Electrocoagulation for Treatment of Simulated Blowdown Water Of Cooling Tower

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Enas Ali Anwer
Basma Abbas Abdulmajeed

Abstract

This study investigates the results of electrocoagulation (EC) using aluminum (Al) electrodes as anode and stainless steel (grade 316) as a cathode for removing silica, calcium, and magnesium ions from simulated cooling tower blowdown waters. The simulated water contains (50 mg/l silica, 508 mg/l calcium, and 292 mg/l magnesium). The influence of different experimental parameters, such as current density (0.5, 1, and 2 mA/cm2), initial pH(5,7, and 10), the temperature of the simulated solution(250C and 35 0C), and electrolysis time was studied. The highest removal efficiency of 80.183%, 99.21%, and 98.06% for calcium, silica, and magnesium ions, respectively, were obtained at a current density of 1 mA/cm2, initial PH=7, the temperature of 250C and treatment time  60 min. The results have shown the ability of the EC process to remove silica and hardness ions from CTB water.

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How to Cite
“Electrocoagulation for Treatment of Simulated Blowdown Water Of Cooling Tower” (2020) Journal of Engineering, 26(10), pp. 1–14. doi:10.31026/j.eng.2020.10.01.
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How to Cite

“Electrocoagulation for Treatment of Simulated Blowdown Water Of Cooling Tower” (2020) Journal of Engineering, 26(10), pp. 1–14. doi:10.31026/j.eng.2020.10.01.

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