1. Discipline of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Howard College Campus, King George V Avenue, Durban 4041, South Africa
2. Department of Petroleum Engineering, Abadan Faculty of Petroleum Engineering, Petroleum University of Technology (PUT), Abadan 61991-71183, Iran
3. Department of Petroleum Engineering, Faculty of Engineering, Soran University, Kurdistan Region, Soran 44008, Iraq