Sulfur-resistant exhaust gas aftertreatment system for the oxidation of NO
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United States of America Patent
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Apr 2, 2013
Grant Date -
Oct 15, 2009
app pub date -
Mar 31, 2009
filing date -
Apr 12, 2008
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Abstract
An arrangement for aftertreatment of exhaust gas for lean-burn internal combustion engines such as diesel engines and Otto engines with direct injection includes a catalyzer for oxidation of nitrogen monoxide and a molecular sieve which keeps sulfur dioxide away from the catalyzer arranged upstream of the catalyzer.
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