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DECOLORIZATION OF ACID YELLOW 42 AS A MODEL CONTAMINANT BY FENTON AND ELECTRO-FENTON PROCESSES

N. Modirshahla, N. Galebsaz-Jeddi, M. A. Behnajady, A. Mohammadivand, K. S. Gitiban, B. Vahid

First published: 2010DOI pendingView metrics

Abstract

The decolorization of Acid Yellow 42 (AY42) by Fenton and electro-Fenton processes was compared. The effect of operational parameters was studied and the desired conditions obtained in the initial dye concentration of 120 mg L-1 for H2O2/ Fe2+ ([H2O2]=800 mg L-1, [Fe2+]=0.2 mmol, pH=3) and electrolysis/Fe2+/H2O2 ([H2O2]=1100 mg L-1 , [Fe2+]= 0.5 mmol, pH=3.5 and distance of electrodes 10 mm) systems. The Fenton process proved to be more efficient and occurs at a higher oxidation rate than electro-Fenton process and allows achieving 93\% decolorization of aromatic content of AY42 in about 50 min of reaction time, whereas in electro-Fenton processes the decolorization percent was 90\%.

Publication details

Title
DECOLORIZATION OF ACID YELLOW 42 AS A MODEL CONTAMINANT BY FENTON AND ELECTRO-FENTON PROCESSES
Authors
N. Modirshahla, N. Galebsaz-Jeddi, M. A. Behnajady, A. Mohammadivand, K. S. Gitiban, B. Vahid
Proceedings
10th International Multidisciplinary Scientific GeoConference SGEM2010
Publisher
SGEM Scientific GeoConference
Year
2010
Pages
447-454
ISSN
Not available yet
ISBN
954-91818-1-2
Language
en
Publication type
Conference Paper
Keywords
Acid Yellow 42Advanced oxidation processes (AOPs)DecolorizationElectro-FentonFenton
References15

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