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    • 121. 发明授权
    • Metal utilization in supported, metal-containing catalysts
    • 负载金属催化剂中的金属利用
    • US09163041B2
    • 2015-10-20
    • US13557700
    • 2012-07-25
    • Kam-To Wan
    • Kam-To Wan
    • B01J23/75B01J23/745B01J21/18C07F9/38B01J23/70B01J23/42B01J23/74
    • C07F9/3813B01J21/18B01J23/42B01J23/626B01J23/70B01J23/74B01J23/745B01J23/75B01J23/8906B01J23/8913B01J23/8926
    • Generally, the present invention relates to improvements in metal utilization in supported, metal-containing catalysts. For example, the present invention relates to methods for directing and/or controlling metal deposition onto surfaces of porous substrates. The present invention also relates to methods for preparing catalysts in which a first metal is deposited onto a support (e.g., a porous carbon support) to provide one or more regions of a first metal at the surface of the support, and a second metal is deposited at the surface of the one or more regions of the first metal. The invention further relates to use of catalysts prepared as detailed herein in catalytic oxidation reactions, such as oxidation of a substrate selected from the group consisting of N-(phosphonomethyl)iminodiacetic acid or a salt thereof, formaldehyde, and/or formic acid.
    • 通常,本发明涉及负载的含金属催化剂中金属利用的改进。 例如,本发明涉及用于引导和/或控制金属沉积到多孔基底表面上的方法。 本发明还涉及制备催化剂的方法,其中第一金属沉积在载体(例如,多孔碳载体)上以在载体的表面提供一个或多个第一金属的区域,第二金属是 沉积在第一金属的一个或多个区域的表面上。 本发明还涉及在催化氧化反应中如本文详述制备的催化剂的用途,例如氧化选自N-(膦酰基甲基)亚氨基二乙酸或其盐,甲醛和/或甲酸的底物。