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J. Electrochem. Sci. Technol > Volume 3(1); 2012 > Article
Journal of Electrochemical Science and Technology 2012;3(1):44-49.
DOI: https://doi.org/10.5229/JECST.2012.3.1.44   
Photo and Electrocatalytic Treatment of Textile Wastewater and Its Comparison
C. Singaravadivel, M. Vanitha, N. Balasubramanian
St. Joseph's College, Barathidasan University;Department of Chemical Engineering, A.C.Tech, Campus, Anna University;Department of Chemical Engineering, A.C.Tech, Campus, Anna University;
Electrochemical and photochemical techniques have been proved to be effective for the removal of organic pollutants in textile wastewater. The present study deals with degradation of synthetic textile effluents containing reactive dyes and assisting chemicals, using electro oxidation and photo catalytic treatment. The influence of various operating parameters such as dye concentration, current density, supporting electrolyte concentration and lamp intensity on TOC removal has been determined. From the present investigation it has been observed that nearly 70% of TOC removal has been recorded for electrooxidation treatment with current density 5 mA/$dm^2$, supporting electrolyte concentration of 3 g/L and in photocatalytic treatment with 250 V as optimum lamp intensity nearly 67% of TOC removal was observed. The result indicates that electro oxidation treatment is more efficient than photocatalytic treatment for dye degradation.
Key Words: $TiO_2$/UV, Electro oxidation, Photocatalysis, Organic pollutant, Textile effluent
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