JPS574202A - Operating method for distilling column - Google Patents

Operating method for distilling column

Info

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
Application number
JP7649680A
Other languages
Japanese (ja)
Other versions
JPS6327042B2 (en
Inventor
Tetsuro Yamaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asia Oil Co Ltd
Original Assignee
Asia Oil Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asia Oil Co Ltd filed Critical Asia Oil Co Ltd
Priority to JP7649680A priority Critical patent/JPS574202A/en
Publication of JPS574202A publication Critical patent/JPS574202A/en
Publication of JPS6327042B2 publication Critical patent/JPS6327042B2/ja
Granted legal-status Critical Current

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 The water is withdrawn to the outside of the system by a discharge line 5.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
JP7649680A 1980-06-06 1980-06-06 Operating method for distilling column Granted JPS574202A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54102287A (en) * 1978-01-31 1979-08-11 Mitsubishi Heavy Ind Ltd Distilling method

Patent Citations (1)

* Cited by examiner, † Cited by third party
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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