1. Department of Petrochemical Engineering; Amirkabir University of Technology (Tehran Polytechnic); Mahshahr Campus, PO Box 415 Mahshahr Iran
2. Department of Chemical Engineering, Farahan Branch; Islamic Azad University; Farahan Iran
3. Department of Chemical Engineering, Faculty of Engineering; Arak University; PO Box 38156-875 Arak Iran
4. Department of Chemistry, Arak Branch; Islamic Azad University; Arak Iran