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    • 2. 发明申请
    • LUBRICANT BASESTOCK PRODUCTION WITH ENHANCED AROMATIC SATURATION
    • 增强芳香族饱和度润滑剂基础油生产
    • WO2017172576A1
    • 2017-10-05
    • PCT/US2017/024242
    • 2017-03-27
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    • DANDEKAR, Ajit, B.FINGLAND, Bradley, R.FRUCHEY, Kendall, S.WEIGEL, Scott, J.
    • C10G47/18C10G65/12
    • Systems and methods are provided for producing lubricant basestocks having a reduced or minimized aromatics content. A first processing stage can perform an initial amount of hydrotreating and/or hydrocracking. A first separation stage can then be used to remove fuels boiling range (and lower boiling range) compounds. The remaining lubricant boiling range fraction can then be exposed under hydrocracking conditions to a USY catalyst including a supported noble metal, such as Pt and/or Pd. The USY catalyst can have a desirable combination of catalyst properties, such as a unit cell size of 24.30 or less (or 24.24 or less), a silica to alumina ratio of at least 50 (or at least 80), and an alpha value of 20 or less (or 10 or less). In some aspects, the effluent from the second (hydrocracking) stage can be dewaxed without further separation. In such aspects, a portion of the dewaxed effluent can be used as a recycle quench stream to cool the hydrocracking effluent prior to entering the dewaxing reactor.
    • 提供了用于生产具有降低或最小化的芳族化合物含量的润滑剂基础油料的系统和方法。 第一处理阶段可以执行初始量的加氢处理和/或加氢裂化。 然后可以使用第一分离阶段来除去燃料沸程(和较低沸程)的化合物。 然后可以将剩余的润滑剂沸程馏分在加氢裂化条件下暴露于包含负载型贵金属(例如Pt和/或Pd)的USY催化剂。 USY催化剂可以具有催化剂性质的理想组合,例如24.30或更小(或24.24或更小)的单位晶胞尺寸,至少50(或至少80)的二氧化硅与氧化铝之比,以及α值 20或更少(或10或更少)。 在一些方面,来自第二(加氢裂化)阶段的流出物可以脱蜡而无需进一步分离。 在这些方面中,一部分脱蜡的流出物可以用作循环骤冷物流,以在进入脱蜡反应器之前冷却加氢裂化流出物。
    • 7. 发明申请
    • LUBRICANT BASESTOCK PRODUCTION WITH ENHANCED AROMATIC SATURATION
    • 增强芳香族饱和度润滑剂基础油生产
    • WO2018071169A1
    • 2018-04-19
    • PCT/US2017/053401
    • 2017-09-26
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    • CALLA, Jason, T.DANDEKAR, Ajit, B.WEIGEL, Scott, J.LACY, Darryl, D.LAI, Wenyih, F.YOHE, Sara, L.
    • C10G65/08B01J29/03B01J29/04C10G65/12
    • Systems and methods are provided for producing lubricant basestocks using a process flow that includes a conversion catalyst that can provide a desired improvement in viscosity index at a reduced or minimized amount of feed conversion. An initial processing stage can be used to produce a lubricant boiling range fraction with a reduced or minimized heteroatom content. After a separation, at least a portion of the lubricant boiling range portion can be exposed to a conversion catalyst that has an effective pore size of at least 8.0 Angstroms, a total surface area of at least 200 m 2 /g, and/or an Alpha value of 20 or less, where the conversion catalyst includes a supported Group 8 - 10 noble metal. The methods can allow for increased yields of high viscosity index lubricant boiling range products from a process flow for lubricant base stock and/or blend stock production.
    • 提供了使用包括转化催化剂的工艺流程生产润滑剂基础油料的系统和方法,该转化催化剂可以在降低或最小化的原料转化量下提供期望的粘度指数改进。 初始加工阶段可用于产生具有降低或最小化的杂原子含量的润滑剂沸程馏分。 分离后,至少一部分润滑剂沸程部分可以暴露于转化催化剂,该转化催化剂的有效孔径至少为8.0埃,总表面积至少为200m 2 / / g和/或α值为20或更小,其中转化催化剂包含负载的第8-10族贵金属。 该方法可以允许从用于润滑剂基料和/或共混料生产的工艺流程中提高高粘度指数润滑剂沸程产品的收率。