CATALYTIC SYSTEM COMPRISING ANTIMONY-CONTAINING CATALYST
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United States of America
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Nov 28, 2024
app pub date -
Sep 26, 2022
filing date -
Sep 26, 2022
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Abstract
A catalyst system for purifying an exhaust gas, comprising one or more antimony-containing regions comprising an antimony-containing catalyst, particularly antimony-containing SCR catalyst, and one or more antimony-trapping regions comprising a molecular sieve which is optionally metal-promoted, wherein at least one of the antimony-trapping regions is located downstream of the one or more antimony-containing regions in a flow direction of the exhaust gas, and also a method for treatment of an exhaust gas containing nitrogen oxides.
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