Heat resistant metallic oxide catalyst for reducing pollution emission

A catalyst for reducing the pollutant release containing in the exhaust gas comprising:

• a ceramic primary-core support carrier coated with oxides of Yttrium and Zirconium wherein said Yttrium has a weight percentage of approximately 0.3%.

A catalyst for reducing the pollutant release containing in the exhaust gas comprising:

• a ceramic primarycore support means comprising 2MgO.Al.sub.2 O.sub.3.5SiO.sub.2 coated with Y.sub.2 O.sub.3 and ZrO.sub.2 ;
• an inner catalytic layer of Perovskite type of crystals of ABO.sub.3 where A is at least one element selected from a group consisting of metals in Groups 1A, 1B, 2A, 3B, 4A and 5A in the periodic table including the elements with atomic number from 58 to 71, and actinide metals having an atomic number ranging from 90 to 104 and said element B is at least one metal selected from groups consisting of 1A, 1B, 2A, 2B, 3A, 3B, 4A, 4B, 5A, 5B, 6B, 7B, and elements of transition metals, said inner catalytic layer coated over said support carrier and actinide metals having an atomic number ranging from 90 to 104 and said element B is at least one metal selected from groups consisting of 1A, 1B, 2A, 2B, 3A, 3B, 4A, 4B, 5A, 5B, 6B, 7B, and elements of transition metals;
• an outer catalytic layer comprising Yttrium and Zirconium and Spinel composite oxides of rare earth elements, or noble metals wherein said element Yttrium has a weight percentage of approximately 0.5%, wherein said outer catalytic layer is coated over said inner catalytic layer.

A method for manufacturing a catalyst for reducing the pollutant release containing in the exhaust gas comprising:

• (a) forming a primary-core support carrier by coating a ceramic material with oxides of Yttrium and Zirconium wherein said Yttrium having a weight percentage of approximately 0.3%.