General Information
    • ISSN: 2010-0264
    • Frequency: Monthly
    • DOI: 10.18178/IJESD
    • Editor-in-Chief: Prof. Richard Haynes
    • Executive Editor: Ms. Nancy Y. Liu
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The University of Queensland, Australia
It is my honor to be the editor-in-chief of IJESD. The journal publishes good papers in the field of environmental science and development.
IJESD 2015 Vol.6(6): 425-429 ISSN: 2010-0264
DOI: 10.7763/IJESD.2015.V6.630

Removal of Heavy Metals (Cd, Cu, Ni) by Electrocoagulation

Umran Tezcan Un and Sadettin Eren Ocal
Abstract—In this study, removal of cadmium (Cd), copper (Cu) and nickel (Ni) from a simulated wastewater by electrocoagulation (EC) method using batch cylindrical iron reactor was investigated. The influences of various operational parameters such as initial pH (3, 5, 7), current density (30, 40, 50 mA/cm2) and initial heavy metal concentration (10, 20, 30 ppm) on removal efficiency were investigated. It was seen from the results that removal efficiencies were significantly affected by the applied current density and pH. The experimental results indicated that after90 minutes electrocoagulation the highest Cd, Ni, Cu removal of 99.78%, 99.98%, 98.90% were achieved at the current density of 30 mA/cm2 and pH of 7 using supporting electrolyte (0,05 M Na2SO4) respectively. The experimental results revealed that the removal of heavy metal ions by our design electrochemical cell can be successfully achieved.

Index Terms—Heavy metal removal, electrocoagulation, treatment.

Umran Tezcan Un is with Anadolu University, Turkey (e-mail:


Cite:Umran Tezcan Un and Sadettin Eren Ocal, "Removal of Heavy Metals (Cd, Cu, Ni) by Electrocoagulation," International Journal of Environmental Science and Development vol. 6, no. 6, pp. 425-429, 2015.

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