1. School of Environmental Science and Engineering
2. Shanghai Jiao Tong University
3. Shanghai 200240
4. P. R. China
5. Departments of Chemical and Petroleum Engineering
6. University of Wyoming
7. Laramie 82071
8. USA
9. The State Key Laboratory of Refractories and Metallurgy
10. Idaho National Laboratory
11. Idaho Falls
12. School of Civil and Environmental Engineering
13. Georgia Institute of Technology
14. Atlanta 30332