catalysts Article Catalytic Behaviour of CuO-CeO2 Systems Prepared by Different Synthetic Methodologies in the CO-PROX Reaction under CO2-H2O Feed Stream Juan Antonio Cecilia 1, Ana Arango-Díaz 1, Jaasiel Marrero-Jerez 2,3, Pedro Núñez 2,3, Elisa Moretti 4, Loretta Storaro 4 and Enrique ...