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    • 2. 发明授权
    • Petroleum fuel base
    • 石油燃料基地
    • US5718820A
    • 1998-02-17
    • US638964
    • 1996-04-25
    • Frederic MorelMarc BouletMassimo ZulianiJean Claude CompanyPaul MikitenkoRoben Loutaty
    • Frederic MorelMarc BouletMassimo ZulianiJean Claude CompanyPaul MikitenkoRoben Loutaty
    • C10L1/08C10G67/00C10G67/04C10G67/14C10L10/12C10G65/12
    • C10L1/08C10G67/00C10G67/04
    • A fuel for internal combustion engines having an improved cetane index and lower sulfur content is obtained from a hydrocarbon charge, by a process comprising a step (a) for distillation (D1) in which a bottom product (Q1) is obtained via a line 3 and in which a top product (T1) is obtained via a line 2, a step (b) of liquid/liquid extraction (LE) using a solvent (S1) to obtain a raffinate (R1), (line 5) an extract from which product (Q1) is obtained (line 6), a step c) separating (D2) the raffinate (R1) enabling a product (Q2) to be obtained via line 7, which product has a low solvent (S1) content, and a step (d) of hydrotreatment (HDS) in which the mixture of the products (T1) and (Q2) are subjected to hydrotreatment with a hydrogen partial pressure of less than 10 megapascals, to obtain a product (P) (line 9) which has improved qualities and which contains less than 500 ppm by weight sulphur. According to one particular embodiment, the extract (E1) (line 6) is distilled in order to obtain, via line 11, a bottom product (Q3) which is then conveyed to a hydrotreatment zone in such a way that a product (P') is obtained via a line 12 which contains less than 0.3% by weight sulphur.
    • 具有改进的十六烷指数和较低硫含量的内燃机的燃料由烃装料通过包括通过蒸馏的步骤(a)(D1)的方法获得,其中通过管线3获得底部产物(Q1) 其中通过管线2获得顶部产品(T1),使用溶剂(S1)获得液体/液体提取步骤(b)以获得萃余液(R1),(第5行)来自 获得产物(Q1)(第6行),步骤c)分离(D2)残留物(R1),使产物(Q2)能够通过线7获得,该产物具有低溶剂(S1)含量,以及 将产物(T1)和(Q2)的混合物在小于10兆帕的氢分压下进行加氢处理的加氢处理(HDS)步骤(d)得到产物(P)(第9行) 其具有改进的质量并且含有少于500重量ppm的硫。 根据一个具体实施方案,蒸馏提取物(E1)(管线6),以通过管线11获得底部产物(Q3),然后将其输送到加氢处理区域,使得产物(P' )通过含有小于0.3重量%硫的管线12获得。