1. Chemical Engineering Department, College of Engineering, University of Baghdad, Baghdad, Iraq;
2. Membrane Technology Research Unit, Chemical Engineering Department, University of Technology, Baghdad, Iraq;
3. Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación, Universidad Tecnológica Metropolitana, Santiago, Chile;
4. Institute on Membrane Technology (ITM-CNR), Rende (CS), Italy