Affiliation: | 1. School of Chemistry and Chemical Engineering, Southern China University of Technology, Guangzhou 510640, PR China;2. School of Civil and Environmental Engineering, Nanyang Technological University, 639798 Singapore, Singapore;3. Singapore Membrane Technology Centre, Nanyang Technological University, 639798 Singapore, Singapore;4. Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK |