1. Technology
Development Center, Federal University of Pelotas (UFPEL), R. Gomes
Carneiro 1, 96010-610, Pelotas, RS, Brazil
2. National
Environmental Engineering Research Institute (NEERI), Chennai Zonal Laboratory, CSIR Campus, Taramani, Chennai 600113, India
3. Institute
of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9500, Postal Box 15003, 91501-970, Porto Alegre, RS, Brazil
4. Área
de Ciências Tecnológicas, Centro Universitário Franciscano (UNIFRA), R. dos Andradas 1614, 97010-032, Santa Maria, RS, Brazil