Zeolite catalyst with improved NOx reduction in SCR
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United States of America Patent
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Apr 27, 2010
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Jun 14, 2007
app pub date -
Dec 14, 2006
filing date -
Dec 14, 2005
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Abstract
The present invention is directed to a novel metal-promoted zeolite catalyst, a method of producing the catalyst and a method of using the catalyst for the selective catalytic reduction of NOx with improved hydrothermal durability. The novel metal-promoted zeolite is formed from a low sodium zeolite and is hydrothermally treated after metal ion-exchange.
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