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Removal of Orange-G, Vat Yellow, Erythrosine Dyes from Synthetic Wastewater by Electrocoagulation and Nanofiltration | OMICS International | Abstract
ISSN: 2090-4568

Journal of Advanced Chemical Engineering
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Research Article

Removal of Orange-G, Vat Yellow, Erythrosine Dyes from Synthetic Wastewater by Electrocoagulation and Nanofiltration

Uzoh Francolins Chigozie* and NwabanneTagbo Joseph

Chemical Engineering Department,Faculty of Engineering,NnamdiAzikiwe University, P.M.B 5025 Awka, Anambra State, Nigeria

*Corresponding Author:
Uzoh Francolins Chigozie
Chemical Engineering Department
Faculty of Engineering, NnamdiAzikiwe University
P.M.B 5025 Awka, Anambra State, Nigeria
E-mail: [email protected]

Received date: September 19, 2014; Accepted date: October 16, 2014; Published date: October 22, 2014

Citation: Chigozie UF, Joseph NT (2014) Removal of Orange-G, Vat Yellow, Erythrosine Dyes from Synthetic Wastewater by Electrocoagulation and Nanofiltration. J Adv Chem Eng 4:112. doi:10.4172/2090-4568.10001112

Copyright: © 2014 Chigozie UF, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Efficiency of electrocoagulation and nanofiltration in removing color from synthetic wastewater were investigated. Three representative dye molecules were selected for the synthetic dye wastewater:Azo dye (Orange-G dye), a synthetic dye (Erythrosine) and a Vat dye (Vat yellow). Iron electrode was use as a sacrificial anode in the study. The influence of electrolysis time, operating current density, initial pH, initial dye concentration and temperature on process performances was investigated. Experiments were conducted to find the desired conditions for removal of particular concentration of the dyes. The results showed that 99.958% of Orange-G, 99.854% Of Erythrosine, 85.956% Vat yellow was decolorized for initial dye concentration of 100 mg/l with the current density of 1559 A/m2, electrolysis time of 25 minute and initial pH of 10. The electrochemical technique showed satisfactory color removal efficiency and reliable performance in treating the dye types. Electrode mass loss and energy consumed were also calculated.

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