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    • 7. 发明公开
    • Process to prepare a paraffin wax
    • 制备石蜡的方法
    • EP3040403A1
    • 2016-07-06
    • EP14200720.2
    • 2014-12-31
    • Shell Internationale Research Maatschappij B.V.
    • Toledano, HélèneHoek, Arend
    • C10G45/02C10G65/04C10G73/36C10G73/44C10G2/00C08L91/08
    • C10G45/02C08L91/08C10G2/32C10G65/04C10G73/36C10G73/44C10G2300/1022
    • The present invention provides a process to prepare paraffins and waxes, the process at least comprising the following steps:
      (a) providing a Fischer-Tropsch product stream comprising paraffins having from 10 to 300 carbon atoms;
      (b) separating the Fischer-Tropsch product stream of step (a), thereby obtaining at least a fraction comprising 10 to 17 carbon atoms and a fraction comprising 18 to 300 carbon atoms;
      (c) subjecting the fraction comprising 10 to 17 carbon atoms of step (b) to a hydrogenation step, thereby obtaining hydrogenated paraffins comprising 10 to 17 carbon atoms;
      (d) subjecting the fraction comprising 18 to 300 carbon atoms of step (b) to a hydrogenation step, thereby obtaining a hydrogenated fraction comprising 18 to 300 carbon atoms;
      (e) separating the hydrogenated fraction comprising 18 to 300 carbon atoms of step (d), thereby obtaining one or more first light waxes having a congealing point in the range of 30 to 75°C and a second heavy wax having a congealing point in the range of 75 to 120°C;
      f) hydrofinishing one or more wax fractions having a congealing point in the range of 30 to 75°C of step (e) thereby obtaining one or more hydrofinished wax fractions having a congealing point in the range of 30 to 75°C.
    • 本发明提供了制备石蜡和蜡的方法,所述方法至少包括以下步骤:(a)提供包含具有10-300个碳原子的石蜡的费 - 托产品物流; (b)分离步骤(a)的费 - 托产物流,由此获得至少一个包含10至17个碳原子的部分和包含18至300个碳原子的部分; (c)将步骤(b)的包含10-17个碳原子的馏分进行氢化步骤,从而获得包含10-17个碳原子的氢化链烷烃; (d)将步骤(b)的包含18至300个碳原子的馏分进行氢化步骤,从而获得包含18至300个碳原子的氢化馏分; (e)分离步骤(d)中包含18至300个碳原子的氢化馏分,从而获得一种或多种凝固点在30至75℃范围内的第一轻质蜡和凝固点为 75至120°C的范围; f)加热精制步骤(e)的凝固点在30-75℃范围内的一种或多种蜡馏分,从而获得凝固点在30-75℃范围内的一种或多种加氢蜡馏分。