1. Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia 22904-4741, CAPEC, Technical University of Denmark, DK-2800, Lyngby, Denmark, Fluor Corporation, 3 Polaris Way, Aliso Viejo, California 92698, Applied Thermodynamics, University of Kaiserslautern, D-67653, Kaiserslautern, Germany, Dow Chemical Company, South Charleston, West Virginia 25303, AstraZeneca Pharmaceutical Ltd., Macclesfield, Cheshire, SK10 2NA, U. K.