GB1395087A - Process for separating aromatic hydrocarbons - Google Patents
Process for separating aromatic hydrocarbonsInfo
- Publication number
- GB1395087A GB1395087A GB3618072A GB3618072A GB1395087A GB 1395087 A GB1395087 A GB 1395087A GB 3618072 A GB3618072 A GB 3618072A GB 3618072 A GB3618072 A GB 3618072A GB 1395087 A GB1395087 A GB 1395087A
- Authority
- GB
- United Kingdom
- Prior art keywords
- butane
- aromatic hydrocarbons
- aromatic
- pyrrolidonyl
- phase
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
- C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrrole Compounds (AREA)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1395087 Solvent extraction GAP CORP 2 Aug 1972 [16 Aug 1971] 36180/72 Heading C5E [Also in Division C2] Aromatic hydrocarbons are spearated from mixtures of aromatic and non-aromatic hydrocarbons by contacting said mixture with 1,3- bis-(2-pyrrolidonyl)butane to form an aromatic hydrocarbon-rich extract phase and a raffinate phase, separating the former phase and recovering the aromatic hydrocarbon therefrom (e.g. by distillation). It is preferred to use substantially equal amounts by weight of the mixture to be extracted and the 1,3-bis-(2-pyrrolidonyl)butane, the latter preferably being employed in association with 1-10% by weight of water based on the butane extractant. The examples describe the separation of toluene/heptane mixtures.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17219871A | 1971-08-16 | 1971-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1395087A true GB1395087A (en) | 1975-05-21 |
Family
ID=22626735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3618072A Expired GB1395087A (en) | 1971-08-16 | 1972-08-02 | Process for separating aromatic hydrocarbons |
Country Status (5)
Country | Link |
---|---|
US (1) | US3772186A (en) |
JP (2) | JPS4829762A (en) |
CA (1) | CA987692A (en) |
DE (1) | DE2239920A1 (en) |
GB (1) | GB1395087A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52106467U (en) * | 1976-02-09 | 1977-08-13 | ||
JPS5337752U (en) * | 1976-09-07 | 1978-04-03 | ||
JPS5367518A (en) * | 1976-11-26 | 1978-06-16 | Sansaishiya Yuugen | Vertical surface printing method |
JPS55127746U (en) * | 1979-03-06 | 1980-09-09 | ||
JPS55180741U (en) * | 1979-06-14 | 1980-12-25 | ||
JPS5727446U (en) * | 1980-07-21 | 1982-02-13 | ||
DE19641437A1 (en) | 1996-10-08 | 1998-04-09 | Basf Ag | 1,3-bis (N-lactamyl) propanes and their pharmaceutical and cosmetic use |
DE19842914A1 (en) * | 1998-09-18 | 2000-03-23 | Basf Ag | Test system to characterize the compatibility of biologically active substances and polyvinylpyrrolidone |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1152777B (en) * | 1961-08-31 | 1963-08-14 | Basf Ag | Process for the selective extraction of paraffinic and aromatic hydrocarbons containing hydrocarbon mixtures |
-
1971
- 1971-08-16 US US00172198A patent/US3772186A/en not_active Expired - Lifetime
-
1972
- 1972-07-28 CA CA148,223A patent/CA987692A/en not_active Expired
- 1972-08-02 GB GB3618072A patent/GB1395087A/en not_active Expired
- 1972-08-14 DE DE2239920A patent/DE2239920A1/en active Pending
- 1972-08-15 JP JP47081766A patent/JPS4829762A/ja active Pending
-
1978
- 1978-03-22 JP JP3279678A patent/JPS53127421A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CA987692A (en) | 1976-04-20 |
JPS53127421A (en) | 1978-11-07 |
DE2239920A1 (en) | 1973-02-22 |
JPS4829762A (en) | 1973-04-19 |
US3772186A (en) | 1973-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |