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Dual Function Catalytic Filter

  • US 20140093442A1
  • Filed: 05/31/2012
  • Published: 04/03/2014
  • Est. Priority Date: 05/31/2011
  • Status: Abandoned Application
First Claim
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1. An article for treating an exhaust gas comprising:

  • a) a soot filter having an inlet and an outlet,b) a soot oxidation zone on the inlet, wherein the soot oxidation zone comprises a soot oxidation catalytic component consisting essentially of at least one transition metal dispersed on a cerium and zirconium mixed and/or composite oxide, wherein the at least one transition metal is selected from the group consisting of W, Cr, Ce, Mn, Fe, Co, Ni, Cu, and combinations thereof, andc) an SCR zone coated on the outlet, wherein the SCR zone comprises an SCR catalytic component.

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