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    • 9. 发明申请
    • IMPROVED PRODUCTION OF HEAVY API GROUP II BASE OIL
    • 改进生产重型API Group II基础油
    • WO2017044210A1
    • 2017-03-16
    • PCT/US2016/045513
    • 2016-08-04
    • CHEVRON U.S.A. INC.
    • LEI, Guan-DaoBHATTACHARYA, SubhasisBRAIT, Axel
    • C10G53/06C10G67/04C10G73/06
    • C10G67/16C10G53/06C10G67/00C10G67/0409C10G67/0418C10G67/0445C10G73/06C10G2300/1096C10G2400/08C10M101/00C10M177/00
    • A process for heavy base oil production, comprising: a. performing an aromatic extraction of a first hydrocarbon feed to produce an aromatic extract, and a waxy raffinate; b. mixing the aromatic extract with a second hydrocarbon feed to make a mixed feed having greater than 2,000 wt ppm sulfur; c. feeding the mixed feed to a hydroprocessing unit to produce a heavy API Group II base oil having a kinematic viscosity at 70 C from 22.6 to 100 mm2/s. An integrated refinery process unit for making heavy base oils, comprising: a. an aromatic extraction unit fluidly connected to a solvent dewaxing unit and a hydroprocessing unit; b. a first line from the aromatic extraction unit, that feeds an aromatic extract to a second hydrocarbon feed to make a mixed feed having greater than 2,000 wt ppm sulfur; and c. a connection that feeds the mixed feed to the hydroprocessing unit.
    • 一种重质基油生产方法,包括:a。 执行第一烃进料的芳族萃取以产生芳族萃取物,和蜡状提余液; 湾 将芳族提取物与第二烃进料混合以制备具有大于2,000重量ppm硫的混合进料; C。 将混合的原料进料到加氢处理装置以产生重的API II组基础油,其运动粘度在70℃为22.6至100mm 2 / s。 一种用于制造重质基础油的综合炼油工艺装置,包括:a。 芳烃提取单元,其流体连接到溶剂脱蜡单元和加氢处理单元; 湾 来自芳族萃取单元的第一行,其将芳族萃取物进料到第二烃进料以制备具有大于2,000重量ppm硫的混合进料; 和c。 将混合进料送入加氢处理装置的连接。