JPH0245672B2 - - Google Patents
Info
- Publication number
- JPH0245672B2 JPH0245672B2 JP57078499A JP7849982A JPH0245672B2 JP H0245672 B2 JPH0245672 B2 JP H0245672B2 JP 57078499 A JP57078499 A JP 57078499A JP 7849982 A JP7849982 A JP 7849982A JP H0245672 B2 JPH0245672 B2 JP H0245672B2
- Authority
- JP
- Japan
- Prior art keywords
- solvent
- thin film
- selective solvent
- film evaporation
- evaporation zone
- 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 - Lifetime
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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3119540.7 | 1981-05-16 | ||
| DE19813119540 DE3119540A1 (de) | 1981-05-16 | 1981-05-16 | Verfahren zur gewinnung eines konjugierten diolefinsaus einem c(pfeil abwaerts)4(pfeil abwaerts)- oder c(pfeil abwaerts)5(pfeil abwaerts)-kohlenwasserstoffgemisch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5832685A JPS5832685A (ja) | 1983-02-25 |
| JPH0245672B2 true JPH0245672B2 (enExample) | 1990-10-11 |
Family
ID=6132492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57078499A Granted JPS5832685A (ja) | 1981-05-16 | 1982-05-12 | C↓4‐又はc↓5‐酸化水素混合物から共役ジオレフインを収得する方法 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0065194B1 (enExample) |
| JP (1) | JPS5832685A (enExample) |
| AT (1) | ATE9683T1 (enExample) |
| CA (1) | CA1182774A (enExample) |
| DE (2) | DE3119540A1 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH067780Y2 (ja) * | 1984-11-20 | 1994-03-02 | 徳山曹達株式会社 | 液体混合物の分離装置 |
| DE3710434A1 (de) * | 1987-03-28 | 1988-10-06 | Basf Ag | Verfahren zur gewinnung von 1,3-butadien |
| DE4131938A1 (de) * | 1991-09-25 | 1993-04-01 | Krupp Koppers Gmbh | Verfahren zur aufarbeitung des sumpfproduktes einer extraktivdestillation zur gewinnung reiner kohlenwasserstoffe |
| US6395953B1 (en) | 1997-03-11 | 2002-05-28 | Nippon Zeon Co., Ltd. | Process for preparing purified conjugated diene |
| KR100783342B1 (ko) * | 2001-09-28 | 2007-12-07 | 제온 코포레이션 | 공액 디엔의 분리/정제 방법 및 분리/정제 장치 |
| US7348466B2 (en) * | 2005-04-13 | 2008-03-25 | Equistar Chemicals, Lp | Solvent extraction |
| ITTV20130045A1 (it) | 2013-04-09 | 2014-10-10 | Northwave Srl | Dispositivo di serraggio |
| PL248159B1 (pl) * | 2023-06-12 | 2025-10-27 | Siec Badawcza Lukasiewicz Inst Chemii Przemyslowej Imienia Profesora Ignacego Moscickiego | Sposób regeneracji rozpuszczalnika stosowanego w destylacji ekstrakcyjnej mieszanin węglowodorów nienasyconych C4 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3000794A (en) * | 1958-05-19 | 1961-09-19 | Petro Tex Chem Corp | Extractive distillation of vinyl acetylene in the purification of butadiene |
| DE1443987A1 (de) * | 1962-05-08 | 1969-03-20 | Harpener Bergbau Ag | Extraktiv-Destillation |
| JPS5329153B2 (enExample) * | 1974-03-29 | 1978-08-18 |
-
1981
- 1981-05-16 DE DE19813119540 patent/DE3119540A1/de not_active Withdrawn
-
1982
- 1982-05-05 AT AT82103839T patent/ATE9683T1/de not_active IP Right Cessation
- 1982-05-05 EP EP82103839A patent/EP0065194B1/de not_active Expired
- 1982-05-05 DE DE8282103839T patent/DE3260874D1/de not_active Expired
- 1982-05-05 CA CA000402343A patent/CA1182774A/en not_active Expired
- 1982-05-12 JP JP57078499A patent/JPS5832685A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0065194A1 (de) | 1982-11-24 |
| EP0065194B1 (de) | 1984-10-03 |
| DE3260874D1 (en) | 1984-11-08 |
| DE3119540A1 (de) | 1982-12-02 |
| JPS5832685A (ja) | 1983-02-25 |
| ATE9683T1 (de) | 1984-10-15 |
| CA1182774A (en) | 1985-02-19 |
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