Catalysts 6 Catalytic reforming 6 Nickel 6 Steam reforming 6 Catalyst activity 4 Glycerol 4 Hydrogen production 4 Acetone 2 Alumina 2 Aluminum 2 Aqueous fractions 2 Atmospheric pressure 2 Atomic emission spectroscopy 2 Carbon 2 Carbon Formation 2 Carbon filaments 2 Catalyst selectivity 2 Catalyst supports 2 Catalytic behaviour 2 Catalytic steam reforming 2 Chemical reactors 2 Coke formation rates 2 Dispersions 2 Emission spectroscopy 2 Ethanol 2 Ethanol reforming 2 Fixed bed reactor 2 Glycerol steam reforming 2 Hydrogen 2 Hydrogen-rich gas 2