1. State Key Laboratory of Separation Membranes and Membrane Processes
2. Department of Chemical Engineering
3. Tianjin Polytechnic University
4. Tianjin 300387
5. P. R. China
6. Collaborative Innovation Center of Advanced Microstructures
7. National Laboratory of Solid State Microstructures
8. and College of Engineering and Applied Sciences
9. Nanjing University
10. Nanjing 210093
11. State Key Laboratory of Coal Conversion
12. Institute of Coal Chemistry, Chinese Academy of Sciences
13. Taiyuan
14. China
15. National Energy Research Center for Clean Fuels
16. Haian Institute of High-Tech Research