Abstract
Abstract The glycerol catalytic steam reforming over Ni and PtNi catalysts to produce H 2 was studied. The activity results indicate that the catalyst with the lower content of MgO, the NiA1M, provides higher H 2 molar ratios than the Ni catalyst. The behaviour of the NiA1M catalysts seems to be related to the Ni o species stabilization by nickel-magnesia interactions, which are favoured by the presence of well dispersed MgAl 2 O 4 spinels. The bimetallic catalyst, PtNiA3M named, reforms the intermediate products improving the activity of the Ni monometallic catalyst toward H 2 production. The characterization results suggest that the Pt in the Ni monometallic catalyst enhances the Ni o particles dispersion and the nickel species reducibility by H 2 spillover.
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