1. CIEPQPF—Centro de Investigação em Engenharia dos Processos Químicos e Produtos da Floresta, GERSE—Group on Environment, Reaction and Separation Engineering, Dept. of Chemical Engineering, Faculty of Science and Engineering, Univ. of Coimbra, 3030–790 Coimbra, Portugal.
2. Adventech-Advanced Environmental Technologies, Centro Empresarial e Tecnológico, São João da Madeira, Portugal.
3. Associate Professor, CIEPQPF—Centro de Investigação em Engenharia dos Processos Químicos e Produtos da Floresta, GERSE—Group on Environment, Reaction and Separation Engineering, Dept. of Chemical Engineering, Faculty of Science and Engineering, Univ. of Coimbra, 3030–790 Coimbra, Portugal (corresponding author).