Ammonia slip catalyst with in-situ Pt fixing

The invention relates to a catalytic article comprising a substrate having an inlet and an outlet; a first coating comprising a blend of: (1) platinum on a support, and (2) a first SCR catalyst; and a second coating comprising a second SCR catalyst; wherein the support comprises at least one of a ze...

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Bibliographic Details
Main Authors Yannick Bidal, Hai-Ying Chen, Joseph Michael Fedeyko, Neil Greenham, Matthew Eben Harris, Jing Lu
Format Patent
LanguageEnglish
Published 26.10.2022
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:The invention relates to a catalytic article comprising a substrate having an inlet and an outlet; a first coating comprising a blend of: (1) platinum on a support, and (2) a first SCR catalyst; and a second coating comprising a second SCR catalyst; wherein the support comprises at least one of a zeolite or a SiO2-Al2O3 mixed oxide. The platinum may be fixed on the support in solution.
Bibliography:Application Number: GB20190003489