Invention Grant
- Patent Title: Production of low sulfur distillates
- Patent Title (中): 生产低硫馏分
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Application No.: US09553107Application Date: 2000-04-20
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Publication No.: US07435335B1Publication Date: 2008-10-14
- Inventor: Edward S. Ellis , William E. Lewis , Larry L. Iaccino , Michele S. Touvelle , Gordon F. Stuntz
- Applicant: Edward S. Ellis , William E. Lewis , Larry L. Iaccino , Michele S. Touvelle , Gordon F. Stuntz
- Applicant Address: US NJ Annandale
- Assignee: ExxonMobil Research and Engineering Company
- Current Assignee: ExxonMobil Research and Engineering Company
- Current Assignee Address: US NJ Annandale
- Agent Gerard J. Hughes; Lawrence E. Carter
- Main IPC: C10G45/00
- IPC: C10G45/00 ; C10G45/44

Abstract:
A process for hydroprocessing a distillate stream to produce a stream exceptionally low in sulfur, with total aromatics and polynuclear aromatics being moderately reduced. A distillate stream is hydrodesulfurized in a first hydrodesulfurization stage. The product stream thereof is passed to a first separation stage wherein a vapor phase product stream and a liquid product stream are produced. The liquid phase product stream is passed to a second hydrodesulfurization stage and the product stream thereof is passed to a second separation stage wherein a vapor phase product stream and a liquid product stream low in sulfur are produced. At least a portion of the vapor product stream from said second separation stage can be cascaded to the first hydrodesulfurization stage.
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