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1. 发明授权

US5580442A Method for producing feedstocks of high quality lube base oil from unconverted oil of fuels hydrocracker operating in recycle mode 失效
标题翻译：从循环模式运行的燃料加氢裂化器的未转化油生产高质量润滑油基础油原料的方法
公开(公告)号：US5580442A
公开(公告)日：1996-12-03
申请号：US242758
申请日：1994-05-13
申请人： Sook-hyung Kwon , Wha-sik Min , Yun-kil Lee
发明人： Sook-hyung Kwon , Wha-sik Min , Yun-kil Lee
IPC分类号： C10G7/06 , C10G7/00 , C10G45/00 , C10G45/04 , C10G47/02 , C10G65/12 , C10G69/02 , C10G69/10
CPC分类号： C10G65/12
摘要： A process is disclosed for producing feedstocks for manufacturing high quality lube base oil utilizing unconverted oil, which is produced from a fuels hydrocracker unit. The first step of the process is the distillation of an atmospheric residue under vacuum in a first vacuum distillation unit to produce a vacuum gas oil. The vacuum gas oil is then hydrotreated in a first reaction unit to remove impurities and produce a treated vacuum gas oil. The treated vacuum gas oil is then subjected to hydrocracking in a second reaction unit to yield light hydrocarbons. The light hydrocarbons are then subjected to a series of fractional distillations to separate light oil products and an unconverted oil. All or a fraction of the unconverted oil is fed to a second vacuum distillation unit to produce feedstocks of high quality lube base oil and a remaining portion. The remaining portion and, optionally, a fraction of the unconverted oil is recycled from the second vacuum distillation unit to the second reaction unit.
摘要翻译：公开了一种用于生产用于制造高质量润滑油基础油的原料的方法，其利用由燃料加氢裂化器单元生产的未转化油。该方法的第一步是在真空中在第一真空蒸馏装置中蒸馏大气残留物以产生真空瓦斯油。然后将减压瓦斯油在第一反应单元中加氢处理以除去杂质并产生经处理的真空瓦斯油。然后将经处理的减压瓦斯油在第二反应单元中进行加氢裂化以产生轻质烃。然后轻质烃经受一系列分馏，以分离轻油产物和未转化的油。将未转化的油的全部或一部分进料至第二真空蒸馏装置以产生高质量润滑油基础油和剩余部分的原料。剩余部分和任选的未转化油的一部分从第二减压蒸馏单元再循环到第二反应单元。

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