BE619111A - - Google Patents
Info
- Publication number
- BE619111A BE619111A BE619111DA BE619111A BE 619111 A BE619111 A BE 619111A BE 619111D A BE619111D A BE 619111DA BE 619111 A BE619111 A BE 619111A
- Authority
- BE
- Belgium
Links
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT415261A AT228188B (de) | 1961-05-27 | 1961-05-27 | Verfahren zur kontinuierlichen Gewinnung von Acrylnitril und Acetonitril |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE619111A true BE619111A (US07582779-20090901-C00044.png) |
Family
ID=3560337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE619111D BE619111A (US07582779-20090901-C00044.png) | 1961-05-27 |
Country Status (9)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328266A (en) * | 1967-06-27 | Modiano etal separation of acrylonitrile by extractive distillation with water | ||
| GB984725A (en) * | 1962-07-21 | 1965-03-03 | Electro Chimie Metal | Improvements in or relating to the purification of acrylonitrile |
| NL301608A (US07582779-20090901-C00044.png) * | 1962-12-19 | |||
| FR1352268A (fr) * | 1963-01-05 | 1964-02-14 | Electro Chimie Soc D | Perfectionnements à la purification des nitriles non saturés |
| FR1427860A (fr) * | 1964-12-24 | 1966-02-11 | Electrochimie Soc | Perfectionnements aux procédés d'obtention d'acrylonitrile et d'acétonitrile purs |
| US3399120A (en) * | 1965-12-09 | 1968-08-27 | Monsanto Co | Purification of olefinically unsaturated nitriles by water extractive distillation |
| US3352764A (en) * | 1966-05-02 | 1967-11-14 | Standard Oil Co | Absorption and distillation process for separating crude unsaturated nitriles from acetonitrile with selective solvent recycle |
| US3507755A (en) * | 1967-10-17 | 1970-04-21 | Bayer Ag | Process for the purification of acrylonitrile by distillation with side stream withdrawal and decantation |
| US4377444A (en) * | 1970-04-16 | 1983-03-22 | The Standard Oil Co. | Recovery and purification of olefinic nitriles |
| BE791286A (fr) * | 1971-11-17 | 1973-03-01 | Snam Progetti | Procede de purification d'acrylonitrile |
| US4362603A (en) * | 1981-01-02 | 1982-12-07 | The Standard Oil Company | Continuous acetonitrile recovery process |
| CN106892842A (zh) * | 2015-12-17 | 2017-06-27 | 英尼奥斯欧洲股份公司 | 回收塔 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE592799A (US07582779-20090901-C00044.png) * | ||||
| US2305106A (en) * | 1940-04-29 | 1942-12-15 | Ici Ltd | Manufacture of acetonitrile |
| US2415662A (en) * | 1943-10-06 | 1947-02-11 | Sinelair Refining Company | Distillation of acrylonitrile from acetonitrile |
| GB719911A (en) * | 1951-11-14 | 1954-12-08 | Celanese Corp | Purifying acrylonitrile by extractive distillation |
| US2681306A (en) * | 1952-02-06 | 1954-06-15 | Du Pont | Purification of acrylonitrile by extractive distillation |
| US2807573A (en) * | 1954-04-28 | 1957-09-24 | Escambia Chem Corp | Purification of acrylonitrile by extractive distillation |
| US2773088A (en) * | 1955-05-18 | 1956-12-04 | Nat Res Corp | Method for the mutual separation of acrylonitrile, acetonitrile, and propionitrile from aqueous solutions |
| FR1243805A (fr) * | 1956-12-10 | 1960-10-21 | Escambia Chem Corp | Procédé de séparation de l'acrylonitrile de solutions aqueuses |
| US3073753A (en) * | 1957-10-10 | 1963-01-15 | Distillers Co Yeast Ltd | Recovery of acrylonitrile |
| US2947777A (en) * | 1957-11-26 | 1960-08-02 | Monsanto Chemicals | Purification of acrylonitrile |
| FR1218112A (fr) * | 1958-01-25 | 1960-05-09 | Distillers Co Yeast Ltd | Procédé de purification de l'acrylonitrile |
| FR1239243A (fr) * | 1958-10-31 | 1960-08-19 | Knapsack Ag | Procédé pour isoler et purifier l'acrylonitrile |
| US3080301A (en) * | 1959-02-14 | 1963-03-05 | Sicedison Spa | Process for the production of acrylonitrile having a high degree of purity |
| US3012947A (en) * | 1959-06-15 | 1961-12-12 | Exxon Research Engineering Co | Recovery of high purity isoprene from light steam cracked distillate |
| US3003929A (en) * | 1959-09-30 | 1961-10-10 | Eastman Kodak Co | Azeotropic distillation with by-passing of reflux or vapor |
-
0
- NL NL278227D patent/NL278227A/xx unknown
- IT IT668315D patent/IT668315A/it unknown
- CA CA669119A patent/CA669119A/en not_active Expired
- BE BE619111D patent/BE619111A/xx unknown
-
1961
- 1961-05-27 AT AT415261A patent/AT228188B/de active
-
1962
- 1962-04-19 DE DEL41795A patent/DE1255103B/de active Pending
- 1962-05-16 CH CH591862A patent/CH413817A/de unknown
- 1962-05-18 US US195808A patent/US3264197A/en not_active Expired - Lifetime
- 1962-05-25 GB GB20157/62A patent/GB980444A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL278227A (US07582779-20090901-C00044.png) | |
| DE1255103B (de) | 1967-11-30 |
| US3264197A (en) | 1966-08-02 |
| AT228188B (de) | 1963-07-10 |
| IT668315A (US07582779-20090901-C00044.png) | |
| CA669119A (en) | 1963-08-20 |
| GB980444A (en) | 1965-01-13 |
| CH413817A (de) | 1966-05-31 |
