ATE520639T1 - Verfahren zur rückgewinnung von fluorcarbonsäuren - Google Patents
Verfahren zur rückgewinnung von fluorcarbonsäurenInfo
- Publication number
- ATE520639T1 ATE520639T1 AT08832893T AT08832893T ATE520639T1 AT E520639 T1 ATE520639 T1 AT E520639T1 AT 08832893 T AT08832893 T AT 08832893T AT 08832893 T AT08832893 T AT 08832893T AT E520639 T1 ATE520639 T1 AT E520639T1
- Authority
- AT
- Austria
- Prior art keywords
- acids
- recovering
- fluorocarbonyl
- relates
- flourocarboxylic
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/36—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0706829A FR2921565B1 (fr) | 2007-09-28 | 2007-09-28 | Procede de recuperation d'acides fluorocarboxyliques |
PCT/EP2008/062852 WO2009040398A1 (fr) | 2007-09-28 | 2008-09-25 | Procede de recuperation d'acides fluorocarboxyliques |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE520639T1 true ATE520639T1 (de) | 2011-09-15 |
Family
ID=39167575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT08832893T ATE520639T1 (de) | 2007-09-28 | 2008-09-25 | Verfahren zur rückgewinnung von fluorcarbonsäuren |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110005915A1 (de) |
EP (1) | EP2203405B1 (de) |
CN (1) | CN101878189A (de) |
AT (1) | ATE520639T1 (de) |
FR (1) | FR2921565B1 (de) |
WO (1) | WO2009040398A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9884822B2 (en) * | 2012-02-09 | 2018-02-06 | Arch Chemicals, Inc. | Process for the preparation of 1-hydroxy-6-substituted pyridones |
CN102643189B (zh) * | 2012-03-31 | 2014-07-02 | 中昊晨光化工研究院 | 一种从尾气中回收全氟辛酸的系统和方法 |
CN103420836A (zh) * | 2012-05-21 | 2013-12-04 | 上海品沃化工有限公司 | 含氟低碳脂肪酸的提纯方法 |
CN103214362A (zh) * | 2013-04-18 | 2013-07-24 | 中国工程物理研究院化工材料研究所 | 一种从炸药废水中提取三氟乙酸的方法 |
CN107382704B (zh) * | 2017-07-01 | 2020-11-06 | 山东金城柯瑞化学有限公司 | 由s-gsh废液中回收三氟乙酸并联产长直链有机酸的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3288850A (en) * | 1963-07-30 | 1966-11-29 | Allied Chem | Manufacture of trifluoroacetic acid |
US4236975A (en) * | 1976-06-11 | 1980-12-02 | Phillips Petroleum Company | Recovery of methyl heptafluorobutyrate from water by distillation |
DE4213154C1 (de) * | 1992-04-22 | 1993-06-17 | Hoechst Ag, 6230 Frankfurt, De | |
US5240566A (en) * | 1992-12-07 | 1993-08-31 | The Goodyear Tire & Rubber Company | Separation process |
RU2151741C1 (ru) * | 1998-05-29 | 2000-06-27 | Российский научный центр "Прикладная химия" | Способ выделения трифторуксусной кислоты из водных растворов |
US6281374B1 (en) * | 2000-08-23 | 2001-08-28 | E. I. Du Pont De Nemours And Company | Fluorinated alkanoic acid purification process |
DE60304469T2 (de) * | 2002-06-19 | 2006-11-23 | Sasakura Engineering Co., Ltd. | Verfahren zur gewinnung von fluor-enthaltenden emulgatoren |
AU2003276878A1 (en) * | 2002-09-30 | 2004-04-23 | Daikin Industries, Ltd. | Process for preparing fluorocarboxylic acids |
-
2007
- 2007-09-28 FR FR0706829A patent/FR2921565B1/fr not_active Expired - Fee Related
-
2008
- 2008-09-25 EP EP08832893A patent/EP2203405B1/de not_active Not-in-force
- 2008-09-25 US US12/680,496 patent/US20110005915A1/en not_active Abandoned
- 2008-09-25 WO PCT/EP2008/062852 patent/WO2009040398A1/fr active Application Filing
- 2008-09-25 AT AT08832893T patent/ATE520639T1/de not_active IP Right Cessation
- 2008-09-25 CN CN2008801091176A patent/CN101878189A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2921565B1 (fr) | 2011-05-20 |
EP2203405A1 (de) | 2010-07-07 |
US20110005915A1 (en) | 2011-01-13 |
EP2203405B1 (de) | 2011-08-17 |
WO2009040398A1 (fr) | 2009-04-02 |
CN101878189A (zh) | 2010-11-03 |
FR2921565A1 (fr) | 2009-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |