1. University of Kashan Department of Chemical Engineering, Faculty of Engineering 87317-53153 Kashan Iran
2. University of Toledo Department of Chemical Engineering 43606 Toledo OH USA
3. Institut de Recherche en Génie Chimique et Pétrolier (IRGCP) Paris Cedex France
4. University of KwaZulu-Natal, Howard College Campus Discipline of Chemical Engineering, School of Engineering King George V Avenue 4041 Durban South Africa