1. College of Environmental Science and Engineering
2. Beijing Forestry University
3. Beijing 100083
4. P. R. China
5. Integrated Composites Laboratory (ICL)
6. Department of Chemical and Biomolecular Engineering
7. University of Tennessee
8. Knoxville
9. USA
10. Department of Chemistry
11. College of Science and Arts
12. Najran University
13. Najran-11001
14. Kingdom of Saudi Arabia