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    • 4. 发明申请
    • METHOD FOR THE PRODUCTION OF A SHELL CATALYST LOADED WITH PD AND/OR AU
    • 用PD和/或AU加载壳体催化剂的方法
    • US20100261603A1
    • 2010-10-14
    • US12601900
    • 2008-05-30
    • Alfred HagemeyerGerhard MestlPeter Scheck
    • Alfred HagemeyerGerhard MestlPeter Scheck
    • B01J23/44B01J23/52
    • B01J37/031B01J23/44B01J23/52B01J23/66B01J35/008B01J35/026B01J37/0221B01J37/024
    • The present invention relates to a process for the production of a shell catalyst which comprises a catalyst support shaped body with an outer shell in which metallic Pd and/or Au is contained. In order to provide a process by means of which shell catalysts can be obtained, in the outer shell of which relatively high metallic Pd and/or Au contents are contained, a process is proposed comprising the steps of a) providing a porous catalyst support shaped body; b) providing a first solution in which a Pd and/or an Au precursor compound is contained; c) providing a second solution in which a Pd and/or a Au precursor compound is contained, wherein the first solution brings about a precipitation of the noble-metal component(s) of the second solution and the second solution a precipitation of the noble-metal component(s) of the first solution; d) loading the catalyst support shaped body with the first and with the second solution; e) converting the noble-metal component(s) precipitated on the catalyst support body into the metal form.
    • 本发明涉及一种壳催化剂的制备方法,其包括具有外壳的催化剂载体成形体,其中包含金属Pd和/或Au。 为了提供可以获得壳催化剂的方法,在其包含相对高的金属Pd和/或Au含量的外壳中,提出了一种方法,包括以下步骤:a)提供多孔催化剂载体,其形状 身体; b)提供其中包含Pd和/或Au前体化合物的第一溶液; c)提供其中包含Pd和/或Au前体化合物的第二溶液,其中第一溶液导致第二溶液的贵金属组分的沉淀和第二溶液沉淀贵金属 - 第一溶液的金属组分; d)用第一和第二溶液装载催化剂载体成形体; e)将催化剂载体上沉淀的贵金属组分转化为金属形式。
    • 8. 发明申请
    • METHOD FOR PRODUCING A SHELL CATALYST AND CORRESPONDING SHELL CATALYST
    • 制备壳催化剂的方法和相应的壳催化剂
    • US20100197488A1
    • 2010-08-05
    • US12601777
    • 2008-05-30
    • Alfred HagemeyerGerhard MestlPeter ScheckSybille Ungar
    • Alfred HagemeyerGerhard MestlPeter ScheckSybille Ungar
    • B01J23/66B01J21/08B01J21/06B01J23/72B01J23/44B01J23/02
    • B01J35/008B01J2/16B01J23/66B01J37/0221C07C67/055C07C69/01C07C69/15
    • The present invention relates to a method for producing a shell catalyst which comprises a porous shaped catalyst support body with an outer shell in which at least one catalytically active species is present. In order to provide a shell catalyst production method by means of which shell catalysts can be produced, said shell catalysts having, over a comparatively large region of their shell thickness, a substantially uniform concentration of catalytically active species and having a substantially uniform shell thickness, what is proposed is a method using an device which is designed to generate, by means of a process gas, a fluid bed of shaped catalyst support bodies in which the shaped catalyst support bodies circulate elliptically or toroidally, preferably toroidally, comprising the steps of charging the device with shaped catalyst support bodies and generating a shaped catalyst support body fluid bed by means of a process gas, the shaped catalyst support bodies circulating elliptically or toroidally in the fluid bed, preferably toroidally; impregnating an outer shell of the shaped catalyst support body with a catalytically active species or precursor thereof by spraying the shaped catalyst support bodies circulating elliptically or toroidally in the fluid bed with a solution comprising a catalytically active species or a precursor thereof; drying the shaped catalyst support bodies sprayed with the solution.
    • 本发明涉及一种壳催化剂的制备方法,其包括具有至少一种催化活性物质的具有外壳的多孔成形催化剂载体。 为了提供壳催化剂制备方法,通过该方法可以制备壳催化剂,所述壳催化剂在其厚度比较大的较大区域上具有基本上均匀的催化活性物质浓度并具有基本均匀的壳厚度, 提出的是一种使用设备的方法,该装置被设计成通过工艺气体产生成形催化剂载体的流化床,其中成形催化剂载体以椭圆或环形的方式循环,优选环形,其包括以下步骤: 所述装置具有成形的催化剂支撑体并且通过处理气体产生成形的催化剂载体体液床,所述成形催化剂载体在流化床中循环或环状地循环,优选环形; 通过用包含催化活性物质或其前体的溶液在流化床中喷射椭圆形或环形的成形催化剂载体,浸渍具有催化活性物质或其前体的成型催化剂载体的外壳; 干燥用溶液喷涂的成型催化剂载体。