Invention Grant
US08236172B2 Process to hydrodesulfurize FCC gasoline resulting in a low-mercaptan product
有权
加氢脱硫FCC汽油产生低硫醇产物的方法
- Patent Title: Process to hydrodesulfurize FCC gasoline resulting in a low-mercaptan product
- Patent Title (中): 加氢脱硫FCC汽油产生低硫醇产物的方法
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Application No.: US13237400Application Date: 2011-09-20
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Publication No.: US08236172B2Publication Date: 2012-08-07
- Inventor: Gary G. Podrebarac , Raymond Chafin
- Applicant: Gary G. Podrebarac , Raymond Chafin
- Applicant Address: US TX Pasadena
- Assignee: Catalytic Distillation Technologies
- Current Assignee: Catalytic Distillation Technologies
- Current Assignee Address: US TX Pasadena
- Agency: Osha • Liang LLP
- Main IPC: C10G45/02
- IPC: C10G45/02
Abstract:
A process for reducing the sulfur content of a hydrocarbon stream, including: feeding hydrogen and a hydrocarbon stream including sulfur compounds to a catalytic distillation reactor having one or more hydrodesulfurization reaction zones; concurrently in the catalytic distillation reactor: fractionating the hydrocarbon stream into a heavy fraction and a light fraction; contacting hydrogen and the light fraction to form H2S and a light fraction of reduced sulfur content; recovering the light fraction, H2S, and hydrogen as an overheads; recovering the heavy fraction; heating the overheads to a temperature from 500 to 700° F.; feeding the heated overheads and hydrogen to a high temperature low pressure reactor to form H2S and a reactor effluent of reduced mercaptan content; separating the reactor effluent, H2S, and unreacted hydrogen to form a light hydrocarbon fraction and a fraction including H2S and hydrogen; recycling a portion of the light hydrocarbon fraction to the catalytic distillation reactor.
Public/Granted literature
- US20120043260A1 PROCESS TO HYDRODESULFURIZE FCC GASOLINE RESULTING IN A LOW-MERCAPTAN PRODUCT Public/Granted day:2012-02-23
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