1. Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
2. Instituto
Nacional
del Carbón, INCAR-CSIC, C/Francisco Pintado Fe 26, 33011 Oviedo, Spain