Method and apparatus for reducing pollutants

  • US 6,012,283 A
  • Filed: 06/23/1998
  • Issued: 01/11/2000
  • Est. Priority Date: 05/18/1994
  • Status: Expired due to Term
First Claim
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1. A method of reducing at least one pollutant in an exhaust gas produced from the combustion of fuel, the method comprising:

  • passing at least a portion of the exhaust gas through a catalytic convertor having an inlet and an outlet;

    introducing ozone into the exhaust gas prior to the outlet of the catalytic converter, thereby producing an ozone enriched exhaust gas; and

    passing the ozone enriched exhaust gas through at least a portion of the catalytic converter, thereby reducing at least one pollutant, selected from the group consisting of unburnt hydrocarbons, carbon monoxide and oxides of nitrogen, from a first concentration to a second lower concentration.

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