1. Qatar Environment
and Energy Research Institute, Hamad Bin Khalifa University, Doha, Qatar
2. Department of Chemical Engineering, Qatar University, Doha, Qatar
3. Department of Chemistry, University of Burgos, 09001 Burgos, Spain
4. Department of Chemical Engineering, Texas A&M University at Qatar, Doha, Qatar
5. Gas and Fuels Research Center, Texas A&M University, College Station, Texas 77843, United States