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    • 6. 发明申请
    • PRODUCTION OF UPGRADED EXTRACT AND RAFFINATE
    • 升级提取物和RAFFINATE的生产
    • WO2017205200A1
    • 2017-11-30
    • PCT/US2017/033505
    • 2017-05-19
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    • UMANSKY, Benjamin, S.ALDOUS, Keith, K.GLEESON, James, W.BLOK, Edward, J.DEMMIN, Richard, A.
    • C10G67/04
    • Systems and methods are provided for producing upgraded raffinate and extract products from lubricant boiling range feeds and/or other feeds having a boiling range of 400°F (204°C) to 1500°F (816°C) or more. The upgraded raffinate and/or extract products can have a reduced or minimized concentration of sulfur, nitrogen, metals, or a combination thereof. The reduced or minimized concentration of sulfur, nitrogen, and/or metals can be achieved by hydrotreating a suitable feed under hydrotreatment conditions corresponding to relatively low levels of feed conversion. Optionally, the feed can also dewaxed, such as by catalytic dewaxing or by solvent dewaxing. Because excessive aromatic saturation is not desired, the pressure for hydrotreatment (and optional dewaxing) can be 500 psig (∼3.4 MPa) to 1200 psig (∼8.2 MPa).
    • 提供了系统和方法,用于从沸程为400°F(204℃)至1500°F(816℃)的润滑剂沸程进料和/或其它进料生产提质提余液和提取产物。 C)或更多。 升级后的残液和/或提取物产品可具有降低的或最小化的硫,氮,金属或其组合的浓度。 硫,氮和/或金属的浓度降低或最小化可以通过在对应于相对低水平的进料转化的加氢处理条件下加氢处理合适的进料来实现。 任选地,进料也可以脱蜡,例如通过催化脱蜡或通过溶剂脱蜡。 因为不需要过度的芳族饱和度,加氢处理(和任选的脱蜡)的压力可以是500psig(〜3.4MPa)至1200psig(〜8.2MPa)。