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    • 9. 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。