2O2 and Fe (II) concentrations on percent color (PCR) and TOC (PTR) removal by using a Box-Behnken statistical experiment design (BBSED). Dye, H2O2 and Fe (II) concentrations were chosen as independent variables while the PCR and PTRs were the objective functions. H2O2 and Fe (II) had significant effects on PCR and PTR. Complete decolorization and 42% TOC removal was obtained in 5 and 100 min, respectively. Low levels of H2O2 and Fe (II) resulted in limitation on PCR and PTR, on the other hand high reagent doses caused hydroxyl radical scavenging adversely affecting the oxidation process. Optimum dye/H2O2/Fe (II) ratio resulting in the highest color (100%) and TOC (42%) removal was determined as 250/650/45 (mg L-1) at room temperature (24±2 °C), pH= 3 and 100 min reaction time.
Received: 2012-1-20
Revised: 2012-4-11
Accepted: 2012-4-13
Published Online: 2016-11-30
Published in Print: 2012-7-1
© 2016 by Walter de Gruyter Berlin/Boston
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Keywords for this article
Box-Behnken statistical experiment design;
Fenton’s reagent;
Peroxide;
Reactive Blue 221
Articles in the same Issue
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- Multiobjective Optimization of an Electroxidation Process of Biologically Pre-Treated Landifill Leachate by Response Surface Methodology and Desirability Function Approach
- Advanced Electrochemical Oxidation of Ultrafiltration Permeates from Cellulose Bleaching Effluents
- Influence of Volcanic Sand Surface Hydroxyl Groups on the Heterogeneous Catalytic Ozonation of Methylene Blue Contaminated Waters
- Sonochemical Treatment of Orange II Using Ultrasound at a Range of Frequencies and Powers
- Oxidative Dehydrogenation of Ethanol over Au/TiO2 Photocatalysts
- Heterogeneous Photo-Fenton Oxidation of Organic Pollutants on Structured Catalysts
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