Chiang Mai Journal of Science

Synergistic Catalytic Action of Fe0, Fe2+ and Fe3+ in Fenton Reaction for Methyl Orange Decolorization

Paper Type	Contributed Paper
Title	Synergistic Catalytic Action of Fe0, Fe2+ and Fe3+ in Fenton Reaction for Methyl Orange Decolorization
Author	Nidtaya Tantiwa1, Ampin kuntiya1, and Phisit Seesuriyachan1*
Email	phisit.s@cmu.ac.th, phisit.seesuriyachan@gmail.com
Abstract: Fenton and Fenton-like reactions are well known to be a very effective method in the removal of many hazardous organic pollutants. The reactions are activated by the mixtures of hydrogen peroxide (H2O2) and catalysts (metal iron; Fe0, Fe2+ and Fe3+) to generate hydroxyl free radical (OHl), which is a strong oxidizing agent in the acidic pH range of 2.5 - 3.0. This study aimed to observe a synergistic catalytic action on Fenton and Fenton-like reactions with a combination of catalysts for Methyl Orange decolorization using experimental methodology via multilevel factorial design. It was revealed that efficiency of decolorization from a synergistic catalytic action was higher than the reactions with either Fe0, Fe2+ or Fe3+ alone on Methyl Orange decolorization. In the mixtures with Fe0, Fe2+, and H2O2 at pH 3 within 10 min, efficiencies of Methyl Orange removal with initial concentration of 75 mg/l were 84 and 99 % when the reaction systems were added with 10 mg/l of each synergistic catalyst and 25 and 50 mg/l of H2O2 with the rate of decolorization of 6.69 and 7.47 mg/l/min, respectively.
Start & End Page	60 - 69
Received Date	2012-04-17
Revised Date
Accepted Date	2012-06-02
Full Text	Download
Keyword	decolorization, Fenton reaction, Fenton-like reaction, Methyl Orange, synergistic catalysis
Volume	Vol.40 No.1 (JANUARY 2013)
DOI
Citation	Tantiwa1 N., Kuntiya1 A. and Seesuriyachan1 P., Synergistic Catalytic Action of Fe0, Fe2+ and Fe3+ in Fenton Reaction for Methyl Orange Decolorization, Chiang Mai J. Sci., 2013; 40(1): 60-69.
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