1. Institute of Chemistry, University of Campinas─UNICAMP, P.O. Box 6154, Campinas 13083-970, São Paulo, Brazil
2. Center for Innovation on New Energies, University of Campinas, CEP, Campinas 13083-841, Brazil
3. Faculty of Mechanical Engineering, University of Campinas─UNICAMP, 200 Mendeleyev Street, Campinas 13083-860, São Paulo, Brazil
4. Brazilian Water Research Center, University of Campinas, Campinas 13083-970, São Paulo, Brazil