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Methods for variation of support oxide materials for ZPGM oxidation catalysts and systems using same

  • US 9,216,382 B2
  • Filed: 06/06/2013
  • Issued: 12/22/2015
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A catalyst system, comprising:

  • a substrate;

    a washcoat suitable for deposition on the substrate, comprising Praseodymium-doped Zirconium oxide; and

    an impregnation layer, comprising at least one second catalyst;

    wherein the at least one second catalyst comprises about 1% to about 10% by weight silver about 10% to about 40% by weight lanthanum, and about 10% to about 30% by weight manganese.

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