WO2002053524A3 - Verfahren zur trennung und reinigung eines wässrigen gemisches aus den hauptkomponenten essigsäure und ameisensäure - Google Patents
Verfahren zur trennung und reinigung eines wässrigen gemisches aus den hauptkomponenten essigsäure und ameisensäure Download PDFInfo
- Publication number
- WO2002053524A3 WO2002053524A3 PCT/EP2001/014703 EP0114703W WO02053524A3 WO 2002053524 A3 WO2002053524 A3 WO 2002053524A3 EP 0114703 W EP0114703 W EP 0114703W WO 02053524 A3 WO02053524 A3 WO 02053524A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acetic acid
- solvent
- mixture
- formic acid
- column
- Prior art date
Links
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
- C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic 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
- C07C51/43—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)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2000165466 DE10065466A1 (de) | 2000-12-28 | 2000-12-28 | Verfahren zur Trennung eines wässrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure |
DE10065466.5 | 2000-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002053524A2 WO2002053524A2 (de) | 2002-07-11 |
WO2002053524A3 true WO2002053524A3 (de) | 2002-09-19 |
Family
ID=7669277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/014703 WO2002053524A2 (de) | 2000-12-28 | 2001-12-13 | Verfahren zur trennung und reinigung eines wässrigen gemisches aus den hauptkomponenten essigsäure und ameisensäure |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE10065466A1 (de) |
WO (1) | WO2002053524A2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10159834A1 (de) | 2001-12-06 | 2003-06-26 | Consortium Elektrochem Ind | Verfahren zur Herstellung von gesättigten Carbonsäuren mit ein bis vier C-Atomen durch Gasphasenoxidation von 2-Butanon |
DE102007011847A1 (de) | 2007-03-12 | 2008-09-18 | Wacker Chemie Ag | Verfahren zur Herstellung von Essig- und Ameisensäure durch Gasphasenoxidation von Ethanol |
FI121541B (fi) | 2008-04-21 | 2010-12-31 | Kemira Oyj | Menetelmä muurahaishapon talteenottamiseksi |
CN109503360A (zh) * | 2018-12-06 | 2019-03-22 | 中国科学院山西煤炭化学研究所 | 一种用于稀醋酸回收的工艺 |
DE102022123269A1 (de) | 2022-09-13 | 2024-03-14 | proFagus GmbH | Verfahren zur Anreicherung von Essigsäure aus wässrigen Essigsäuremischungen, die andere niedere Carbonsäuren enthalten |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1300886A (en) * | 1970-06-15 | 1972-12-20 | Kuraray Co | Process for separating water and formic acid from mixtures with acetic acid |
US5264086A (en) * | 1993-01-29 | 1993-11-23 | Lloyd Berg | Separation of formic acid from acetic acid by azeotropic distillation |
DE19934410C1 (de) * | 1999-07-22 | 2000-12-14 | Consortium Elektrochem Ind | Verfahren zur Trennung und Reinigung eines wäßrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE513024C (de) * | 1928-02-08 | 1930-11-21 | I G Farbenindustrie Akt Ges | Verfahren zur Trennung von Ameisensaeure und Essigsaeure |
GB727078A (en) * | 1951-11-28 | 1955-03-30 | Celanese Corp | Purifying acetic acid by azeotropic distillation |
DE1204214B (de) * | 1964-02-04 | 1965-11-04 | Huels Chemische Werke Ag | Verfahren zur Isolierung farbloser Ameisensaeure aus essigsaeurehaltigen Oxydaten von Paraffinkohlenwasserstoffen oder deren Gemischen mit cycloaliphatischen Kohlenwasserstoffen |
US3555083A (en) * | 1964-03-12 | 1971-01-12 | Tekkosha Co | Process for the purification of lower fatty acids |
-
2000
- 2000-12-28 DE DE2000165466 patent/DE10065466A1/de not_active Withdrawn
-
2001
- 2001-12-13 WO PCT/EP2001/014703 patent/WO2002053524A2/de not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1300886A (en) * | 1970-06-15 | 1972-12-20 | Kuraray Co | Process for separating water and formic acid from mixtures with acetic acid |
US5264086A (en) * | 1993-01-29 | 1993-11-23 | Lloyd Berg | Separation of formic acid from acetic acid by azeotropic distillation |
DE19934410C1 (de) * | 1999-07-22 | 2000-12-14 | Consortium Elektrochem Ind | Verfahren zur Trennung und Reinigung eines wäßrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure |
Also Published As
Publication number | Publication date |
---|---|
DE10065466A1 (de) | 2002-07-18 |
WO2002053524A2 (de) | 2002-07-11 |
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