METHOD AND SYSTEM FOR THE PURIFICATION OF EXHAUST GAS FROM AN INTERNAL COMBUSTION ENGINE

The invention discloses a method for the purification of exhaust gas from an internal combustion engine, comprising in series an oxidation catalyst, a filter for the removal of soot, and a catalyst being active in NH3-SCR, wherein the SCR filter is integrated into the particulate filter. The SCR cat...

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Bibliographische Detailangaben
Hauptverfasser: MARIN, Manuel Moliner, MARTI, Cristina Franch, VENNESSTRØM, Peter N. R, CANÓS, Avelino Corma, GRILL, Marie, GIMENO, Antonio Eduardo Palomares, KUSTOV, Arkady, THØGERSEN, Joakim Reimer
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The invention discloses a method for the purification of exhaust gas from an internal combustion engine, comprising in series an oxidation catalyst, a filter for the removal of soot, and a catalyst being active in NH3-SCR, wherein the SCR filter is integrated into the particulate filter. The SCR catalyst comprises a hydrothermally stable microporous zeolite of the AEI type framework selected from SSZ-39 and SAPO-18 and is promoted with copper.