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Assessment of an Electrocoagulation Reactor for the Removal of Oil Content and Turbidity from Real Oily Wastewater Using Response Surface Method

[ Vol. 13 , Issue. 1 ]

Author(s):

Forat Y. AlJaberi*, Basma A. Abdulmajeed, Ali A. Hassan and Muhib L. Ghadban   Pages 55 - 71 ( 17 )

Abstract:


Background: Large amounts of oily wastewater and its derivatives are discharged annually from several industries to the environment.

Objective: The present study aims to investigate the ability to remove oil content and turbidity from real oily wastewater discharged from the wet oil's unit (West Qurna 1-Crude Oil Location/ Basra-Iraq) by using an innovated electrocoagulation reactor containing concentric aluminum tubes in a monopolar mode.

Methods: The influences of the operational variables (current density (1.77-7.07 mA/cm2) and electrolysis time (10-40 min)) were studied using response surface methodology (RSM) and Minitab-17 statistical program. The agitation speed was taken as 200 rpm. Energy and electrodes consumption had been studied and modeled.

Results: The results revealed the positive effect of the electrodes design on the studied responses.

Conclusion: Under the optimum values of the operating variables (5.675 mA/cm2, 40 min), 85.982% and 84.439% removal efficiencies of oil content and turbidity respectively were obtained and the consumption of energy and electrodes were observed as 4.333kWh/m3 and 0.36 g respectively.

Keywords:

Oily wastewater, oil content, turbidity, electrocoagulation reactor, RSM, optimization, Energy and electrodes consumption.

Affiliation:

Chemical Engineering Department, College of Engineering, Al-Muthanna University, Al-Muthanna, Chemical Engineering Department, College of Engineering, University of Baghdad, Baghdad, Chemical Engineering Department, College of Engineering, Al-Muthanna University, Al-Muthanna, Operator engineer, Wet Oil's Unit, West Qurna 1- Crude Oil Location, Basra

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