Luiz Rigotto1, Sérgio F. Aquino1, João Rigotto2, Grazielle Santos1, Ludymyla M.L. Silva1, Aníbal F. Santiago1
1Department of Environmental Engineering, Federal University of Ouro Preto (UFOP), Ouro Preto 35400-000, Minas Gerais, Brazil
2Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, Minas Gerais, Brazil