1. Department of Chemical, Materials and Biomolecular Engineering; University of Connecticut; Storrs; 06269; USA
2. Research Centre for Membrane Separation Processes, Faculty of Chemical Engineering; Iran University of Science and Technology; Narmak; Tehran; 16846; Iran
3. Polymer Science and Technology Division; Research Institute of Petroleum Industry; West Blvd., Near Azadi Sports Complex; Tehran; Iran
4. Department of Chemical Engineering; South Tehran Branch, Islamic Azad University; P.O. Box 11365-4435; Tehran; Iran