1. Programa de Engenharia Química ‐ COPPEUniversidade Federal do Rio de JaneiroRio de Janeiro RJ 21941‐914 Brazil
2. Dept. of Chemical and Biomolecular EngineeringUniversity of CaliforniaLos Angeles CA 90095‐1592
3. Department of Chemical EngineeringTexas A&M UniversityCollege Station TX 77840
4. Escola de QuímicaUniversidade Federal do Rio de JaneiroRio de Janeiro RJ 21941‐909 Brazil
5. Dept. of Chemical and Biomolecular Engineering and Dept. of Electrical EngineeringUniversity of CaliforniaLos Angeles CA 90095‐1592