In this study, the conversion of methane and CO2 to synthesis gas using dry reforming over Pd/MgO catalysts using different concentrations of Ce3+ and Ce4+ was investigated.
A highly active and stable nano structured Pt/Mg1-xNixO catalysts was developed by a simple co-precipitation method. The obtained Pt/Mg1-xNixO catalyst exhibited cubic structure nanocatalyst with a size of 50–80 nm and realized CH4 and CO2 conversions as high as 98% at 900°C with excellent stability in the dry reforming of methane. The characterization of catalyst was performed using various kinds of analytical techniques including XRD, BET, XRF, TPR-H2, TGA, TEM, FESEM, FT-IR, and XPS analyses. Characterization of spent catalyst further confirms that Pt/Mg1-xNixO catalyst has high coke-resistance for dry reforming. Thus, the catalyst demonstrated in this study, offers a promising catalyst for resolving the dilemma between dispersion and reducibility of supported metal, as well as activity and stability during high temperature reactions.
The DRM reaction on the Pt, Pd, Ni/Mg1−XCeXO catalyst was studied where the methane molecule was activated on the Ni metal to produce hydrogen gas. The role of the other metals like Pt and Pd impregnated on the surface of the catalyst was shown.
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