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AssigneeMitsui Mining & Smelting Co., Ltd.
InventorsAkira Abe, Junji Kawano
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Provided is a particulate combustion catalyst including a carrier formed of Zr oxide, a carrier formed of a Zr—Ce composite oxide, or a carrier formed of a composite oxide containing Zr, Ce, and at least one metal selected from among Nd, La, Fe, Y, Pr, Ba, Ca, Mg, Sn, and Sr; an oxide of at least one metal selected from the group consisting of Ba, Ca, Mg, and Sr, the metal oxide being supported on the carrier in an amount, as reduced to metal, of 0.5 to 30 mass % with respect to the carrier; and metallic Ag or Ag oxide, which serves as a catalyst component and is supported on the carrier. Also provided are a particulate filter coated with the catalyst; and an exhaust gas cleaning apparatus including a particulate filter coated with the catalyst.
A particulate combustion catalyst characterized by comprising a carrier formed of zirconium oxide;
A particulate combustion catalyst characterized by comprising a carrier formed of a zirconium-cerium composite oxide;
A particulate combustion catalyst characterized by comprising a carrier formed of a composite oxide containing zirconium, cerium, and at least one metal selected from among Nd, La, Fe, Y, Pr, Ba, Ca, Mg, Sn, and Sr;
Dependencies are inferred from the claim text.