1. School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
2. Department of Chemical and Polymer Engineering, University of Engineering and Technology, Faisalabad Campus, Lahore, Pakistan
3. Department of Chemical Engineering, University of Engineering and Technology, Lahore, Pakistan
4. Fossil Fuels Laboratory, Department of Thermal Energy Engineering, U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences & Technology (NUST), Sector H-12, Islamabad, 44000, Pakistan