Decolorization of Methyl Orange (MO) by Electrocoagulation (EC) Using Iron Electrodes Under a Magnetic Field (MF). II. Effect of Connection Mode
World Journal of Applied Chemistry
Volume 3, Issue 2, June 2018, Pages: 56-64
Received: Jun. 28, 2018;
Accepted: Jul. 7, 2018;
Published: Jul. 27, 2018
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Sara Irki, Chemical Engineering Department, Faculty of Engineering, University of Blida, Blida, Algeria
Djamel Ghernaout, Chemical Engineering Department, Faculty of Engineering, University of Blida, Blida, Algeria; Chemical Engineering Department, College of Engineering, University of Ha’il, Ha’il, Saudi Arabia
Mohamed Wahib Naceur, Chemical Engineering Department, Faculty of Engineering, University of Blida, Blida, Algeria
Abdulaziz Alghamdi, Mechanical Engineering Department, College of Engineering, University of Ha’il, Ha’il, Saudi Arabia
Mohamed Aichouni, Industrial Engineering Department, College of Engineering, University of Ha’il, Ha’il, Saudi Arabia
This work aims to investigate the electrocoagulation (EC) of methyl orange (MO) using iron electrodes and examine the effect of magnetic field (MF) on EC performance focusing on electrodes connection mode. Experimentally, an electrochemical cell is made in a configuration as simple as possible to impose a MF parallel to the current density and to allow an evaluation of the performance of the EC coupled to the MF. After 12 min of treatment, at pH 7.25, and with a current density of 64 A/m2, the MO decolorization obtained by EC-MF reaches 95%; this rate is higher than that obtained by the EC alone, which does not exceed 70%. In the MF presence and under optimal conditions, the decolorization increases allowing a gain in energy consumption (36%) from 30 to 19 kWh/kg dye. The decolorization with the bipolar system in series (BP-S) reaches 98% while it reaches 64% and 74% for the mono-polar in series (MP-S) and the mono-polar in parallel (MP-P), respectively. Consequently, the BP-S is more efficient.
Mohamed Wahib Naceur,
Decolorization of Methyl Orange (MO) by Electrocoagulation (EC) Using Iron Electrodes Under a Magnetic Field (MF). II. Effect of Connection Mode, World Journal of Applied Chemistry.
Vol. 3, No. 2,
2018, pp. 56-64.
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