1. Department of Chemical Engineering, National Chung Hsing University, Taichung 40227, Taiwan
2. Research Centre for Sustainable Technologies, Faculty of Engineering, Computing and Science, Swinburne University of Technology, Jalan Simpang Tiga, Kuching, Sarawak 93350, Malaysia
3. Department of Engineering, School of Engineering and Technology, Sunway University, Bandar Sunway Selangor 47500, Malaysia