Pedro Cardona¹, Gladys J Figueroa¹, Gerardo Ruiz², and Lakshmi Sridhar³. (1) University of Puerto Rico, PO Box 9046, Mayaguez, Puerto Rico 00681-9046, (2) Chem Engg, UPR Mayaguez, PO Box 9046, UPRM, Mayaguez, PR 00681, (3) Chemical Engineering, University of Puerto Rico, Mayaguez campus, P.O. Box 9046, Mayaguez, PR 00681