1. Institute of Process Research and Development, School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, U.K.
2. Institute of Physics Gleb Wataghin, University of Campinas − UNICAMP, 13083-859 Campinas, São Paulo, Brazil
3. CCSST, Federal University of Maranhão − UFMA, 65900-410 Imperatriz, Maranhão, Brazil