1. Departments of Chemical and Petroleum Engineering, University of Wyoming, Laramie, Wyoming 82071, United States
2. College of Environmental & Resource Sciences, Shanxi University, Taiyuan, Shanxi 030001, P.R. China
3. College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, Sichuan 610059, P.R. China
4. School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243032, P.R. China
5. Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
6. Department of Chemical Engineering, University of Minnesota, Duluth, Minnesota 55812, United States
7. Department of Physics & Astronomy, University of Wyoming, Laramie, Wyoming 82071, United States
8. School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
9. Department of Materials Science & Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong
10. Department of Chemistry, University of Nebraska, Lincoln, Nebraska 68588, United States