1. Department of Environmental
Engineering, Peking University, Beijing
100871, People's Republic of China
2. The Key Laboratory of Water and Sediment Sciences, Ministry of Education,
Beijing 100871, People's Republic of China
3. School of Environmental and Chemical
Engineering, Tianjin Polytechnic University, Tianjin 300160, People's Republic of China
4. State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin
300160, People's Republic of China