1. Graduate Program in Science and Engineering of Materials, Federal University of Pampa, Bagé 96413-172, Brazil
2. Graduate Program in Materials Science and Engineering, Technology Development Center, Federal University of Pelotas, Pelotas 96010-610, Brazil
3. Chemical Engineering, Federal University of Pampa, Bagé 96413-172, Brazil
4. Department of Chemical Engineering, Federal University of Santa Maria, Santa Maria 97105-900, Brazil