1. Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Sungai Long Campus, Jalan Sungai Long, Bandar Sungai Long, Cheras 43000 Kajang, Selangor, Malaysia
2. Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham, Malaysia Campus, Jalan Broga 43500, Semenyih, Malaysia
3. Department of Chemical Engineering and Materials Science/Environmental Technology Research Center, Yuan Ze University, Chungli District, Taoyuan City 32003, Taiwan, Republic of China