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Process of activation of a palladium catalyst system

United States Patent

August 2, 2011
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
Improved processes for activating a catalyst system used for the reduction of nitrogen oxides are provided. In one embodiment, the catalyst system is activated by passing an activation gas stream having an amount of each of oxygen, water vapor, nitrogen oxides, and hydrogen over the catalyst system and increasing a temperature of the catalyst system to a temperature of at least C. at a heating rate of from Use of activation processes described herein leads to a catalyst system with superior NOx reduction capabilities.
Sobolevskiy; Anatoly (Orlando, FL), Rossin; Joseph A. (Columbus, OH), Knapke; Michael J. (Columbus, OH)
Siemens Energy, Inc. (Orlando, FL)
12/ 613,176
November 5, 2009
STATEMENT REGARDING FEDERALLY SPONSORED DEVELOPMENT Development for this invention was supported in part by Contract No. DE-FC26-05NT42644, awarded by the United States Department of Energy. Accordingly, the United States Government may have certain rights in this invention.