1. Programa de Engenharia Química/COPPE; Universidade Federal do Rio de Janeiro; Cidade Universitária-CP: 68502 21941-972 Rio de Janeiro Brazil
2. Department of Chemistry; University of Bath; Claverton Down Bath BA2 7AY UK
3. Department of Chemical Engineering; University of Bath; Claverton Down, Bath BA2 7AY UK
4. Departamento de Engenharia Química; Universidade Federal do Rio Grande do Sul; 90040040 Porto Alegre Brazil
5. Catalysis Division; National Institute of Technology; Av. Venezuela 82 20081-312 Rio de Janeiro Brazil
6. School of Chemistry, Cardiff Catalysis Institute; Cardiff University; CF10 3AT Cardiff UK