1. School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
2. Singapore Membrane Technology Center, Nanyang Environment and Water Research Institute, Nanyang Technological University, Singapore 637141, Singapore
3. State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, China
4. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
5. School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 649798, Singapore