1. Department of Chemical Engineering; Catalysis for Renewable Fuels Center; University of South Carolina; Columbia SC 29208 USA
2. Department of Chemistry and Biochemistry; University of South Carolina; Columbia SC 29208 USA
3. Department of Civil and Environmental Engineering; University of South Carolina; Columbia SC 29208 USA
4. Gas Technology Institute; 1700 S. Mount Prospect Road Des Plaines IL 60018 USA