GB1302325A - - Google Patents
Info
- Publication number
- GB1302325A GB1302325A GB1615471*[A GB1615471A GB1302325A GB 1302325 A GB1302325 A GB 1302325A GB 1615471 A GB1615471 A GB 1615471A GB 1302325 A GB1302325 A GB 1302325A
- Authority
- GB
- United Kingdom
- Prior art keywords
- benzene
- amount
- extractive distillation
- recovered
- solvent
- 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
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 18
- 239000002904 solvent Substances 0.000 abstract 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 abstract 3
- 238000000895 extractive distillation Methods 0.000 abstract 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 abstract 2
- 150000001491 aromatic compounds Chemical class 0.000 abstract 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 abstract 2
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 abstract 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 229930188620 butyrolactone Natural products 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 abstract 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 abstract 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 abstract 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2026693A DE2026693C3 (de) | 1970-06-01 | 1970-06-01 | Verfahren zur Gewinnung von Rein benzol durch Extraktivdestillation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1302325A true GB1302325A (https=) | 1973-01-10 |
Family
ID=5772650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1615471*[A Expired GB1302325A (https=) | 1970-06-01 | 1971-05-20 |
Country Status (12)
| Country | Link |
|---|---|
| AT (1) | AT308067B (https=) |
| BE (1) | BE767693A (https=) |
| BR (1) | BR7103311D0 (https=) |
| CA (1) | CA947222A (https=) |
| CS (1) | CS181210B2 (https=) |
| DE (1) | DE2026693C3 (https=) |
| DK (1) | DK137231C (https=) |
| FR (1) | FR2095659A5 (https=) |
| GB (1) | GB1302325A (https=) |
| RO (1) | RO63516A (https=) |
| SE (1) | SE362064B (https=) |
| ZA (1) | ZA713030B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751826A (zh) * | 2022-04-21 | 2022-07-15 | 厦门大学 | 一种分离乙酸乙酯和甲基环己烷恒沸物的萃取精馏方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3930992A1 (de) * | 1989-09-16 | 1991-03-28 | Erdoelchemie Gmbh | Verfahren zur abtrennung von aromaten |
| US5458741A (en) * | 1994-01-14 | 1995-10-17 | Lloyd Berg | Separation of benzene from close boiling hydrocarbons by extractive distillation |
-
1970
- 1970-06-01 DE DE2026693A patent/DE2026693C3/de not_active Expired
-
1971
- 1971-04-01 SE SE07063/71*A patent/SE362064B/xx unknown
- 1971-05-04 AT AT384171A patent/AT308067B/de not_active IP Right Cessation
- 1971-05-10 ZA ZA713030A patent/ZA713030B/xx unknown
- 1971-05-20 GB GB1615471*[A patent/GB1302325A/en not_active Expired
- 1971-05-24 CS CS7100003788A patent/CS181210B2/cs unknown
- 1971-05-26 BE BE767693A patent/BE767693A/xx not_active IP Right Cessation
- 1971-05-26 FR FR7119124A patent/FR2095659A5/fr not_active Expired
- 1971-05-28 DK DK263671A patent/DK137231C/da not_active IP Right Cessation
- 1971-05-28 RO RO7100067091A patent/RO63516A/ro unknown
- 1971-05-31 CA CA114572A patent/CA947222A/en not_active Expired
- 1971-05-31 BR BR3311/71A patent/BR7103311D0/pt unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751826A (zh) * | 2022-04-21 | 2022-07-15 | 厦门大学 | 一种分离乙酸乙酯和甲基环己烷恒沸物的萃取精馏方法 |
| CN114751826B (zh) * | 2022-04-21 | 2023-02-28 | 厦门大学 | 一种分离乙酸乙酯和甲基环己烷恒沸物的萃取精馏方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| SU399103A3 (https=) | 1973-09-27 |
| BE767693A (fr) | 1971-10-18 |
| DK137231C (da) | 1978-07-10 |
| DK137231B (da) | 1978-02-06 |
| BR7103311D0 (pt) | 1973-05-03 |
| ZA713030B (en) | 1972-01-26 |
| RO63516A (fr) | 1978-09-15 |
| CA947222A (en) | 1974-05-14 |
| DE2026693C3 (de) | 1973-11-29 |
| FR2095659A5 (https=) | 1972-02-11 |
| DE2026693A1 (de) | 1971-12-23 |
| AT308067B (de) | 1973-06-25 |
| CS181210B2 (en) | 1978-03-31 |
| DE2026693B2 (de) | 1973-05-17 |
| SE362064B (https=) | 1973-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |