Effect of pore structure on Ni/Al2O3 microsphere catalysts for enhanced CO2 methanation

[Display omitted] •The effect of pore structure on NiO particles over Ni/Al2O3 catalysts was shown.•Ni dispersion after reduction depends on NiO size and metal–support interaction.•Sintering kinetic model was used to investigate Ni agglomeration during reduction.•Improved performance was achieved us...

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