CATALYZED SCR FILTER AND EMISSION TREATMENT SYSTEM
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United States of America Patent
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Jan 14, 2021
app pub date -
Sep 29, 2020
filing date -
Aug 5, 2003
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Provided is a catalyst article for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The catalyst article has a soot filter coated with a material effective in the Selective Catalytic Reduction (SCR) of NOx by a reductant, e.g., ammonia.
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