Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component
Reexamination Certificate
2005-02-15
2005-02-15
Bos, Steven (Department: 1754)
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Nitrogen or nitrogenous component
C423S235000
Reexamination Certificate
active
06855303
ABSTRACT:
A method for catalytically reducing nitrogen oxide compounds (NOx, defined as nitric oxide, NO, +nitrogen dioxide, NO2) in a gas by a material comprising a base metal consisting essentially of CuO and Mn, and oxides of Mn, on an activated metal hydrous metal oxide support, such as HMO:Si. A promoter, such as tungsten oxide or molybdenum oxide, can be added and has been shown to increase conversion efficiency. This method provides good conversion of NOxto N2, good selectivity, good durability, resistance to SO2aging and low toxicity compared with methods utilizing vanadia-based catalysts.
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Gardner Timothy J.
McLaughlin Linda I.
Mowery-Evans Deborah L.
Bos Steven
Klavetter Elmer A.
Sandia Corporation
Strickland Jonas N.
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