1. Department of Chemical and Environmental Engineering/ Centre of Excellence for Green Technologies, University of Nottingham Malaysia, Broga Road, Semenyih, Selangor 43500, Malaysia
2. Department of Chemical & Petroleum Engineering, Faculty of Engineering, Technology and Built Environment, UCSI University Kuala Lumpur (South Wing, Block E, Level 10), No.1, Jalan Menara Gading, UCSI Heights, Taman Connaught, Cheras, Kuala Lumpur 56000, Malaysia
3. School of Engineering and Physical Sciences, Heriot-Watt University Malaysia, No. 1, Jalan Venna P5/2, Precinct 5, Putrajaya 62200, Malaysia