1. State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, POPs Research Center, Tsinghua University, Beijing, China
2. School of Industrial Technology, Universiti Sains Malaysia, Penang, Malaysia
3. School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Selangor, Malaysia
4. School of Chemical Engineering, Universiti Sains Malaysia, Nibong Tebal, Penang, Malaysia