1. Department of Chemical Engineering, Yale University, New Haven, Connecticut 06520
2. School of Chemical and Biomedical Engineering, Nanyang Technological University, 637722, Singapore
3. Petroleum Processing and Petrochemical Engineering Department, Petroleum-Gas University of Ploiesti, Ploiesti 100680, Romania
4. DuPont Central Research and Development, Experimental Station, Wilmington, Delaware 19880
5. IBM T. J. Watson Research Center, Yorktown Heights, New York 10598