1. Chemical Engineering Department, Université Laval, Quebec City G1 V 0A6, Québec, Canada
2. Institute of Exact Sciences and Technology, Feevale University, Novo Hamburgo-RS, 93525-075, Brazil
3. Physics and Chemistry Department, UNISC, Santa Cruz-RS, 96815-900, Brazil
4. Materials Engineering Department, PPGEM, Federal University of Rio Grande do Sul, Porto Alegre, 91501-970, Brazil