1. Graduate Program in Chemical Engineering, Federal University of São Carlos, Rod. Washington Luís, km 235, São Carlos 13565-905, SP, Brazil
2. Faculty of Engineering and Physical Sciences, University of Leeds, Leeds LS2 9JT, UK
3. São Carlos Institute of Chemistry, University of São Paulo, Avenida Trabalhador São-carlense, 400, São Carlos 13566-590, SP, Brazil