1. Department of Chemical, Petroleum and Gas Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran
2. Faculty of Engineering, Behbahan Khatam Alanbia University of Technology, Behbahan 47189-63616, Iran
3. Discipline of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Howard College Campus, King George V Avenue, Durban 4041, South Africa