1. a Separation Process Development Laboratory, Faculty of Chemical Engineering , State University of Campinas (UNICAMP) , Campinas , SP , Brazil
2. b Advanced Control, Design and Optimization Laboratory, Faculty of Chemical Engineering , State University of Campinas (UNICAMP) , Campinas , SP , Brazil
3. c Processos Valoração de Petróleo, CENPES/PDP/TPAP, PETROBRAS , Cidade Universitária, Ilha do Fundão , Rio de Janeiro , RJ , Brazil