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    • 10. 发明授权
    • Fischer-Tropsch synthesis process with improved regulation
    • 费托合成方法具有改进的调节作用
    • US07776932B2
    • 2010-08-17
    • US11596848
    • 2005-05-17
    • Marie-Claire MarionEric LemajreJean-Marc Schweitzer
    • Marie-Claire MarionEric LemajreJean-Marc Schweitzer
    • C07C27/00
    • C10G2/332C10G2/30
    • A process for the production of liquid hydrocarbons by the Fischer-Tropsch process comprises a step a) for generating a synthesis gas, a step b) for Fischer-Tropsch synthesis, a step c) for condensing the gaseous effluent obtained during step b), a step d) for separating the effluent condensed during step c) to obtain a gaseous effluent enriched in carbon monoxide and hydrogen, and a step e) for recycling at least a portion of the enriched gaseous effluent obtained during step d) to the Fischer-Tropsch synthesis step b), characterized in that: 1) two molar ratio of concentrations, A1 and A2, are determined between the hydrogen and the carbon monoxide (H2/Co), A1 being the value of said ratio in the supply to the synthesis step b), and A2 being the value of said ratio in any one of the gaseous effluents obtained during steps b) to e); 2) comparing ratios A1 and A2; and 3) adjusting the concentrations of hydrogen and/or carbon monoxide in the synthesis gas to keep the difference between the two ratios A1 and A2 substantially constant.
    • 通过费 - 托法生产液体烃的方法包括步骤a)产生合成气,步骤b)用于费 - 托合成,步骤c)用于冷凝步骤b)中获得的气态流出物, 步骤d)用于分离在步骤c)期间浓缩的流出物以获得富含一氧化碳和氢气的气态流出物,以及步骤e),用于将步骤d)中获得的富集气态流出物的至少一部分再循环到费 - 托合成步骤b),其特征在于:1)在氢和一氧化碳(H2 / Co)之间测定两个摩尔比浓度A1和A2,A1是所述合成供应比的值 步骤b),A2是步骤b)至e)中获得的任何一种气体流出物中所述比例的值; 2)比较A1和A2比; 和3)调节合成气中氢和/或一氧化碳的浓度,以保持两个比率A1和A2之间的差异基本上恒定。