Aluminum 4 Catalyst activity 4 Catalyst selectivity 4 Glycerol 4 Nickel 4 Steam reforming 4 Steam reforming of glycerols 4 Structural characteristics 4 Activity results 2 Atmospheric pressure 2 Atomic emission spectroscopy 2 Carbon 2 Carbon deposition 2 Carbon dioxide 2 Carbon gasification 2 Catalyst supports 2 Catalysts 2 Catalytic performance 2 Catalytic properties 2 Catalytic reforming 2 Emission spectroscopy 2 Glycerol Ni/γ-Al2O3 Mg(II) Steam reforming 2 Inductively coupled plasma 2 Inductively coupled plasma atomic emission spectroscopy 2 Nanocrystals 2 Ni(II) content 2 Ni(II)-Mg(II)/γ-Al2O3 catalysts 2 NiO nanocrystals 2 Steam 2 Temperature-programmed reduction 2