Patent ID: 7432222

Claim:
A high temperature stable supported non-noble metal catalyst comprising Ni, Co, Ce, Mg, Y, and O with a formula: NiCo a Ce b Mg c Y d O x (y)/S, wherein S is a low surface area macroporous highly sintered solid support essentially comprising zirconium and hafnium oxides with less than 3 wt % silica and/or alumina and with a surface area of less than 1.0 m 2 /g and pore diameter greater than 0.1 micron, in a form of pellet, ring, monolith or granules; wherein Ni, Co, Ce, Mg, Y and O are nickel, cobalt, cerium, magnesium, yttrium and oxygen, respectively; a is Co/Ni mole ratio; b is Ce/Ni mole ratio; c is Mg/Ni mole ratio; d is Y/Ni mole ratio; x is the number of oxygen atoms required to fulfill the valance requirement of metallic elements, NiCo a Ce b Mg c Y d ; and y is weight percent loading of active catalyst mass, NiCo a Ce b Mg c Y d O x , on the support, S.