CATALYTIC COMPOSITION

A catalytic composition for treating a NOx-containing exhaust gas, wherein the composition comprises a copper-substituted small-pore zeolite comprising: i) Ce and/or La in a total amount of about 5 to about 400 g/ft3; and ii) Nd and/or Nb in a total amount of about 5 to about 400 g/ft3. L'inven...

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Bibliographic Details
Main Authors BIDAL, Yannick, HARRIS, Matthew Eben, GREENHAM, Neil, GREEN, Alexander Nicholas Michael, AVIS, Daniel Robert
Format Patent
LanguageEnglish
French
Published 17.11.2022
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:A catalytic composition for treating a NOx-containing exhaust gas, wherein the composition comprises a copper-substituted small-pore zeolite comprising: i) Ce and/or La in a total amount of about 5 to about 400 g/ft3; and ii) Nd and/or Nb in a total amount of about 5 to about 400 g/ft3. L'invention concerne une composition catalytique pour traiter un gaz d'échappement contenant des NOx, la composition comprenant une zéolite à petits pores substituée par du cuivre comprenant : i) Ce et/ou La dans une quantité totale d'environ 5 à environ 400 g/ft ; et ii) Nd et/ou Nb en une quantité totale d'environ 5 à environ 400 g/ft.
Bibliography:Application Number: WO2022GB51210