1. Institute of Environment Science
2. School of Chemistry and Chemical Engineering
3. Shanxi University
4. Taiyuan 030006
5. China
6. College of Chemistry and Environmental Engineering
7. Institute of Applied Chemistry
8. Shanxi Datong University
9. Datong 037009
10. Department of Mechanical and Materials Engineering
11. The University of Western Ontario
12. London N6A 5B9
13. Canada