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    • 14. 发明授权
    • Process for improving aromatic and naphtheno-aromatic gas oil fractions
    • 用于改进芳族和环烷 - 芳烃瓦斯油馏分的方法
    • US07381321B2
    • 2008-06-03
    • US10367965
    • 2003-02-19
    • Eric BenazziPatrick BourgesChristophe GueretPierre Marion
    • Eric BenazziPatrick BourgesChristophe GueretPierre Marion
    • C10G65/12
    • C10G65/12
    • Process for transforming a gas-oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content, cetane number, boiling point, T95, of 95% of the compounds and density, d15/4, at 15° C. This process comprises a hydrorefining stage and a hydrocracking stage, whereby the latter uses a catalyst that contains at least one zeolite. The conversion of products that have a boiling point of less than 150° C. is, throughout the two stages of hydrocracking and hydrorefining, less than 40% by weight and, for the hydrorefining stage, between 1 and 15% by weight. The temperature, TR2, of the hydrocracking stage is less than the temperature, TR1, of the hydrorefining stage, and the variation between temperatures TR1 and TR2 is between 0 and 80° C.
    • 用于转化瓦斯油馏分的方法,其使得可以生产具有根据硫含量,芳香族化合物含量,十六烷值,沸点,T95的严格要求的质量为95%的化合物和密度的燃料 ,d15 / 4,在15℃。该方法包括加氢精制阶段和加氢裂化阶段,由此后者使用含有至少一种沸石的催化剂。 在加氢裂化和加氢精制两个阶段,沸点低于150℃的产物的转化率小于40重量%,加氢精制阶段为1至15重量%。 加氢裂化阶段的温度TR2小于加氢精制阶段的温度TR1,温度TR1和TR2之间的变化在0和80℃之间。