Efficiency of Aluminum and Iron Electrodes for the Removal of Heavy Metals [(Ni (II), Pb (II), Cd (II)] by Electrocoagulation Method 


Vol. 57,  No. 3, pp. 316-321, Jun.  2013
10.5012/jkcs.2013.57.3.316


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  Abstract

Electrocoagulation (EC) technique is applied for the treatment of wastewater containing heavy metals ions such as nickle (Ni), lead (Pb) and cadmium (Cd) by using sacrificial anodes corrode to release active coagulant flocs usually aluminium or iron cations into the solution. During electrolytic reactions hydrogen gas evolve at the cathode. All the experiments were carried out in Batch mode. The tank was filled with synthetic wastewater containing heavy metals and efficiency of electrocoagulation in combination with aluminum and iron electrodes were investigated for removal of such metals. Several parameters, such as contact time, pH, electro-coagulant concentration, and current density were optimized to achieve maximum removal efficiency (%). The concentrations of heavy metals were determined by using Atomic Absorption Spectroscopy (AAS). It is found that the electro-coagulation process has potential to be utilized for the cost-effective removal of heavy metals from wastewater specially using iron electrodes in terms of high removal efficiencies and operating cost.

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  Cite this article

[IEEE Style]

M. K. Khosa, M. A. Jamal, A. Hussain, M. Muneer, K. M. Zia, S. Hafeez, "Efficiency of Aluminum and Iron Electrodes for the Removal of Heavy Metals [(Ni (II), Pb (II), Cd (II)] by Electrocoagulation Method," Journal of the Korean Chemical Society, vol. 57, no. 3, pp. 316-321, 2013. DOI: 10.5012/jkcs.2013.57.3.316.

[ACM Style]

Muhammad Kaleem Khosa, Muhammad Asghar Jamal, Amira Hussain, Majid Muneer, Khalid Mahmood Zia, and Samia Hafeez. 2013. Efficiency of Aluminum and Iron Electrodes for the Removal of Heavy Metals [(Ni (II), Pb (II), Cd (II)] by Electrocoagulation Method. Journal of the Korean Chemical Society, 57, 3, (2013), 316-321. DOI: 10.5012/jkcs.2013.57.3.316.

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ISSN(Print) 1017-2548
ISSN(Online) 2234-8530