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    • 2. 发明申请
    • RAFFINATE HYDROCONVERSION FOR PRODUCTION OF HIGH PERFORMANCE BASE STOCKS
    • 用于生产高性能基础原料的RAFFINATE HYDROCONVERSION
    • WO2018026462A1
    • 2018-02-08
    • PCT/US2017/041079
    • 2017-07-07
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    • CALLA, Jason T.FISHER Jr., Will G.JOSECK, Eric D.FORTNEY, Seth D.
    • C10G67/04
    • Systems and methods are provided for production of base stocks with a viscosity index of at least 120 and/or a sulfur content of 300 wppm or less and/or a kinematic viscosity at 100°C of 3.0 cSt to 8.0 cSt by hydroconversion of a raffinate from aromatic extraction of a feed. The base stocks can further have a reduced content of 3+ ring naphthenes, such as 4.0 wt% or less, or 1.0 wt% or less. The base stocks can be produced by performing an elevated amount of feed conversion relative to 370°C during hydroconversion of the raffinate, and optionally additional conversion during catalytic dewaxing of the hydroconverted raffinate. The base stocks can optionally be blended with additional base stocks and/or lubricant additives for production of lubricant compositions.
    • 提供了用于生产粘度指数为至少120和/或硫含量为300wppm或更低和/或在100℃下的运动粘度为3.0cSt的基础油料的系统和方法 通过加氢转化来自芳香族提取物的提余液至8.0cSt。 基础油可以进一步具有降低的3+环环烷烃的含量,例如4.0重量%或更少,或1.0重量%或更少。 可以通过在提余液加氢转化过程中相对于370℃进行升高的进料转化量以及任选地在加氢转化的提余液的催化脱蜡过程中进行额外的转化来生产基础油料。 基础油料可以任选与另外的基础油料和/或润滑剂添加剂混合用于生产润滑剂组合物。
    • 7. 发明公开
    • PRODUCTION OF LUBRICANT BASE STOCKS WITH CONTROLLED AROMATIC CONTENTS
    • 有控制芳烃含量的润滑油基础油的生产
    • EP3221428A1
    • 2017-09-27
    • EP15802271.5
    • 2015-11-13
    • ExxonMobil Research and Engineering Company
    • LYON, Kristen S.JOSECK, Eric D.SCHLEICHER, Gary P.DOUGHERTY, Richard C.HORTON, Angela
    • C10G45/02C10G45/58C10G47/00C10G65/04C10G65/12C10G67/04
    • C10G69/02C10G45/02C10G45/58C10G47/00C10G65/04C10G65/12C10G67/04C10G2400/10C10M101/00C10M101/02C10M2203/1006C10M2203/1045C10M2205/223C10N2220/022C10N2230/43
    • Methods are provided for producing Group II and Group III base stocks with a controlled or consistent aromatics content. An aromatics-rich base stock, such as a Group I base stock or an alkylated aromatic base stock, can be added to the catalytically treated base stock in a minimal amount after the final catalytic treatment step but prior to fractionation. At the beginning of a processing run for forming lubricant base stock products, about 0.25 wt % to about 1.25 wt % of the Group I base stock can be added to a catalytically processed feed after the final catalytic processing stage but prior to fractionation to form the Group II and/or Group III base stock. During the course of the processing run, the amount of Group I base stock added can be reduced roughly in correspondence with the increase in aromatics caused by catalyst deactivation. This can allow a catalytically processed lubricant base stock product to be generated that contains at least about a threshold (minimum) aromatics content during the course of a processing run. Alternatively, this can allow a catalytically processed lubricant base stock product to be generated that has consistent aromatics content during the course of the processing run.
    • 提供了用于生产具有受控或一致芳烃含量的II类和III类基础油料的方法。 在最终催化处理步骤之后但在分馏之前,可以以最小量将富含芳族化合物的基础油料(例如第I组基础油料或烷基化芳族基础油料)加入催化处理的基础油料中。 在形成润滑剂基础油产品的加工过程开始时,可​​以在最终催化加工阶段之后但在分馏之前将约0.25wt% - 约1.25wt%的I类基础油料加入催化加工的加料中以形成 第II组和/或第III组基础原料。 在加工过程中,添加的I类基础原料的量可以大致减少,与由催化剂失活导致的芳烃增加相对应。 这可以允许催化加工的润滑剂基础油产品在加工过程中产生至少包含大约阈值(最小)的芳烃含量。 或者,这可以允许催化加工的润滑剂基础油产品在加工过程中产生具有一致的芳族化合物含量。