LAYERED AND PARTITIONED CATALYST ARTICLE

Abstract: a zoned and partitioned catalyst article including platinum group metal (pgm) elements, such as platinum (pt) and palladium (pd), and porous support materials such as aluminum oxide (al2o3), silicon oxide (sio2), titanium oxide (tio2) and optionally including other metal oxides and promoters, which can be used for making a zoned catalyst article (1) for oxidizing carbon monoxide (co), hydrocarbons (hcs), hydrogen (h2) and nitrogen oxide (nox) emissions, the article further suitable for use as a temporary nox and hydrocarbon storage for reduction of total nox and hydrocarbon emissions.

Inventor(s): Ari VÄLIHEIKKI, Teuvo MAUNULA, Thomas WOLLF

CPC Classification: B01J35/19 ({Catalysts containing parts with different compositions})

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