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    • 4. 发明公开
    • PROCESS FOR PREPARING A HIGH PURITY FISCHER-TROPSCH GASOIL FRACTION
    • 制备高纯度费 - 托石油馏分的方法
    • EP3146019A1
    • 2017-03-29
    • EP15724228.0
    • 2015-05-18
    • Shell Internationale Research Maatschappij B.V.
    • MORSINK, Johannes Bernardus WilhelmusRIEMERSMA, RobertTURFBOER, JohannesWIERSMA, Rendert Jan
    • C10G25/00C10G25/03C10G53/08
    • C10G53/08C10G3/00C10G25/00C10G25/03C10G2300/1022Y02P30/20
    • The present invention provides a process for preparing a high purity Fischer-Tropsch gasoil fraction, comprising: a) fractionating a Fischer-Tropsch-derived gasoil feedstock into two or more Fischer-Tropsch gasoil fractions having a different boiling point range, wherein at least one Fischer-Tropsch gasoil fraction is a contaminant-enriched Fischer- Tropsch gasoil fraction, which is enriched in one or more contaminants with respect to the feedstock; b) providing the contaminant-enriched Fischer- Tropsch gasoil fraction to an absorption zone comprising at least one absorbent material and contacting the contaminant-enriched Fischer- Tropsch gasoil fraction with the absorbent material to absorb at least part of contaminant; and c) retrieving from the absorption zone a purified Fischer-Tropsch gasoil fraction as high purity Fischer-Tropsch gasoil fraction, which purified Fischer-Tropsch gasoil fraction is contaminant- depleted with respect to the Fischer-Tropsch-derived gasoil feedstock, and wherein at least part of the contaminants in the contaminant-enriched Fischer Tropsch fraction are formed during the fractionation of step (a). The invention further provides for the use of the purified Fischer-Tropsch gasoil fraction.
    • 本发明提供了制备高纯度费 - 托瓦斯油馏分的方法,其包括:a)将费 - 托衍生的瓦斯油原料分馏成具有不同沸点范围的两种或更多费 - 托瓦斯油馏分,其中至少一种 费 - 托瓦斯油馏分是一种富含污染物的费 - 托瓦斯油馏分,其相对于原料富含一种或多种污染物; b)将富含污染物的费托气体馏分提供给包含至少一种吸收性材料的吸收区,并使富含污染物的费 - 托瓦斯油馏分与吸收性材料接触以吸收至少部分污染物; 和c)从吸收区中回收作为高纯度费 - 托瓦斯油馏分的纯化费 - 托瓦斯油馏分,该纯化费 - 托瓦斯油馏分相对于费 - 托衍生的瓦斯油原料被污染物耗尽,并且其中在 在步骤(a)的分馏过程中形成污染物富集费 - 托部分中的污染物的至少一部分。