Raney nickel catalysts, a method for producing said raney nickel catalysts and the use of the same for hydrogenating organic compounds
    5.
    发明授权
    Raney nickel catalysts, a method for producing said raney nickel catalysts and the use of the same for hydrogenating organic compounds 失效
    阮内镍催化剂,制备所述雷尼镍催化剂的方法及其用于氢化有机化合物

    公开(公告)号:US06395934B1

    公开(公告)日:2002-05-28

    申请号:US09555445

    申请日:2000-07-19

    IPC分类号: C07C20900

    摘要: Raney nickel catalysts obtainable by a process in which the melt of an alloy comprising 50 to 94 wt. % aluminum, 10 to 50 wt. % nickel, 0 to 20 wt. % iron, 0 to 15 wt. % cerium, cerium mixed metal, vanadium, niobium, tantalum, chromium, molybdenum or manganese and, optionally, further glass-forming elements is allowed to solidify rapidly with a cooling rate of >104 K/s and the rapidly solidified alloy is then subjected to a treatment with organic or inorganic bases are described. A process for the preparation of the Raney nickel catalysts mentioned and their use in the hydrogenation of organic compounds, in particular aromatic nitro compounds, are furthermore described.

    摘要翻译: 阮内镍催化剂可以通过一种方法获得,其中合金的熔体包含50-94wt。 %铝,10〜50wt。 %镍,0〜20wt。 %铁,0〜15wt。 %铈,铈混合金属,钒,铌,钽,铬,钼或锰,并且任选地,另外的玻璃形成元件可以以> 104K / s的冷却速度快速固化,然后对快速固化的合金进行 描述了用于制备所述阮内镍催化剂的方法及其在有机化合物,特别是芳族硝基化合物氢化中的用途。