1. INCDCP-ICECHIM, 202 Spl. Independentei, 6th District, 060021 Bucharest, Romania
2. Department of Bioresources and Polymer Science, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
3. Department of Chemical Engineering, Coimbra University, R. Silvio Lima, 3030-790 Coimbra, Portugal