CATALIZADOR DE ZEOLITA MIXTA DE FE-BEA/FE-MFI Y PROCESO PARA TRATAR NOX EN CORRIENTES DE GAS USANDO EL MISMO.

    公开(公告)号:MX2012011540A

    公开(公告)日:2012-11-16

    申请号:MX2012011540

    申请日:2011-04-08

    Applicant: BASF SE

    Abstract: Se provee un catalizador, preferiblemente para el uso en reducción catalítica selectiva (SCR). Dicho catalizador comprende una o más zeoltias del tipo de estructura MFI, y una o más zeolitas del tipo de estructura BEA, en donde al menos parte de la una o más zeolitas del tipo de estructura MFI y al menos parte de la una o más zeolitas del tipo de estructura BEA respectivamente contienen hierro (Fe). Además, se provee un sistema de tratamiento de gas de combustión que comprende dicho catalizador así como un proceso para el tratamiento de una corriente de gas que comprende NOx usando dicho catalizador también.

    FE-BEA/FE-MFI MIXED ZEOLITE CATALYST AND PROCESS FOR TREATING NOX IN GAS STREAMS USING THE SAME

    公开(公告)号:CA2795522A1

    公开(公告)日:2011-10-13

    申请号:CA2795522

    申请日:2011-04-08

    Applicant: BASF SE

    Abstract: A catalyst is provided, preferably for the use in selective catalytic reduction (SCR).Said catalyst comprises one or more zeolites of the MFI structure type, and one or more zeolites of the BEA structure type, wherein at least part of the one or more zeolites of the MFI structure type and at least part of the one or more zeolites of the BEA structure type respectively contain iron (Fe). Furthermore, provided are an exhaust gas treatment system comprising said catalyst as well as a process for the treatment of a gas stream comprising NOX using said catalyst as well.

    NOX STORAGE CATALYST WITH IMPROVED HYDROCARBON CONVERSION ACTIVITY
    14.
    发明公开
    NOX STORAGE CATALYST WITH IMPROVED HYDROCARBON CONVERSION ACTIVITY 审中-公开
    NOX-SPEICHER-KATALYSATOR MIT VERBESSERTERKOHLENWASSERSTOFFUMWANDLUNGSAKTIVITÄT

    公开(公告)号:EP2579985A4

    公开(公告)日:2015-01-21

    申请号:EP11792037

    申请日:2011-06-09

    Applicant: BASF SE

    Abstract: The present invention relates to a nitrogen oxide storage catalyst comprising: a substrate; a first washcoat layer provided on the subtstrate, the first washcoat layer comprising a nitrogen oxide storage material, a second washcoat layer provided on the first washcoat layer, the second washcoat layer comprising a hydrocarbon trap material, wherein the hydrocarbon trap material comprises substantially no element or com- pound in a state in which it is capable of catalyzing selective catalytic reduction, preferably wherein the hydrocarbon trap material comprises substantially no element or compound in a state in which it is capable of catalyzing a reaction wherein nitrogen oxide is reduced to N2, said catalyst further comprising a nitrogen oxide conversion material which is either comprised in the second washcoat layer and/or in a washcoat layer provided between the first washcoat layer and the second washcoat layer.

    Abstract translation: 本发明涉及一种氮氧化物储存催化剂,其包括:基材; 设置在所述底板上的第一修补基面涂层,所述第一修补基面涂层包含氮氧化物储存材料,所述第二修补基面涂层设置在所述第一修补基面涂层上,所述第二修补基面涂层包含烃捕集材料,其中所述烃阱材料基本上不包含元素 或在其能够催化选择性催化还原的状态下化合,优选其中烃阱材料基本上不含有能够催化其中氮氧化物还原为N 2的反应的元素或化合物, 所述催化剂还包含氮化物转化材料,其包含在第二修补基面涂层中和/或设置在第一修补基面涂层和第二修补基面涂层之间的修补基面涂层中。

Patent Agency Ranking