1. University of Campinas – UNICAMP Department of Materials Engineering and Bioprocess School of Chemical Engineering Av. Albert Einstein 500 CEP 13083-852 Campinas – SP Brazil
2. Universidade Federal do Maranhão (UFMA) Departamento de Engenharia Química Av. dos Portugueses 1966, Bacanga CEP 65080-805 São Luís-MA Brazil