ATE70823T1 - Verfahren zur gewinnung und reinigung von nicht umgesetztem acrylnitril. - Google Patents
Verfahren zur gewinnung und reinigung von nicht umgesetztem acrylnitril.Info
- Publication number
- ATE70823T1 ATE70823T1 AT87905682T AT87905682T ATE70823T1 AT E70823 T1 ATE70823 T1 AT E70823T1 AT 87905682 T AT87905682 T AT 87905682T AT 87905682 T AT87905682 T AT 87905682T AT E70823 T1 ATE70823 T1 AT E70823T1
- Authority
- AT
- Austria
- Prior art keywords
- acrylonitrile
- purified
- tower
- acrylamido
- sulfonic acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 150000002825 nitriles Chemical class 0.000 title 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 10
- 239000000463 material Substances 0.000 abstract 5
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 abstract 3
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 abstract 3
- 238000000746 purification Methods 0.000 abstract 3
- 238000009835 boiling Methods 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 239000000356 contaminant Substances 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229920003176 water-insoluble polymer Polymers 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/03—Acrylonitrile
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89654586A | 1986-08-13 | 1986-08-13 | |
| PCT/US1987/001836 WO1988001263A1 (en) | 1986-08-13 | 1987-07-30 | A process for recovering and purifying unreacted acrylonitrile |
| EP87905682A EP0276297B1 (de) | 1986-08-13 | 1987-07-30 | Verfahren zur gewinnung und reinigung von nicht umgesetztem acrylnitril |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE70823T1 true ATE70823T1 (de) | 1992-01-15 |
Family
ID=25406400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT87905682T ATE70823T1 (de) | 1986-08-13 | 1987-07-30 | Verfahren zur gewinnung und reinigung von nicht umgesetztem acrylnitril. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4808344A (de) |
| EP (1) | EP0276297B1 (de) |
| AT (1) | ATE70823T1 (de) |
| DE (1) | DE3775538D1 (de) |
| WO (1) | WO1988001263A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1325401C (en) * | 1988-07-18 | 1993-12-21 | Dwight Merritt | Process and apparatus for reclaiming waste gas treating chemical |
| US5389208A (en) * | 1988-07-18 | 1995-02-14 | Canadian Chemical Reclaiming Ltd. | Process for reclaiming and/or concentrating waste aqueous solutions of gas treating chemicals |
| US5158651A (en) * | 1990-06-11 | 1992-10-27 | Hoechst Celanese Corporation | Process of centrifugally removing inorganic compounds from polyester glycol recovery bottoms |
| US5192399A (en) * | 1991-01-30 | 1993-03-09 | E. I. Du Pont De Nemours And Company | Purification of aminonitriles or diamines |
| US7128815B2 (en) * | 2003-03-25 | 2006-10-31 | Council Of Scientific And Industrial Research | Process for recovery of pure acrylonitrile |
| JP4527549B2 (ja) * | 2003-03-31 | 2010-08-18 | カウンシル・オブ・サイエンティフィック・アンド・インダストリアル・リサーチ | 純粋アクリロニトリルの回収方法 |
| WO2011053983A1 (en) * | 2009-11-02 | 2011-05-05 | Chem Group, Inc. | Process for purifying processing fluids |
| WO2017162545A1 (de) | 2016-03-24 | 2017-09-28 | Basf Se | Verfahren zur herstellung von atbs und copolymeren daraus |
| JP7488961B2 (ja) | 2021-11-17 | 2024-05-22 | エルジー・ケム・リミテッド | 廃水精製方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR949084A (fr) * | 1942-12-01 | 1949-08-19 | American Cyanamid Co | Procédé de purification du nitrile acrylique brut |
| US2361367A (en) * | 1942-12-01 | 1944-10-31 | American Cyanamid Co | Method of removing acetylene polymers from crude acrylonitrile |
| US2653966A (en) * | 1951-07-20 | 1953-09-29 | Monsanto Chemicals | Purification of acrylonitrile |
| US2987451A (en) * | 1957-02-13 | 1961-06-06 | Knapsack Ag | Process for purifying acrylonitrile |
| US3051630A (en) * | 1958-01-25 | 1962-08-28 | Distillers Co Yeast Ltd | Purification of acrylonitrile |
| FR1352268A (fr) * | 1963-01-05 | 1964-02-14 | Electro Chimie Soc D | Perfectionnements à la purification des nitriles non saturés |
| NL302210A (de) * | 1963-01-16 | |||
| US4377444A (en) * | 1970-04-16 | 1983-03-22 | The Standard Oil Co. | Recovery and purification of olefinic nitriles |
| DE2534399A1 (de) * | 1975-08-01 | 1977-02-17 | Basf Ag | Verfahren zum reinigen von acrylnitril fuer die herstellung von acrylnitrilpolymerisaten |
| US4108734A (en) * | 1976-06-14 | 1978-08-22 | Bethlehem Steel Corporation | Process for the distillation of weak ammonia liquor |
| JPS54163524A (en) * | 1978-06-12 | 1979-12-26 | Nitto Chem Ind Co Ltd | Production of high-purity 2-acrylamide-2- methylpropanesulfonic acid |
| DE2938424C2 (de) * | 1979-09-22 | 1981-12-03 | Industrie Chemie Thoma GmbH & Co Produktions KG, 8264 Waldkraiburg | Verfahren zur Abtrenunng von mit Destillatdämpfen übergehenden Säuren und Basen |
| DE3239527A1 (de) * | 1982-10-26 | 1984-04-26 | Röhm GmbH, 6100 Darmstadt | Verfahren zur herstellung langkettiger n-alkansulfonsaeuren von acrylamiden und methacrylamiden |
| US4404064A (en) * | 1982-12-30 | 1983-09-13 | Monsanto Company | Water extractive distillation of olefinically unsaturated nitriles |
| JPH05262226A (ja) * | 1992-03-17 | 1993-10-12 | Yasuaki Kohama | 列車等の軌道走行高速車両の走行安定装置 |
-
1987
- 1987-07-30 AT AT87905682T patent/ATE70823T1/de not_active IP Right Cessation
- 1987-07-30 DE DE8787905682T patent/DE3775538D1/de not_active Expired - Fee Related
- 1987-07-30 WO PCT/US1987/001836 patent/WO1988001263A1/en not_active Ceased
- 1987-07-30 EP EP87905682A patent/EP0276297B1/de not_active Expired
-
1988
- 1988-02-10 US US07/154,666 patent/US4808344A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0276297B1 (de) | 1991-12-27 |
| DE3775538D1 (de) | 1992-02-06 |
| WO1988001263A1 (en) | 1988-02-25 |
| US4808344A (en) | 1989-02-28 |
| EP0276297A1 (de) | 1988-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |