Abstract
A platinumloaded nickel-substituted smectite catalyst (Pt/Ni-SM) showed high activity for n-butane hydrogenolysis. XAFS analysis showed that the Pt/Ni-SM catalyst has active small nickel metal particles. The reduction mechanism of nickel divalent cations in the lattice was discussed. It has been shown that noble metal (platinum or palladium) particles are first produced and then nickel divalent cations in lattice are reduced to metal particles in noble metal cation loaded nickel-substituted smectite catalyst during hydrogen reduction.
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