1. Institut de Chimie de Clermont-Ferrand
2. UMR-CNRS 6296
3. Université Clermont Auvergne
4. 63171 Aubière
5. France
6. Instituo de Quimica
7. Universidade de Sao Paulo
8. 05508-000 Sao Paulo
9. Brazil
10. Chemical Engineering Department
11. College of Engineering
12. King Saud University
13. Riyadh 11421
14. Saudi Arabia