Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems, and methods
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United States of America Patent
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Nov 8, 2016
Grant Date -
Mar 26, 2015
app pub date -
Dec 8, 2014
filing date -
Oct 19, 2012
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Abstract
Described are compositions and catalytic articles comprising both a copper-promoted 8-ring small pore molecular sieve and an iron-promoted 8-ring small pore molecular sieve. The catalytic articles are useful in methods and systems to catalyze the reduction of nitrogen oxides in the presence of a reductant.
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