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Phenol Extraction from WasteWater Using Emulsion Liquid Membrane: Extraction, Stripping and Breakage Studies
 
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1
Environmental Engineering Department, College of Engineering University of Baghdad, Baghdad, Iraq
2
Physics Science Department, College of Science, University of Baghdad, Baghdad, Iraq
CORRESPONDING AUTHOR
Rasha Waleed Al-Khateeb   

Physics Science Department, College of Science, University of Baghdad, Baghdad, Iraq
 
 
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ABSTRACT
The removal of phenol from aqueous solutions using an emulsion liquid membrane (ELM) has been examined in this work. After adding span80 as a surfactant and xylene as a diluent, the emulsion formulation was completed. According to the preliminary experiment, there is no need to utilize a carrier when preparing the membrane formulation for application. Then the resulting emulsion was disseminated in the exterior phase to get the desired effect. Different factors, such as internal phase concentration, surfactant concentration, homogenizer speed, and stirrer speed, were investigated to see what influence they had. The addition of 4 percent (v/v) span80, 5800 rpm homogenizer speed, and 250 rpm stirring speed resulted in a stable emulsion liquid membrane system, which was then tested for stability. It is the purpose of this work to investigate the effectiveness of phenol extraction, stripping in internal phase, and membrane rupture. A concentration of 0.1M NaOH in the internal phase was used in conjunction with a stirring speed of 250rpm, a feed phase pH of 3.0, and an initial concentration of phenol of 100 mg/L to achieve the highest extraction efficiency. Through 6 minutes were spent in this environment to get the highest extraction efficiency, stripping efficiency, and membrane breakdown percentages possible: 90.82 percent, 92.2 percent, and 1.45 percent correspondingly.