1. Department of Chemical Engineering, University of Cantabria, Avda. Los Castros s/n, 39005, Santander, Spain E-mail: gema.perez@unican.es; ortizi@unican.es; urtiaga@unican.es
2. APRIA Systems S.L., Edificio CDTUC, Avda. Los Castros s/n, 39005, Santander, Spain E-mail: consultec@apriasystems.es