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    • 6. 发明申请
    • PROCESS FOR PREPARING A FISCHER-TROPSCH CATALYST
    • 制备FISCHER-TROPSCH催化剂的方法
    • WO2014064563A1
    • 2014-05-01
    • PCT/IB2013/059167
    • 2013-10-07
    • SASOL TECHNOLOGY (PROPRIETARY) LIMITED
    • VAN RENSBURG, Hendrik
    • B01J37/08B01J37/00B01J37/18B01J23/75B01J23/89C07C1/04C10G2/00
    • B01J23/8913B01J23/75B01J37/00B01J37/08B01J37/18C10G2/332C10G2/333
    • A process for preparing a cobalt-containing hydrocarbon synthesis catalyst includes, in a carbide formation step, treating an initial catalyst precursor comprising a catalyst support supporting cobalt and/or a cobalt compound, with a CO containing gas at a temperature T. T is from 200°C to 280°C. The cobalt or cobalt compound is converted to cobalt carbide thereby obtaining a cobalt carbide containing catalyst precursor. The CO containing gas (when it contains H 2 ) does not have a CO to H 2 molar ratio equal to or less than 33:1. The carbide formation step is carried out under non-oxidative conditions. In a subsequent activation step, the cobalt carbide containing catalyst precursor is subjected to treatment with a hydrogen containing gas at a temperature T 2. T 2 is at least 300°C. The cobalt carbide is converted to cobalt metal thereby activating the cobalt carbide containing catalyst precursor and obtaining a cobalt-containing hydrocarbon synthesis catalyst.
    • 制备含钴烃合成催化剂的方法包括在碳化物形成步骤中,在温度T T下用含CO的气体处理包含负载钴和/或钴化合物的催化剂载体的初始催化剂前体来自 200℃至280℃。 将钴或钴化合物转化为碳化钴,从而得到含有碳化钴的催化剂前体。 含CO的气体(当含有H 2时)的CO / H 2摩尔比不等于或小于33:1。 碳化物形成步骤在非氧化条件下进行。 在随后的活化步骤中,将含碳酸钴的催化剂前体在温度T 2下用含氢气体进行处理.T 2至少为300℃。 将钴碳化物转化为钴金属,由此活化含钴碳化物的催化剂前体并获得含钴烃合成催化剂。