alexa Evaluation of electrocoagulation process for the removal of strontium and cesium from aqueous solution
Environmental Sciences

Environmental Sciences

International Journal of Waste Resources

Author(s): Kamaraj R, Vasudevan S

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The present research work deals with an evaluation of electrocoagulation process for the removal of radioactive contaminants like strontium and cesium from water using different anode materials like aluminum, iron, magnesium, and zinc with galvanized iron as cathode. The optimization of various operating parameters like effect of pH, current density, temperature, and inter-electrode distance on the removal efficiency of strontium and cesium were carried out. The results showed that the maximum removal efficiency of 97.0% and 96.8% was achieved for strontium and cesium respectively with magnesium as anode at a current density of 0.08A/dm2 and pH of 7.0. First and second-order rate equations were applied to study adsorption kinetics. The adsorption process follows second order kinetics model with good correlation. Langmuir and Freundlich adsorption isotherm model were studied using experimental data. The Langmuir adsorption isotherm favors monolayer coverage of adsorbed molecules for adsorption of strontium and cesium. Temperature studies showed that adsorption was endothermic and spontaneous in nature

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This article was published in Chem Eng Res Design and referenced in International Journal of Waste Resources

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