Title:
軽質ナフサ炭化水素流れの同時処理及び精留のための方法
Document Type and Number:
Japanese Patent JP4642233
Kind Code:
B2
Abstract:
A process is provided for the hydrodesulfurization of naphtha in a distillation column reactor having a stripping section and a rectification section, which process comprises the steps of:(a) feeding a naphtha boiling range hydrocarbon stream containing organic sulfur compounds and hydrogen to a distillation column reactor above said stripping section;(b) concurrently in said distillation column reactor(i) separating said naphtha into a light boiling range naphtha and a heavy boiling range naphtha(ii) contacting the light boiling range naphtha and hydrogen with a hydrodesulfurization catalyst in said rectification section to selectively react the lighter organic sulfur compounds with said hydrogen to form H2S;(c) removing said light boiling range naphtha, H2S and unreacted hydrogen from said distillation column reactor as overheads;(d) removing said heavier boiling range naphtha from said distillation column reactor as bottoms;(e) feeding said unreacted hydrogen from said overheads to a reboiler for recirculation back to said distillation column reactor at a point below said stripping section; and(f) feeding a portion of the effluent from said reboiler to a fixed bed single pass reactor containing a hydrodesulfurization catalyst to react a portion of the heavy organic sulfur compounds with hydrogen to form H2S.
Inventors:
Gill Earl, Guildart
Groten, Willibe Broad A
Putman, Hugh M
Groten, Willibe Broad A
Putman, Hugh M
Application Number:
JP2000569899A
Publication Date:
March 02, 2011
Filing Date:
August 10, 1999
Export Citation:
Assignee:
Catholic Distillation Technologies
International Classes:
B01D3/32; C10G65/16; B01D3/00; B01D3/14; B01J8/04; C10G7/00; C10G35/04; C10G45/02; C10G47/00; C10G49/00; C10G65/02; C10G67/16
Domestic Patent References:
| JP7034073A |
Foreign References:
| US5779883 | ||||
| WO1997008272A1 | ||||
| WO1998012160A1 | ||||
| US3124526 | ||||
| US4243519 |
Attorney, Agent or Firm:
Kazuo Shamoto
Shosuke Imai
Tadashi Masui
Yasushi Kobayashi
Hiroyuki Tomita
Tatsuo Tomizu
Shosuke Imai
Tadashi Masui
Yasushi Kobayashi
Hiroyuki Tomita
Tatsuo Tomizu