1. Sino-Canadian Joint R&D Center for Water and Environmental Safety, College of Environmental Science and Engineering, Nankai University, No.38 Tongyan Road, Jinnan District, Tianjin, 300350, P. R. China
2. Singapore Membrane Technology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore
3. School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore