1. School of Chemical Engineering and Energy
2. Zhengzhou University
3. Zhengzhou 450001
4. P. R. China
5. UNESCO Centre for Membrane Science and Technology
6. School of Chemical Engineering
7. University of New South Wales
8. Sydney
9. Australia
10. Department of Chemical Engineering
11. KU Leuven
12. B-3001 Heverlee
13. Belgium