1. College of Chemistry and Chemical Engineering Taiyuan University of Technology 79 Yingze West Street Taiyuan 030024 Shanxi P. R. China
2. Shanxi Kunming Tobacco Limited Liability Company 21 Dachang South Road Taiyuan 030032 Shanxi P. R. China
3. College of Environmental Science and Engineering Taiyuan University of Technology 79 Yingze West Street Taiyuan 030024 Shanxi P. R. China
4. Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization 79 West Street Taiyuan 030024 Shanxi P. R. China
5. Department of Chemical and Biochemical Engineering Rutgers, The State University of New Jersey 98 Brett Road Piscataway NJ 08854 USA
6. Department of Chemistry and Chemical Biology Rutgers, The State University of New Jersey 610 Taylor Road Piscataway NJ 08854 USA