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Business unit / dept.: Automotive Catalysts

Corrugated SCR Catalysts

Depending on the NO/NO2 content in the exhaust gas, two important main SCR reactions are:

• Without NO2: Standard SCR: 

4 NH3 + 4 NO + O2 → 4 N2 + 6 H2O


•With NO2: Fast SCR: 

4 NH3 + 2 NO + 2 NO2 → 4 N2 + 6 H2O

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