1. Department of Chemical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, 91779-48974, Iran
2. LUT School of Engineering Science, LUT University, P. O. Box 20, 53850 Lappeenranta, Finland
3. Research Center for Membrane and Film Technology, Department of Chemical Science and Engineering, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe 657-8501, Japan