1. State Key Laboratory of Separation Membranes and Membrane Processes
2. School of Environmental and Chemical Engineering
3. Tianjin Polytechnic University
4. Tianjin 300387
5. China
6. College of Chemical & Material Engineering
7. Quzhou University
8. Quzhou 324000
9. State Key Laboratory of Coal Conversion
10. Institute of Coal Chemistry
11. Chinese Academy of Sciences
12. Taiyuan 030001