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    NOX STORAGE CATALYST WITH REDUCED RH LOADING
    3.
    发明公开
    NOX STORAGE CATALYST WITH REDUCED RH LOADING 有权
    NOX-SPEICHER-KATALYSATOR MIT REDUZIERTER RH-LADUNG

    公开(公告)号：EP2579983A4

    公开(公告)日：2014-12-31

    申请号：EP11792036

    申请日：2011-06-09

    Applicant: BASF SE

    Inventor： HILGENDORFF MARCUS

    IPC: B01J23/46 ,  B01D53/94 ,  B01J23/58 ,  B01J23/63 ,  B01J35/02 ,  B01J37/00 ,  B01J37/02

    CPC classification number: B01J37/0244 ,  B01D53/9422 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/9022 ,  B01D2255/91 ,  B01J23/464 ,  B01J23/58 ,  B01J23/63 ,  B01J35/023 ,  B01J37/0036 ,  B01J37/0248

    Abstract: The present invention relates to a nitrogen oxide storage catalyst comprising: a substrate; a first washcoat layer disposed on the substrate, the first washcoat layer comprising metal oxide support particles and a nitrogen oxide storage material comprising at least one metal compound selected from the group consisting of alkaline earth meta! compounds, alkali metal compounds, rare earth metal compounds, and mixtures thereof, at least a portion of said at least one metal compound being supported on the metal oxide support particles; and a second washcoat layer disposed over the first washcoat layer, said second washcoat layer comprising Rh, wherein the first washcoat layer contains substantially no Rh, and wherein the second washcoat layer is disposed on 100 - x % of the surface of the first washcoat layer, x ranging from 20 to 80.

    Abstract translation: 本发明涉及一种氮氧化物储存催化剂，其包括：基材; 设置在所述基板上的第一洗涂层，所述第一修补基面涂层包含金属氧化物载体颗粒和氮氧化物储存材料，所述氮氧化物储存材料包含至少一种选自碱土金属元素的金属化合物。 化合物，碱金属化合物，稀土金属化合物及其混合物，所述至少一种金属化合物的至少一部分负载在金属氧化物载体颗粒上; 以及设置在所述第一修补基面涂层上的第二修补基面涂层，所述第二修补基面涂层包含Rh，其中所述第一修补基面涂层基本上不含Rh，并且其中所述第二修补基面涂层设置在所述第一修补基面涂层的表面的100-x％ ，x范围从20到80。

    CATALYST FOR GASOLINE LEAN BURN ENGINES WITH IMPROVED NO OXIDATION ACTIVITY
    4.
    发明公开
    CATALYST FOR GASOLINE LEAN BURN ENGINES WITH IMPROVED NO OXIDATION ACTIVITY 审中-公开
    KATALYSATORFÜRBENZIN-MAGERVERBRENNUNGSMOTOREN MIT VERBESSERTER NICHTOXIDATIONSWIRKUNG

    公开(公告)号：EP2611535A4

    公开(公告)日：2014-05-21

    申请号：EP11821211

    申请日：2011-09-02

    Applicant: BASF SE

    Inventor： HILGENDORFF MARCUS

    IPC: B01J23/40 ,  B01D53/94 ,  B01J37/025

    CPC classification number: B01D53/945 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2022 ,  B01D2255/2025 ,  B01D2255/2027 ,  B01D2255/2042 ,  B01D2255/2045 ,  B01D2255/2047 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/2066 ,  B01D2255/2068 ,  B01D2255/20715 ,  B01D2255/9032 ,  B01D2255/908 ,  B01D2255/911 ,  B01D2258/014 ,  B01J21/04 ,  B01J21/066 ,  B01J23/40 ,  B01J23/464 ,  B01J23/58 ,  B01J23/63 ,  B01J37/0036 ,  B01J37/0201 ,  B01J37/0244 ,  B01J37/038 ,  Y02A50/2324 ,  Y02T10/22

    Abstract: The present invention relates to a catalyst comprising a substrate and a catalyst coating, the catalyst coating comprising two or more layers, said layers comprising: (a) a first layer provided on the substrate, said first layer comprising Pt and/or Pd; and (b) a second layer provided on the first layer, said second layer comprising Pt; the first and second layers each further comprising: one or more particulate support materials; one or more oxygen storage component (OSC) materials; and one or more nitrogen oxide storage materials comprising one or more elements selected from the group of alkali and/or alkaline earth metals, wherein the total amount of alkali and alkaline earth metals comprised in the one or more nitrogen oxide storage materials contained in the catalyst ranges from 0.18 to 2.5 g/in³ calculated as the respective alkali metal oxides M 2 O and alkaline earth metal oxides MO, as well as to a method for the production of a catalyst, and to a process for the treatment of a gas stream comprising nitrogen oxide, in particular of an exhaust gas stream resulting from an internal combustion engine.

    Abstract translation: 本发明涉及包含基材和催化剂涂层的催化剂，所述催化剂涂层包含两层或更多层，所述层包括：（a）设置在所述基材上的第一层，所述第一层包含Pt和/或Pd; 和（b）设置在第一层上的第二层，所述第二层包含Pt; 所述第一层和第二层各自还包括：一种或多种颗粒状载体材料; 一种或多种储氧组分（OSC）材料; 以及一种或多种氮氧化物储存材料，其包含选自碱金属和/或碱土金属的一种或多种元素，其中包含在催化剂中所含的一种或多种氮氧化物储存材料中的碱金属和碱土金属的总量 以相应的碱金属氧化物M 2 O和碱土金属氧化物MO计算的0.18至2.5g / in 3的范围，以及制备催化剂的方法，以及用于处理气流的方法，包括 氮氧化物，特别是由内燃机产生的废气流。

    CATALYST FOR GASOLINE LEAN BURN ENGINES WITH IMPROVED NH3-FORMATION ACTIVITY
    5.
    发明公开
    CATALYST FOR GASOLINE LEAN BURN ENGINES WITH IMPROVED NH3-FORMATION ACTIVITY 审中-公开
    KATALYSATORFÜRBENZIN-MAGERVERBRENNUNGSMOTOREN MIT VERBESSERTER NH3-BILDUNGSWIRKUNG

    公开(公告)号：EP2611536A4

    公开(公告)日：2014-06-11

    申请号：EP11821212

    申请日：2011-09-02

    Applicant: BASF SE

    Inventor： HILGENDORFF MARCUS

    IPC: B01J23/40 ,  B01D53/94 ,  B01J37/025

    CPC classification number: B01D53/9422 ,  B01D53/9445 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/202 ,  B01D2255/204 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/9022 ,  B01D2255/908 ,  B01D2255/91 ,  B01D2258/012 ,  B01J23/58 ,  B01J23/63 ,  B01J35/023 ,  B01J37/0036 ,  B01J37/0203 ,  B01J37/0244 ,  B01J37/0248 ,  B01J2523/00 ,  Y02A50/2324 ,  Y02T10/22 ,  B01J2523/3712 ,  B01J2523/3718 ,  B01J2523/3725 ,  B01J2523/48 ,  B01J2523/3706

    Abstract: The present invention relates to a catalyst comprising a substrate and a catalyst coating, the catalyst coating comprising two or more layers, said layers comprising: (a) a first layer provided on the substrate, said first layer comprising Pd and Rh; and (b) a second layer provided on the first layer, said second layer comprising Pt and/or Pd; the first and second layers each further comprising: one or more particulate support materials; one or more oxygen storage component (OSC) materials; and one or more nitrogen oxide storage materials comprising one or more elements selected from the group of alkali and/or alkaline earth metals, wherein the total amount of alkali and alkaline earth metals comprised in the one or more nitrogen oxide storage materials contained in the catalyst ranges from 0.18 to 2.0 g/in³ calculated as the respective alkali metal oxides M2O and alkaline earth metal oxides MO, as well as to a method for the production of a catalyst, and to a process for the treatment of a gas stream, in particular of an exhaust gas stream resulting from an internal combustion engine.

    Abstract translation: 本发明涉及包含基材和催化剂涂层的催化剂，所述催化剂涂层包含两层或更多层，所述层包括：（a）设置在所述基材上的第一层，所述第一层包含Pd和Rh; 和（b）设置在第一层上的第二层，所述第二层包含Pt和/或Pd; 所述第一层和第二层各自还包括：一种或多种颗粒状载体材料; 一种或多种储氧组分（OSC）材料; 以及一种或多种氮氧化物储存材料，其包含选自碱金属和/或碱土金属的一种或多种元素，其中包含在催化剂中所含的一种或多种氮氧化物储存材料中的碱金属和碱土金属的总量 以相应的碱金属氧化物M 2 O和碱土金属氧化物MO计算的0.18至2.0g / in 3的范围，以及用于生产催化剂的方法以及用于处理气流的方法 由内燃机产生的废气流。

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