Preparation of Ni-Mg/β-SiC catalysts for the methane tri-reforming: Effect of the order of metal impregnation

- Catalysts prepared impregnating Ni first showed the worst catalytic behaviour.
- Impregnation of Ni in first place leads to the formation of Ni2Si.
- Catalysts prepared impregnating Mg first yielded the lowest amount of coke after reaction.
- Simultaneous impregnation generates catalysts with the best activity and stability.