BE793981A - Procede d'isolement de l'acide acetique par rectification extractive - Google Patents
Procede d'isolement de l'acide acetique par rectification extractiveInfo
- Publication number
- BE793981A BE793981A BE793981DA BE793981A BE 793981 A BE793981 A BE 793981A BE 793981D A BE793981D A BE 793981DA BE 793981 A BE793981 A BE 793981A
- Authority
- BE
- Belgium
- Prior art keywords
- acetic acid
- extractive rectification
- isolating
- isolating acetic
- extractive
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title 3
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (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 |
|---|---|---|---|
| DE2201827A DE2201827C3 (de) | 1972-01-15 | 1972-01-15 | Verfahren zur Gewinnung von Essigsäure durch Extrakffvrektifikation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE793981A true BE793981A (fr) | 1973-05-02 |
Family
ID=5833076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE793981D BE793981A (fr) | 1972-01-15 | Procede d'isolement de l'acide acetique par rectification extractive |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3878241A (fr) |
| JP (1) | JPS5320488B2 (fr) |
| BE (1) | BE793981A (fr) |
| DE (1) | DE2201827C3 (fr) |
| FR (1) | FR2168314B1 (fr) |
| GB (1) | GB1407523A (fr) |
| IT (1) | IT976825B (fr) |
| NL (1) | NL7300525A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2545730A1 (de) * | 1975-10-11 | 1977-04-21 | Basf Ag | Verfahren zur reindarstellung von ameisensaeure |
| FR2466448A1 (fr) * | 1979-10-01 | 1981-04-10 | Propylox Sa | Procede pour la recuperation d'acides carboxyliques a partir de melanges contenant des esters de glycols derives de ces acides |
| NL8103517A (nl) * | 1981-07-24 | 1983-02-16 | Badger Bv | Werkwijze voor het scheiden van carbonzuren van mengsels met niet-zuren door een absorptie-stripbehandeling. |
| WO2011022812A1 (fr) | 2009-08-27 | 2011-03-03 | Iogen Energy Corporation | Récupération d'acides carboxyliques volatils par évaporation extractive |
| US8981146B2 (en) | 2009-08-27 | 2015-03-17 | Iogen Energy Corporation | Recovery of volatile carboxylic acids by a stripper-extractor system |
| CN101704734B (zh) * | 2009-11-20 | 2013-03-06 | 南京昂扬化工有限公司 | 一种偏苯三酸酐生产过程中稀醋酸的回收方法 |
| US8864950B2 (en) * | 2011-10-03 | 2014-10-21 | Celanese International Corporation | Processes for producing acrylic acids and acrylates |
| WO2016135630A1 (fr) * | 2015-02-25 | 2016-09-01 | Sabic Global Technologies B.V. | Procédé d'élimination d'impuretés à partir d'acide acétique |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2126611A (en) * | 1937-03-31 | 1938-08-09 | Dow Chemical Co | Purification and decolorization of acetic acid |
| US2313386A (en) * | 1941-02-08 | 1943-03-09 | Levesque Jean | Process for concentration and extraction of acetic acid in aqueous solutions |
-
0
- BE BE793981D patent/BE793981A/fr unknown
-
1972
- 1972-01-15 DE DE2201827A patent/DE2201827C3/de not_active Expired
-
1973
- 1973-01-05 FR FR7300302A patent/FR2168314B1/fr not_active Expired
- 1973-01-11 US US322699A patent/US3878241A/en not_active Expired - Lifetime
- 1973-01-11 IT IT47616/73A patent/IT976825B/it active
- 1973-01-12 NL NL7300525A patent/NL7300525A/xx not_active Application Discontinuation
- 1973-01-12 JP JP603873A patent/JPS5320488B2/ja not_active Expired
- 1973-01-12 GB GB171673A patent/GB1407523A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2168314B1 (fr) | 1977-02-04 |
| JPS5320488B2 (fr) | 1978-06-27 |
| DE2201827A1 (de) | 1973-07-19 |
| DE2201827B2 (fr) | 1974-09-05 |
| NL7300525A (fr) | 1973-07-17 |
| JPS4880510A (fr) | 1973-10-29 |
| US3878241A (en) | 1975-04-15 |
| DE2201827C3 (de) | 1975-05-22 |
| GB1407523A (en) | 1975-09-24 |
| FR2168314A1 (fr) | 1973-08-31 |
| IT976825B (it) | 1974-09-10 |
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