HC-SCR System for Lean Burn Engines
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United States of America Patent
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Issued Date -
Oct 7, 2010
app pub date -
Mar 26, 2010
filing date -
Apr 2, 2009
priority date (Note) -
Abandoned
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Abstract
Systems and methods for abating NOx emission in an exhaust stream are provided. Systems comprising hydrocarbon conversion over a partial oxidation catalyst in a slip stream and a hydrocarbon selective catalytic reduction catalyst are described. The emissions treatment system is advantageously used for the treatment of exhaust streams from lean burn engines including diesel engines, lean burn gasoline engines and locomotive engines.
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