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CATALYSTS FOR ENHANCED REDUCTION OF NOx GASES AND PROCESSES FOR MAKING AND USING SAME

United States Patent Application

20160107119
A1
View the Complete Application at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
Cu-exchanged zeolite catalysts with a chabazite structure containing selected concentrations of alkali ions or alkaline-earth ions and a lower concentration of (Cu) ions are described and a sequential process for making. Catalysts of the present invention reduce light-off temperatures providing enhanced low-temperature conversion of NOx gases. Catalysts of the present invention also exhibit high selectivity values compared to conventional NOx reduction catalysts.
Peden, Charles H. F. (Rockville, MD), Gao, Feng (Richland, WA), Wang, Yilin (Richland, WA), Kollar, Marton (Richland, WA), Szanyi, Janos (Richland, WA)
BATTELLE MEMORIAL INSTITUTE (Richland WA)
14/ 883,383
October 14, 2015
STATEMENT REGARDING RIGHTS TO INVENTION MADE UNDER FEDERALLY-SPONSORED RESEARCH AND DEVELOPMENT [0002] This invention was made with Government support under Contract DE-ACO5-76RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.