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AssigneesUniversity of Surrey, University of Alicante
InventorsTomas Ramirez Reina, Estelle Le Saché, Sai Gu, David Watson, Laura Pastor Pérez, Antonio Sepúlveda Escribano
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Pyrochlore-based solid mixed oxide materials suitable for use in catalysing a hydrocarbon reforming reaction are disclosed, as well as methods of preparing the materials, and their uses in hydrocarbon reforming processes. The materials contain a catalytic quantity of inexpensive nickel and exhibit catalytic properties in dry reforming reactions that are comparable—if not better—than those observed using expensive noble metal-containing catalysts. Moreover, the Pyrochlore-based solid mixed oxide materials can be used in low temperature dry reforming reactions, where other catalysts would become deactivated due to coking. Accordingly, the catalytic materials represent a sizeable development in the industrial-scale reforming of hydrocarbons.
A solid mixed oxide material suitable for use in catalysing a methane dry reforming reaction, wherein the solid mixed oxide material comprises a first crystalline phase, the first crystalline phase being attributable to a pyrochlore crystal structure, and wherein the solid mixed oxide material comprises 7.5-13.0% of nickel by weight relative to a total weight of the solid mixed oxide material, and wherein the first crystalline phase has a composition according to general formula (I) shown below
Dependencies are inferred from the claim text.