International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064



Research Paper | Chemical Engineering | India | Volume 3 Issue 7, July 2014

Studies on Removal of Chromium (VI) from Wastewater Using Electrocoagulation

Rajesh Pachimatla, Shamik Pushkar, Utkarsh Maheshwari

Electrocoagulation is an efficient method where the flocculating agent is generated by electro-oxidation of a sacrificial anode, generally made of iron or aluminium.In this study Al Electrodes are used to remove Cr (VI) from model wastewater by Optimizing different parameters pH, Current Density, Initial Concentration and Time. From our present study, it was found that the removal of chromium (VI) using aluminium electrodes by Electrocoagulation is a feasible process. At elevated pH, the removal of chromium is higher due to simultaneous co-precipitation and chemical precipitation. This effect is observed till the pH is increased to 7 and the percentage removal starts decreasing beyond that point. And Maximum removal efficiency of 96.89 % was achieved at an optimum current density of 58.60 mA/cm2.The samples from this experiment were analyzed using the atomic Absorption Spectroscopy (AAS).

Keywords: Chromium removal, Electrocoagulation, initial pH, Current Density, Atomic Adsorption Spectroscopy

Edition: Volume 3 Issue 7, July 2014

Pages: 1266 - 1269


How to Cite this Article?

Rajesh Pachimatla, Shamik Pushkar, Utkarsh Maheshwari, "Studies on Removal of Chromium (VI) from Wastewater Using Electrocoagulation", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=20141232, Volume 3 Issue 7, July 2014, 1266 - 1269

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