发明名称 |
Pressure cascaded two-stage hydrocracking unit |
摘要 |
An apparatus for hydrocracking an oil feedstock to produce a light oil stream without build-up of heavy polynuclear aromatic (HPNA) hydrocarbons in the recycle stream is provided. The apparatus includes a reactor for hydroprocessing the hydrocarbon feedstock to produce effluents, which are subsequently fractionated. Additional hydroprocessing reactors are provided for hydroprocessing individual fractionated product streams. |
申请公布号 |
US9394493(B2) |
申请公布日期 |
2016.07.19 |
申请号 |
US201213415187 |
申请日期 |
2012.03.08 |
申请人 |
Saudi Arabian Oil Company |
发明人 |
Koseoglu Omer Refa |
分类号 |
C10G65/10;C10G45/08;C10G47/16;C10G65/12;B01J23/888;B01J29/076 |
主分类号 |
C10G65/10 |
代理机构 |
Abelman, Frayne & Schwab |
代理人 |
Abelman, Frayne & Schwab |
主权项 |
1. An apparatus for catalytically cracking an oil feedstock comprising:
a first hydroprocessing reactor including an inlet and an outlet and containing catalysts having hydrotreating and hydrocracking functions; a fractionator having an inlet in fluid communication with the outlet of the first reactor, the fractionator including an overhead outlet, a middle outlet and a bottom outlet; a second hydroprocessing reactor including an inlet in fluid communication with the middle outlet of the fractionator and an outlet in fluid communication with the inlet of the fractionator and/or the inlet of the first hydroprocessing reactor, the second hydroprocessing reactor containing catalysts having a first average pore size; and a third hydroprocessing reactor including an inlet in fluid communication with the bottom outlet of the fractionator and an outlet in fluid communication with the inlet of the fractionator and/or the inlet of the first hydroprocessing reactor, the third hydroprocessing reactor containing catalysts having a second average pore size, the second average pore size being larger than the first average pore size. |
地址 |
Dhahran SA |