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:: Volume 17, Issue 6 (Iranian South Medical Journal 2015) ::
Iran South Med J 2015, 17(6): 1203-1212 Back to browse issues page
Electrochemical removal of hexavalent chromium from wastewater using Platinum-Iron/Iron-carbon nanotubes and bipolar Electrodes
Hoshyar Hossini1, Abbas Rezaee 2, Seyd Enayat Hashemi3
1- Depatment of Environmental Health Engineering, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, IRAN
2- Depatment of Environmental Health Engineering, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, IRAN. , rezaee@modares.ac.ir
3- Environmental Health Engineering Group, Faculty of Medical Sciences, Bushehr University of Medical Science, Bushehr, IRAN
Abstract:   (3014 Views)

Background: In recent decades, electrocoagulation (EC) has engrossed much attention as an environmental-friendly and effectiveness process. In addition, the EC process is a potential suitable way for treatment of wastewater with concern to costs and environment. The object of this study was electrochemical evaluation of chromium removal from industrial wastewater using Platinum and carbon nanotubes electrodes.

Materials and Methods: The effect of key variables including pH (3–9), hexavalent chromium concentration (50–300 mg/l), supporting electrolyte (NaCl, KCl, Na2CO3 and KNO3) and its dosage, Oxidation-Reduction variations, sludge generation rate and current density (2–20 mA/cm2) was determined. Results: Based on experimental data, optimum conditions were determined in 20, 120 min, pH 3, NaCl 0.5% and 100 mg/L initial concentration of chromium.

Conclusions: Removal of hexavalent chromium from the wastewater could be successfully performanced using Platinum-Iron/Iron-carbon nanotubes and bipolar Electrodes.

Keywords: Electrochemical removal, hexavalent chromium, platinum electrode, carbon nanotubes electrode.
Full-Text [PDF 757 kb]   (1114 Downloads)    
Type of Study: Original | Subject: Public Health
Received: 2014/12/18 | Accepted: 2014/12/18 | Published: 2014/12/18
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Hossini H, Rezaee A, Hashemi S E. Electrochemical removal of hexavalent chromium from wastewater using Platinum-Iron/Iron-carbon nanotubes and bipolar Electrodes. Iran South Med J. 2015; 17 (6) :1203-1212
URL: http://ismj.bpums.ac.ir/article-1-637-en.html


Volume 17, Issue 6 (Iranian South Medical Journal 2015) Back to browse issues page
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