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    Systems and Methods for Managing a Synergistic Relationship Between PGM and Copper-Manganese in a Three Way Catalyst Systems
    4.
    发明申请
    Systems and Methods for Managing a Synergistic Relationship Between PGM and Copper-Manganese in a Three Way Catalyst Systems 审中-公开
    用于管理三元催化剂体系中PGM和铜锰之间协同关系的系统和方法

    公开(公告)号：US20150148225A1

    公开(公告)日：2015-05-28

    申请号：US14090938

    申请日：2013-11-26

    申请人： Zahra Nazarpoor ,  Stephen J. Golden

    发明人： Zahra Nazarpoor ,  Stephen J. Golden

    IPC分类号： B01J23/89

    CPC分类号： B01J23/8986 ,  B01D53/945 ,  B01D2255/102 ,  B01D2255/20715 ,  B01D2255/2073 ,  B01D2255/20761 ,  B01D2255/2092 ,  B01D2255/908 ,  B01J23/005 ,  B01J37/0244 ,  B01J37/038 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/17 ,  B01J2523/31 ,  B01J2523/56 ,  B01J2523/72 ,  B01J2523/824

    摘要： Synergized Platinum Group Metals (SPGM) catalyst systems for TWC application are disclosed. Disclosed SPGM catalyst systems may include a washcoat with a Cu—Mn spinel structure, Cu1.0Mn2.0O4, supported on Nb2O5—ZrO2 and an overcoat that includes PGM supported on carrier material oxides, such as alumina. SPGM catalyst system that includes the spinel structure of Cu1.0Mn2.0O4 show significant improvement in nitrogen oxide reduction performance under stoichiometric operating conditions and especially under lean operating conditions, which allows a reduced consumption of fuel. Additionally, disclosed SPGM catalyst system with spinel structure of Cu1.0Mn2.0O4 also enhances the reduction of carbon monoxide and hydrocarbon within catalytic converters. Furthermore, disclosed SPGM catalyst systems are found to have enhanced catalyst activity compared to same catalyst system that do not include Cu—Mn spinel catalysts, showing that there is a synergistic effect among PGM catalyst and Cu—Mn stoichiometric spinel structure within the disclosed SPGM catalyst system.

    摘要翻译： 披露了用于TWC应用的协同作用的铂族金属（SPGM）催化剂体系。 公开的SPGM催化剂体系可以包括具有Cu-Mn尖晶石结构的修补基面涂层，负载在Nb 2 O 5 -ZrO 2上的Cu1.0Mn2.0O4和包含负载在载体材料氧化物如氧化铝上的PGM的外涂层。 包括Cu1.0Mn2.0O4的尖晶石结构的SPGM催化剂体系在化学计量操作条件下，特别是在稀薄的操作条件下显示出氮氧化物还原性能的显着改善，这允许减少燃料消耗。 另外，公开了具有尖晶石结构的Cu1.0Mn2.0O4的SPGM催化剂体系还增强了催化转化器中一氧化碳和碳氢化合物的还原。 此外，与不含Cu-Mn尖晶石催化剂的相同催化剂体系相比，发现所公开的SPGM催化剂体系具有增强的催化剂活性，表明在所公开的SPGM催化剂中PGM催化剂和Cu-Mn化学计量的尖晶石结构之间存在协同效应 系统。

    System and Methods for Using Synergized PGM as a Three-Way Catalyst
    5.
    发明申请
    System and Methods for Using Synergized PGM as a Three-Way Catalyst 有权
    使用协同PGM作为三元催化剂的系统和方法

    公开(公告)号：US20150148223A1

    公开(公告)日：2015-05-28

    申请号：US14090861

    申请日：2013-11-26

    申请人： Zahra Nazarpoor ,  Stephen J. Golden

    发明人： Zahra Nazarpoor ,  Stephen J. Golden

    IPC分类号： B01J23/89 ,  B01J23/889

    CPC分类号： B01J23/8986 ,  B01D53/945 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/20715 ,  B01D2255/2073 ,  B01D2255/20761 ,  B01D2255/405 ,  B01D2255/9022 ,  B01D2255/908 ,  B01D2258/012 ,  B01J23/005 ,  B01J23/8892 ,  B01J37/0244 ,  B01J37/035 ,  B01J37/038 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/17 ,  B01J2523/48 ,  B01J2523/56 ,  B01J2523/72 ,  B01J2523/31 ,  B01J2523/824

    摘要： Synergies resulting from combinations of catalyst systems including Copper-Manganese material compositions and PGM catalysts are disclosed. Variations of catalyst system configurations are tested to determine most effective material composition, formulation, and configuration for an optimal synergized PGM (SPGM) catalyst system. The synergistic effect of the selected SPGM catalyst system is determined under steady state and oscillating test conditions, from which the optimal NO/CO cross over R-value indicates enhanced catalytic behavior of the selected SPGM catalyst system as compared with current PGM catalysts for TWC applications. According to principles in the present disclosure, application of Pd on alumina-based support as overcoat and Cu—Mn spinel structure supported on Nb2O5—ZrO2 as washcoat on suitable ceramic substrate, produce higher catalytic activity, efficiency, and better performance in TWC condition, especially under lean condition, than commercial PGM catalysts.

    摘要翻译： 公开了由包括铜 - 锰材料组合物和PGM催化剂的催化剂体系的组合产生的协同作用。 测试催化剂体系配置的变化，以确定最佳协同PGM（SPGM）催化剂体系的最有效的材料组成，配方和配置。 所选择的SPGM催化剂体系的协同效应是在稳定状态和振荡试验条件下测定的，与当前用于TWC应用的PGM催化剂相比，最优NO / CO交叉R值表明所选SPGM催化剂体系的催化行为增强 。 根据本公开的原理，在合适的陶瓷衬底上，作为外涂层和负载在Nb 2 O 5 -ZrO 2上的Cu-Mn尖晶石结构的氧化铝基载体上施加Pd作为修补基面涂层，在TWC条件下产生更高的催化活性，效率和更好的性能， 特别是在贫血条件下，比商业PGM催化剂。

    Oxygen storage material without rare earth metals
    6.
    发明申请
    Oxygen storage material without rare earth metals 审中-公开
    不含稀土金属的储氧材料

    公开(公告)号：US20150051067A1

    公开(公告)日：2015-02-19

    申请号：US13970172

    申请日：2013-08-19

    申请人： Zahra Nazarpoor ,  Stephen J. Golden

    发明人： Zahra Nazarpoor ,  Stephen J. Golden

    IPC分类号： B01J23/889 ,  B01J23/20

    CPC分类号： B01J23/8892 ,  B01D53/945 ,  B01D2255/20715 ,  B01D2255/2073 ,  B01D2255/20761 ,  B01D2255/405 ,  B01D2255/908 ,  B01D2258/014 ,  B01J23/005 ,  B01J23/20 ,  B01J37/035 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/17 ,  B01J2523/48 ,  B01J2523/56 ,  B01J2523/72

    摘要： The present disclosure relates to an enhanced oxygen storage material (OSM) that may be converted into powder form and used as a raw material for a vast number of applications, and more particularly in catalyst systems. The disclosed OSM, substantially free from PGM and rare earth (RE) metals, has significantly higher oxygen storage capacity (OSC) than conventional OSM including PGM and RE metals. The disclosed OSM may be converted into powder, including a formulation of Cu—Mn spinel structure deposited on Nb—Zr oxide support. The disclosed OSM may also be coated onto a ceramic substrate as washcoat layer for characterization under OSC isothermal oscillating condition. The disclosed OSM may have an optimal OSC property that increases with the temperature, showing acceptable level of O2 storage even at low temperatures.

    摘要翻译： 本公开涉及可以转化为粉末形式并用作大量应用的原料，更具体地在催化剂体系中的增强型储氧材料（OSM）。 基本上没有PGM和稀土（RE）金属的公开的OSM具有比常规OSM（包括PGM和RE金属）显着更高的储氧能力（OSC）。 所公开的OSM可以转化为粉末，包括沉积在Nb-Zr氧化物载体上的Cu-Mn尖晶石结构的配方。 所公开的OSM也可以涂覆在陶瓷衬底上作为用于在OSC等温振荡条件下表征的洗涂层。 所公开的OSM可以具有随温度升高的最佳OSC性质，即使在低温下也显示出可接受的O2储存水平。

    Synergized PGM Catalyst with Low PGM Loading and High Sulfur Resistance for Diesel Oxidation Application
    9.
    发明申请
    Synergized PGM Catalyst with Low PGM Loading and High Sulfur Resistance for Diesel Oxidation Application 审中-公开
    低PGM负载的协同PGM催化剂和柴油氧化应用的高耐硫性

    公开(公告)号：US20160136617A1

    公开(公告)日：2016-05-19

    申请号：US14543564

    申请日：2014-11-17

    申请人： Zahra Nazarpoor ,  Stephen J. Golden

    发明人： Zahra Nazarpoor ,  Stephen J. Golden

    IPC分类号： B01J23/40 ,  B01J35/00 ,  B01J23/34 ,  B01J23/44 ,  B01J23/42 ,  B01D53/94

    CPC分类号： B01J23/40 ,  B01D53/944 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2061 ,  B01D2255/2073 ,  B01D2255/402 ,  B01D2255/9022 ,  B01D2258/012 ,  B01J23/42 ,  B01J23/44 ,  B01J35/0006 ,  B01J37/0244

    摘要： Sulfur-resistant SPGM catalysts with significant oxidation capabilities are disclosed. Catalytic layers of SPGM samples may be prepared using incipient wetness and metallizing techniques to structure a washcoat layer of ZPGM material of YMnO3 perovskite , and an overcoat layer including Pt/Pd composition on alumina-silica support oxide. Loading of PGM in OC layer is less than 5 g/ft3. A testing methodology for samples may be enabled including of DOC light-off, and soaking under isothermal DOC and sulfated DOC conditions to assess synergistic influence of adding ZPGM to PGM catalyst samples. Resistance to sulfur and catalytic stability may be observed under 5.2 gS/L condition to assess significant improvements in NO oxidation, HC conversion, and CO selectivity. Resistance to sulfur of disclosed SPGM catalyst may be compared with performance of an equivalent PGM control catalyst for DOC applications.

    摘要翻译： 公开了具有显着氧化能力的耐硫SPGM催化剂。 可以使用初始湿度和金属化技术制备SPGM样品的催化层以构成YMnO 3钙钛矿的ZPGM材料的修补基面涂层，以及在氧化铝 - 二氧化硅载体氧化物上包含Pt / Pd组成的外涂层。 PGM在OC层中的加载量小于5g / ft 3。 可以实现样品的测试方法，包括DOC关闭和在等温DOC和硫酸化DOC条件下浸泡，以评估向PGM催化剂样品中加入ZPGM的协同影响。 在5.2 gS / L条件下，可以观察到硫的耐受性和催化稳定性，以评估NO氧化，HC转化和CO选择性的显着改善。 所公开的SPGM催化剂的耐硫性可与用于DOC应用的等效PGM对照催化剂的性能进行比较。

    Thermal Stability of Copper-Manganese Spinel as Zero PGM Catalyst for TWC Application
    10.
    发明申请
    Thermal Stability of Copper-Manganese Spinel as Zero PGM Catalyst for TWC Application 有权
    铜锰尖晶石作为零PGM催化剂用于TWC应用的热稳定性

    公开(公告)号：US20160121308A1

    公开(公告)日：2016-05-05

    申请号：US14528746

    申请日：2014-10-30

    申请人： Zahra Nazarpoor ,  Anke Elizabeth Abken ,  Stephen J. Golden

    发明人： Zahra Nazarpoor ,  Anke Elizabeth Abken ,  Stephen J. Golden

    IPC分类号： B01J23/889

    CPC分类号： B01J23/8892 ,  B01D53/945 ,  B01D2255/20715 ,  B01D2255/2073 ,  B01D2255/20746 ,  B01D2255/20761 ,  B01D2255/2092 ,  B01D2255/405 ,  B01D2255/65 ,  B01J23/005 ,  B01J37/0242 ,  B01J37/0244 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/17 ,  B01J2523/72 ,  B01J2523/845 ,  B01J2523/31 ,  B01J2523/3718 ,  B01J2523/48

    摘要： Effect of the type of ZPGM material composition to improve thermal stability of ZPGM catalyst systems for TWC application is disclosed. ZPGM catalyst system samples are prepared and configured with washcoat on ceramic substrate, overcoat including doped Zirconia support oxide, and impregnation layer including either Cu1Mn2O4 spinel or Cu1Co1Mn1O4 spinel. Testing of ZPGM catalyst samples including variations of aging temperatures and different impregnation layer materials are developed under isothermal steady state sweep test condition for ZPGM catalyst systems to evaluate performance especially NOx conversions and level of thermal stability. As a result disclosed ZPGM catalyst systems with most suitable spinel that includes Cu1Co1Mn1O4 in impregnation layer exhibit high NOx conversion and significant improved thermal stability compare to Cu1Mn2O4 spinel, which is suitable for under floor and close coupled TWC application. The effect of adding Co to Cu—Mn spinel composition to improve thermal stability confirmed by TPR measurement.

    摘要翻译： 公开了ZPGM材料组成的类型，以提高ZPGM催化剂体系对TWC应用的热稳定性的影响。 ZPGM催化剂体系样品在陶瓷基体上制备并配置有涂层，外涂层包括掺杂的氧化锆载体氧化物，以及包含Cu1Mn2O4尖晶石或Cu1Co1Mn1O4尖晶石的浸渍层。 ZPGM催化剂样品的测试包括老化温度和不同浸渍层材料的变化，在ZPGM催化剂体系的等温稳态扫描试验条件下开发，以评估性能，特别是NOx转化率和热稳定性水平。 结果表明，与Cu1Mn2O4尖晶石相比，在浸渍层中包含Cu1Co1Mn1O4的最合适的尖晶石的ZPGM催化剂体系表现出高的NOx转化率和显着的改善的热稳定性，适用于底层和紧耦合的TWC应用。 通过TPR测量证实，添加Co对Cu-Mn尖晶石组合物以提高热稳定性的效果。