DK138845B - Fremgangsmåde til adskillelse af isopren fra C5-carbonhydridblandinger indeholdende isopren. - Google Patents
Fremgangsmåde til adskillelse af isopren fra C5-carbonhydridblandinger indeholdende isopren.Info
- Publication number
- DK138845B DK138845B DK44073AA DK44073A DK138845B DK 138845 B DK138845 B DK 138845B DK 44073A A DK44073A A DK 44073AA DK 44073 A DK44073 A DK 44073A DK 138845 B DK138845 B DK 138845B
- Authority
- DK
- Denmark
- Prior art keywords
- isoprene
- mixtures containing
- separating
- hydrocarbon mixtures
- containing isoprene
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
-
- 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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19885/72A IT946986B (nl) | 1972-01-28 | 1972-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK138845B true DK138845B (da) | 1978-11-06 |
| DK138845C DK138845C (nl) | 1979-04-17 |
Family
ID=11162057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK44073AA DK138845B (da) | 1972-01-28 | 1973-01-26 | Fremgangsmåde til adskillelse af isopren fra C5-carbonhydridblandinger indeholdende isopren. |
Country Status (32)
| Country | Link |
|---|---|
| US (1) | US3851010A (nl) |
| JP (2) | JPS558969B2 (nl) |
| AR (1) | AR197975A1 (nl) |
| AT (1) | AT326090B (nl) |
| AU (1) | AU474928B2 (nl) |
| BE (1) | BE794552A (nl) |
| BG (3) | BG26664A4 (nl) |
| BR (1) | BR7300646D0 (nl) |
| CA (1) | CA1000644A (nl) |
| CH (1) | CH560656A5 (nl) |
| CS (1) | CS171744B2 (nl) |
| DD (1) | DD101662A5 (nl) |
| DK (1) | DK138845B (nl) |
| EG (1) | EG10798A (nl) |
| ES (1) | ES411298A1 (nl) |
| FR (1) | FR2169226B1 (nl) |
| GB (1) | GB1417733A (nl) |
| HU (1) | HU167370B (nl) |
| IE (1) | IE38687B1 (nl) |
| IN (1) | IN140240B (nl) |
| IT (1) | IT946986B (nl) |
| LU (1) | LU66905A1 (nl) |
| NL (1) | NL174541C (nl) |
| NO (1) | NO138448C (nl) |
| PH (1) | PH11742A (nl) |
| RO (2) | RO64406A (nl) |
| SE (1) | SE397083B (nl) |
| SU (1) | SU623514A3 (nl) |
| TR (1) | TR18234A (nl) |
| YU (1) | YU35562B (nl) |
| ZA (1) | ZA73386B (nl) |
| ZM (1) | ZM1273A1 (nl) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6021125B2 (ja) * | 1976-12-20 | 1985-05-25 | ジェイエスアール株式会社 | イソプレンの精製法 |
| US4128457A (en) * | 1977-03-09 | 1978-12-05 | Societa' Italiana Resine S.I.R. S.P.A. | Process for the separation of butadiene by plural stage extractive distillation |
| US4134795A (en) * | 1978-04-05 | 1979-01-16 | The Goodyear Tire & Rubber Company | Acetylenes removal from diolefin streams by extractive distillation |
| DE2911395C2 (de) * | 1979-03-23 | 1985-03-14 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Gewinnung eines konjugierten Diolefins aus einem C↓4↓- oder C↓5↓-Kohlenwasserstoffgemisch |
| CA1146978A (en) * | 1979-07-18 | 1983-05-24 | Henricus S.A. Douwes | Process for the recovery of isoprene, and isoprene so recovered |
| JPS5828882U (ja) * | 1981-08-20 | 1983-02-24 | 日本電産コパル株式会社 | 表示装置ユニツト |
| EP0130244A1 (en) * | 1983-06-29 | 1985-01-09 | The C.W. Nofsinger Company | Extractive distillation process for the purification of diolefins |
| DE3338269A1 (de) * | 1983-10-21 | 1985-05-02 | Basf Ag, 6700 Ludwigshafen | Verfahren zur gewinnung von isopren aus einem c(pfeil abwaerts)5(pfeil abwaerts)-kohlenwasserstoffgemisch |
| JPS617283U (ja) * | 1984-06-18 | 1986-01-17 | 住友電気工業株式会社 | リニアモ−タ用リアクシヨンプレ−ト |
| US4629533A (en) * | 1985-01-31 | 1986-12-16 | Phillips Petroleum Company | Isolation of 3-methyl-1-butene from a hydrocarbon stream |
| US4570029A (en) * | 1985-03-04 | 1986-02-11 | Uop Inc. | Process for separating isoprene |
| CN1053881C (zh) * | 1996-03-20 | 2000-06-28 | 中国石油化工总公司 | 一种裂解碳五馏份的分离方法 |
| KR100458361B1 (ko) * | 2001-09-25 | 2004-11-26 | 한국과학기술연구원 | 추출증류에 의하여 ｃ5 유분에서 이소프렌을 분리하는 방법 |
| EP3233772B1 (en) | 2014-12-18 | 2021-04-21 | SABIC Global Technologies B.V. | Isoprene extraction with preserved c5 feedstock |
| US10836691B2 (en) * | 2015-09-22 | 2020-11-17 | Fina Technology, Inc. | Upgrading a C5 olefin stream |
| ES2962447T3 (es) * | 2017-08-11 | 2024-03-19 | Basf Se | Proceso de recuperación de 3-metilbut-3-en-1-ol |
| CN111320520B (zh) * | 2018-12-14 | 2024-01-23 | 中国石油化工股份有限公司 | 一种用于丁二烯分离的萃取精馏塔和分离方法 |
| CN115177964A (zh) * | 2022-06-10 | 2022-10-14 | 武汉北湖云峰环保科技有限公司 | 一种废有机溶剂乙腈的再生装置及其工艺 |
| CN115611698B (zh) * | 2022-12-01 | 2023-03-17 | 淄博鲁华同方化工有限公司 | 一种dmf法萃取分离异戊二烯的工艺 |
-
0
- BE BE794552D patent/BE794552A/xx not_active IP Right Cessation
-
1972
- 1972-01-28 IT IT19885/72A patent/IT946986B/it active
-
1973
- 1973-01-04 EG EG3/73A patent/EG10798A/xx active
- 1973-01-18 AU AU51213/73A patent/AU474928B2/en not_active Expired
- 1973-01-18 ZA ZA730386A patent/ZA73386B/xx unknown
- 1973-01-19 IE IE85/73A patent/IE38687B1/xx unknown
- 1973-01-20 RO RO7373564A patent/RO64406A/ro unknown
- 1973-01-20 RO RO7379754A patent/RO64566A/ro unknown
- 1973-01-23 TR TR18234A patent/TR18234A/xx unknown
- 1973-01-23 AR AR246258A patent/AR197975A1/es active
- 1973-01-23 YU YU179/73A patent/YU35562B/xx unknown
- 1973-01-24 IN IN166/CAL/73A patent/IN140240B/en unknown
- 1973-01-25 ZM ZM12/73A patent/ZM1273A1/xx unknown
- 1973-01-25 FR FR7302573A patent/FR2169226B1/fr not_active Expired
- 1973-01-26 NO NO343/73A patent/NO138448C/no unknown
- 1973-01-26 DK DK44073AA patent/DK138845B/da not_active IP Right Cessation
- 1973-01-26 HU HUSA2448A patent/HU167370B/hu unknown
- 1973-01-26 SU SU731874586A patent/SU623514A3/ru active
- 1973-01-26 PH PH14290A patent/PH11742A/en unknown
- 1973-01-26 US US00327238A patent/US3851010A/en not_active Expired - Lifetime
- 1973-01-26 SE SE7301166A patent/SE397083B/xx unknown
- 1973-01-26 GB GB424473A patent/GB1417733A/en not_active Expired
- 1973-01-26 CA CA162,118A patent/CA1000644A/en not_active Expired
- 1973-01-26 CS CS628A patent/CS171744B2/cs unknown
- 1973-01-26 LU LU66905A patent/LU66905A1/xx unknown
- 1973-01-26 DD DD168463A patent/DD101662A5/xx unknown
- 1973-01-27 JP JP1070173A patent/JPS558969B2/ja not_active Expired
- 1973-01-28 ES ES411298A patent/ES411298A1/es not_active Expired
- 1973-01-29 BR BR73646A patent/BR7300646D0/pt unknown
- 1973-01-29 BG BG7332612A patent/BG26664A4/xx unknown
- 1973-01-29 AT AT76573A patent/AT326090B/de not_active IP Right Cessation
- 1973-01-29 BG BG022561A patent/BG25643A3/xx unknown
- 1973-01-29 CH CH122873A patent/CH560656A5/xx not_active IP Right Cessation
- 1973-01-29 NL NLAANVRAGE7301254,A patent/NL174541C/nl not_active IP Right Cessation
-
1976
- 1976-03-15 BG BG032612A patent/BG26664A3/bg unknown
-
1978
- 1978-06-21 JP JP7432878A patent/JPS5436204A/ja active Granted
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |