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.
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机译：阮内镍催化剂可通过以下方法获得：其中包含50至94 wt。铝百分比，10至50 wt。镍百分比，0至20 wt。铁百分比，0至15 wt。铈，铈混合金属，钒，铌，钽，铬，钼或锰的百分比，以及可选地，使其他玻璃形成元素以> 104 K / s的冷却速率快速凝固，然后对快速凝固的合金进行处理还描述了用有机或无机碱处理的方法。还描述了所述阮内镍催化剂的制备方法及其在有机化合物，特别是芳族硝基化合物的氢化中的用途。
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