1. Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, P.M.B. X680, Pretoria, South Africa
2. Department of Mechanical Engineering, Covenant University, P.M.B 1023, Ota, Nigeria
3. Department of Metallurgical and Materials Engineering, Federal University of Technology, P.M.B. 704, Akure, Nigeria
4. Department of Chemical Engineering, Covenant University, P.M.B 1023, Ota, Nigeria