Skip to Content
Find More Like This
Return to Search

Method and apparatus for combination catalyst for reduction of NO.sub.x in combustion products

United States Patent

September 28, 2010
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A method and apparatus for catalytically processing a gas stream passing therethrough to reduce the presence of NO.sub.x therein, wherein the apparatus includes a first catalyst composed of a silver containing alumina that is adapted for catalytically processing the gas stream at a first temperature range, and a second catalyst composed of a copper containing zeolite located downstream from the first catalyst, wherein the second catalyst is adapted for catalytically processing the gas stream at a lower second temperature range relative to the first temperature range.
Socha; Richard F. (Newtown, PA), Vartuli; James C. (Schwenksville, PA), El-Malki; El-Mekki (Princeton, NJ), Kalyanaraman; Mohan (Media, PA), Park; Paul W. (Peoria, IL)
ExonMobil Research and Engineering Company (Annandale, NJ), Caterpillar Inc. (Peoria, IL)
11/ 157,729
June 21, 2005
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under DOE Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. Accordingly, the Government may have certain rights to this invention.