[1] Univ Brasilia, Dept Mech Engn, Fac Technol, Campus Univ Darcy Ribeiro, BR-70910900 Brasilia, DF, Brazil
[2] Univ Fed Minas Gerais, Chem Engn Dept, BR-31270901 Belo Horizonte, MG, Brazil
[3] Univ Fed Minas Gerais, Chem Dept, Lab Mat Nanoestruturados, BR-37270901 Belo Horizonte, MG, Brazil