GB1398219A - Method of recovering pure aromatics from mixtures of hydro carbons containing aromatics by extractive distillation - Google Patents

Method of recovering pure aromatics from mixtures of hydro carbons containing aromatics by extractive distillation

Info

Publication number
GB1398219A
GB1398219A GB5925673A GB5925673A GB1398219A GB 1398219 A GB1398219 A GB 1398219A GB 5925673 A GB5925673 A GB 5925673A GB 5925673 A GB5925673 A GB 5925673A GB 1398219 A GB1398219 A GB 1398219A
Authority
GB
United Kingdom
Prior art keywords
stream
column
aromatics
atm
abs
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.)
Expired
Application number
GB5925673A
Other languages
English (en)
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of GB1398219A publication Critical patent/GB1398219A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/40—Extractive distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
GB5925673A 1972-12-23 1973-12-20 Method of recovering pure aromatics from mixtures of hydro carbons containing aromatics by extractive distillation Expired GB1398219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722263344 DE2263344C2 (de) 1972-12-23 1972-12-23 Verfahren zur Gewinnung von reinen Aromaten aus Kohlenwasserstoffgemischen durch Extraktivdestillation

Publications (1)

Publication Number Publication Date
GB1398219A true GB1398219A (en) 1975-06-18

Family

ID=5865418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5925673A Expired GB1398219A (en) 1972-12-23 1973-12-20 Method of recovering pure aromatics from mixtures of hydro carbons containing aromatics by extractive distillation

Country Status (5)

Country Link
BE (1) BE808982A (fi)
DE (1) DE2263344C2 (fi)
FR (1) FR2211424B1 (fi)
GB (1) GB1398219A (fi)
IT (1) IT1002521B (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4109632A1 (de) * 1991-03-23 1992-09-24 Krupp Koppers Gmbh Verfahren zur abtrennung von aromaten durch extraktivdestillation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD47411A (fi) *
US2834822A (en) * 1958-05-13 Toluene
DE1543119A1 (de) * 1965-06-25 1969-09-11 Koppers Gmbh Heinrich Verfahren zur Abtrennung reiner Aromaten aus Gemischen,die sowohl Benzol als auch Toluol und Xylole sowie Nichtaromaten enthalten,mit Hilfe der Extraktivdestillation
DE2122770C3 (de) * 1971-05-07 1984-01-26 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Gewinnung reiner aromatischer Kohlenwasserstoffe aus ihren Gemischen mit nichtaromatischen Kohlenwasserstoffen

Also Published As

Publication number Publication date
IT1002521B (it) 1976-05-20
BE808982A (fr) 1974-06-21
FR2211424B1 (fi) 1976-06-18
DE2263344C2 (de) 1983-12-01
FR2211424A1 (fi) 1974-07-19
DE2263344A1 (de) 1974-07-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee