Calcination Catalyst activity 10 Alumina 6 Catalyst supports 6 Catalysts 6 Copper 6 Hydrogen 6 Nickel 6 Steam reforming 6 X ray diffraction analysis 6 Calcination temperature 4 Catalyst precursors 4 Chemisorption 4 Ethanol 4 Ethanol steam reforming 4 Heat treatment 4 Steam 4 Synthesis (chemical) 4 X ray diffraction 4 Activation conditions 2 Activation treatment 2 Alpha Alumina Catalyst Support 2 Anisotropic composites 2 Association reactions 2 BET surface area 2 Bioethanol 2 Bulk compositions 2 CO-PROX 2 COPROX 2 COPROX reaction 2