Influence of Initial Feed Concentration and pH on the Removal of Copper, Lead and Nickel Ions from Solutions in Electrodialysis Process

Authors

  • Ersin Aytac  Department of Environmental Engineering, Bülent Ecevit University, Zonguldak, Turkey
  • Sureya Altin  Department of Environmental Engineering, Bülent Ecevit University, Zonguldak, Turkey

Keywords:

Current Efficiency, Electrodialysis, Heavy Metal Removal, Operational Parameters.

Abstract

Influence of operating parameters of pH and initial concentration of feed solution were investigated on separation of divalent heavy metals (Cu2+, Ni2+ and Pb2+) from feed solutions using electrodialysis (ED). The comparison of these operating parameters was determined using mathematical equations such as current efficiency, specific electrical energy consumption and removal efficiency. When the initial metal concentrations were examined, it was determined that the amount of removed matter increased as the concentration of feed solution increased. However, the efficiency of separation was decreasing. Effect of initial pH of the feed solution were examined, most appropriate recovery rates encountered in pH 6. More acidic pH values leads to a decrease in current efficiency and consequently an increase in energy consumption. The study represents that in an electrodialysis process, it is necessary to select the most suitable operating parameters considering the factors such as limiting current density, electrical energy consumption, recovery efficiency, effluent quality and lifetime of membranes.

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International Journal of Scientific Research in Science and Technology

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Published

2018-02-28

Issue

Volume 4, Issue 5, March-April-2018

Section

Research Articles

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This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

[1]
Ersin Aytac, Sureya Altin, " Influence of Initial Feed Concentration and pH on the Removal of Copper, Lead and Nickel Ions from Solutions in Electrodialysis Process, International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011, Volume 4, Issue 5, pp.654-660, March-April-2018.