1. State Key Laboratory of Chemical Engineering School of Chemical Engineering and Technology Tianjin University Tianjin 300072 P. R. China
2. State Key Laboratory of Marine Resource Utilization in South China Sea Hainan University Haikou 570228 P. R. China
3. Tianjin Key Laboratory of Membrane Science and Desalination Technology Tianjin University Tianjin 300072 P. R. China
4. Collaborative Innovation Center of Chemical Science and Engineering Tianjin Tianjin 300072 P. R. China