1. Centro Universitário de Formiga, 328 Doutor Arnaldo de Senna Ave. Formiga MG 35570‐000 Brazil
2. Department of Chemical Engineering University of Campinas, Cidade Universitária Zeferino Vaz 500 Albert Einstein Ave. Campinas SP 13083‐852 Brazil
3. Department of Chemical and Biological Engineering University of Ottawa 161 Louis Pasteur Pvt. Ottawa ON K1N 6N5 Canada