BE762644A - Purification d'acides carboxyliques - Google Patents
Purification d'acides carboxyliquesInfo
- Publication number
- BE762644A BE762644A BE762644A BE762644A BE762644A BE 762644 A BE762644 A BE 762644A BE 762644 A BE762644 A BE 762644A BE 762644 A BE762644 A BE 762644A BE 762644 A BE762644 A BE 762644A
- Authority
- BE
- Belgium
- Prior art keywords
- purification
- carboxylic acids
- carboxylic
- acids
- Prior art date
Links
- 150000001735 carboxylic acids Chemical class 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US807970A | 1970-02-02 | 1970-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE762644A true BE762644A (fr) | 1971-08-09 |
Family
ID=21729692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE762644A BE762644A (fr) | 1970-02-02 | 1971-02-08 | Purification d'acides carboxyliques |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3709795A (enExample) |
| BE (1) | BE762644A (enExample) |
| DE (1) | DE2104828C3 (enExample) |
| FR (1) | FR2078074A5 (enExample) |
| GB (1) | GB1293774A (enExample) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE791577A (fr) * | 1971-11-19 | 1973-05-17 | Monsanto Co | Purification de courants d'acide carboxylique |
| DE3329781A1 (de) * | 1983-08-18 | 1985-02-28 | Hoechst Ag, 6230 Frankfurt | Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbonylierung von dimethylether, methylacetat oder methanol erhaltenen carbonylierungsprodukten |
| DE3612504A1 (de) * | 1985-09-30 | 1987-04-09 | Hoechst Ag | Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbbonylierung von dimethylether, methylacetat oder methanol erhaltenden carbonylierungsprodukten |
| GB8822661D0 (en) | 1988-09-27 | 1988-11-02 | Bp Chem Int Ltd | Removal of iodine/iodide impurities |
| GB9100216D0 (en) * | 1991-01-05 | 1991-02-20 | Bp Chem Int Ltd | Process |
| FR2680980A1 (fr) * | 1991-09-09 | 1993-03-12 | Commissariat Energie Atomique | Procede de traitement d'une solution contenant de l'acide acetique en presence d'halogenes. |
| GB9120902D0 (en) * | 1991-10-02 | 1991-11-13 | Bp Chem Int Ltd | Purification process |
| DE4140082A1 (de) * | 1991-12-05 | 1993-06-09 | Hoechst Ag, 6230 Frankfurt, De | Verfahren zur reinigung von abfallessigsaeure |
| DE4213154C1 (enExample) * | 1992-04-22 | 1993-06-17 | Hoechst Ag, 6230 Frankfurt, De | |
| DE4327011A1 (de) * | 1993-08-12 | 1995-02-16 | Hoechst Ag | Verfahren zur Entfernung von Aldehyden und Acetalen aus technisch hergestellter Essigsäure |
| EP1700869A1 (en) * | 2005-03-11 | 2006-09-13 | 3M Innovative Properties Company | Recovery of fluorinated surfactants from a basic anion exchange resin having quaternary ammonium groups |
| WO2008101137A1 (en) * | 2007-02-16 | 2008-08-21 | 3M Innovative Properties Company | System and process for the removal of fluorochemicals from water |
| US8575403B2 (en) | 2010-05-07 | 2013-11-05 | Celanese International Corporation | Hydrolysis of ethyl acetate in ethanol separation process |
| US8704008B2 (en) | 2010-07-09 | 2014-04-22 | Celanese International Corporation | Process for producing ethanol using a stacked bed reactor |
| US9272970B2 (en) | 2010-07-09 | 2016-03-01 | Celanese International Corporation | Hydrogenolysis of ethyl acetate in alcohol separation processes |
| US8664454B2 (en) | 2010-07-09 | 2014-03-04 | Celanese International Corporation | Process for production of ethanol using a mixed feed using copper containing catalyst |
| US8710279B2 (en) | 2010-07-09 | 2014-04-29 | Celanese International Corporation | Hydrogenolysis of ethyl acetate in alcohol separation processes |
| US8754268B2 (en) | 2011-04-26 | 2014-06-17 | Celanese International Corporation | Process for removing water from alcohol mixtures |
| TW201302684A (zh) | 2011-04-26 | 2013-01-16 | Celanese Int Corp | 由醋酸進料及再循環醋酸乙酯進料生產乙醇之製程 |
| US8592635B2 (en) | 2011-04-26 | 2013-11-26 | Celanese International Corporation | Integrated ethanol production by extracting halides from acetic acid |
| US9073816B2 (en) | 2011-04-26 | 2015-07-07 | Celanese International Corporation | Reducing ethyl acetate concentration in recycle streams for ethanol production processes |
| US8895786B2 (en) | 2011-08-03 | 2014-11-25 | Celanese International Corporation | Processes for increasing alcohol production |
| US8686201B2 (en) | 2011-11-09 | 2014-04-01 | Celanese International Corporation | Integrated acid and alcohol production process having flashing to recover acid production catalyst |
| US8614359B2 (en) | 2011-11-09 | 2013-12-24 | Celanese International Corporation | Integrated acid and alcohol production process |
| CA2976310A1 (en) * | 2015-02-25 | 2016-09-01 | Sabic Global Technologies B.V. | Process for removing impurities from acetic acid |
| WO2018116143A1 (en) * | 2016-12-19 | 2018-06-28 | Sabic Global Technologies B.V. | Method of purifying acetic acid |
| CN116606203A (zh) * | 2023-05-23 | 2023-08-18 | 生工生物工程(上海)股份有限公司 | 一种提高乙酸纯度的方法 |
-
1970
- 1970-02-02 US US00008079A patent/US3709795A/en not_active Expired - Lifetime
-
1971
- 1971-02-02 DE DE2104828A patent/DE2104828C3/de not_active Expired
- 1971-02-02 FR FR7103424A patent/FR2078074A5/fr not_active Expired
- 1971-02-08 BE BE762644A patent/BE762644A/xx not_active IP Right Cessation
- 1971-04-19 GB GB2078/71A patent/GB1293774A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2104828C3 (de) | 1980-06-26 |
| GB1293774A (en) | 1972-10-25 |
| DE2104828A1 (de) | 1971-08-19 |
| FR2078074A5 (enExample) | 1971-11-05 |
| US3709795A (en) | 1973-01-09 |
| DE2104828B2 (de) | 1979-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: MONSANTO CO. Effective date: 19910208 |