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Reduced-emissions combustion utilizing multiple-component metallic combustion catalyst and lightly catalyzed diesel oxidation catalyst

  • US 20050160724A1
  • Filed: 01/19/2005
  • Published: 07/28/2005
  • Est. Priority Date: 02/04/2002
  • Status: Abandoned Application
First Claim
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1. A method for reducing particulate emissions from a diesel engine while also controlling emissions of NO2 as a percent of exhaust total nitrogen oxides, comprising:

  • adding a fuel borne catalyst comprising platinum and cerium and/or iron at a total metal concentration of from 2 to 15 ppm in the fuel to a diesel fuel; and

    passing exhaust produced by the combustion through a diesel oxidation catalyst having substrate with a precious metal catalyst thereon, the catalyst be present on the substrate in an amount of less than 15 grams per cubic foot of substrate.

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