JPS574202A - Operating method for distilling column - Google Patents
Operating method for distilling columnInfo
- Publication number
- JPS574202A JPS574202A JP7649680A JP7649680A JPS574202A JP S574202 A JPS574202 A JP S574202A JP 7649680 A JP7649680 A JP 7649680A JP 7649680 A JP7649680 A JP 7649680A JP S574202 A JPS574202 A JP S574202A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- reboiler
- line
- gas
- distilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
PURPOSE: To stably operate a distilling tower provided with a natural circulation reboiler at a less rate of heat supply by supplying a part of column top liquid/ side stream liquid to the liquid inlet part/liquid outlet part of the reboiler.
CONSTITUTION: In a distilling column A for the purpose of controlling the flash point of produce kerosene and light oil in a kerosene and light oil hydrodesulfurizing apparatus, a part of the column top oil consisting of water content and low b. p. components is condensed in a condenser C, after which it is introduced into a receiving tank D, and is subjected to gas-liquid separation. The separated gas is removed through a gas line 4, while the liquid is further separated to water and light hydrocarbon. The water is withdrawn to the outside of the system by a discharge line 5. On the other hand, a part of the light hydrocarbon is fed as reflux liquid to the distilling tower A, and further a part thereof is supplied through a supply line 7 to the liquid inlet part of a reboiler B, and the rest is withdrawn to the outside of the system through a withdrawal line 6.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7649680A JPS574202A (en) | 1980-06-06 | 1980-06-06 | Operating method for distilling column |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7649680A JPS574202A (en) | 1980-06-06 | 1980-06-06 | Operating method for distilling column |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS574202A true JPS574202A (en) | 1982-01-09 |
JPS6327042B2 JPS6327042B2 (en) | 1988-06-01 |
Family
ID=13606823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7649680A Granted JPS574202A (en) | 1980-06-06 | 1980-06-06 | Operating method for distilling column |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS574202A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54102287A (en) * | 1978-01-31 | 1979-08-11 | Mitsubishi Heavy Ind Ltd | Distilling method |
-
1980
- 1980-06-06 JP JP7649680A patent/JPS574202A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54102287A (en) * | 1978-01-31 | 1979-08-11 | Mitsubishi Heavy Ind Ltd | Distilling method |
Also Published As
Publication number | Publication date |
---|---|
JPS6327042B2 (en) | 1988-06-01 |
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