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 distillationInfo
- 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
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)
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 (it) |
DE (1) | DE2263344C2 (it) |
FR (1) | FR2211424B1 (it) |
GB (1) | GB1398219A (it) |
IT (1) | IT1002521B (it) |
Families Citing this family (1)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2834822A (en) * | 1958-05-13 | Toluene | ||
DD47411A (it) * | ||||
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 |
-
1972
- 1972-12-23 DE DE19722263344 patent/DE2263344C2/de not_active Expired
-
1973
- 1973-10-30 FR FR7338609A patent/FR2211424B1/fr not_active Expired
- 1973-12-18 IT IT5438973A patent/IT1002521B/it active
- 1973-12-20 GB GB5925673A patent/GB1398219A/en not_active Expired
- 1973-12-21 BE BE139168A patent/BE808982A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
IT1002521B (it) | 1976-05-20 |
DE2263344A1 (de) | 1974-07-04 |
FR2211424B1 (it) | 1976-06-18 |
DE2263344C2 (de) | 1983-12-01 |
FR2211424A1 (it) | 1974-07-19 |
BE808982A (fr) | 1974-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |