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