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Removal of Lead from Water by Electrocoagulation Applying Response Surface Method (RSM) in a Uniquely Designed Rector

U. Bakir Ogutveren, Center for Applied Environmental Research, Anadolu University, Eskisehir, Turke, U. Tezcan Un, N. Erginel, Department of Environmental Engineering, Anadolu University, Eskisehir, Turkey, Department of Industrial Engineering, Anadolu University, Eskisehir, Turkey
2018 International journal of chemical Engineering and Applications  

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Lead is highly harmful to living organisms even in very low concentration. Lead exposure in humans can have severe neurological and physiological repercussions. The objective of this study is treatment of lead from water by electrocoagulation using iron electrodes applying RSM in an uniquely designed reactor. The evaluation of the main and interaction effects of process variables such as current density, initial lead concentration, pH and Na 2 SO 4 concentration as a supporting electrolyte on
more » ... e removal efficiency of lead were analyzed applying RSM. The levels of the factors were determined with variance analysis and found to be 10-50 mAcm -2 with the increments of 10 units for current density, 50-250 mgL -1 with the increments of 50 units for initial lead concentration, 3-7 with the increments of 1 units for pH and 0.01-0.09 molL -1 with the increments of 0.02 units for Na 2 SO 4 concentration. As a result of study, it was found that current density has a linear effect while current density and initial pH have quadratic effects on the removal efficiency. Lead removal efficiency reach a maximum value of 98.76% when the current density was 40 mA/cm 2 and initial pH was 4.7.
doi:10.18178/ijcea.2018.9.3.708 fatcat:hgqkwotjxvgkllmopzbna35msm
Citation

U. Bakir Ogutveren, Center for Applied Environmental Research, Anadolu University, Eskisehir, Turke, U. Tezcan Un, N. Erginel, Department of Environmental Engineering, Anadolu University, Eskisehir, Turkey, Department of Industrial Engineering, Anadolu University, Eskisehir, Turkey. "Removal of Lead from Water by Electrocoagulation Applying Response Surface Method (RSM) in a Uniquely Designed Rector." International journal of chemical Engineering and Applications 9.3 (2018) 109-111