HUT72347A - Method for recovering carboxylic acids from aqueous solutions - Google Patents
Method for recovering carboxylic acids from aqueous solutionsInfo
- Publication number
- HUT72347A HUT72347A HU9402903A HU9402903A HUT72347A HU T72347 A HUT72347 A HU T72347A HU 9402903 A HU9402903 A HU 9402903A HU 9402903 A HU9402903 A HU 9402903A HU T72347 A HUT72347 A HU T72347A
- Authority
- HU
- Hungary
- Prior art keywords
- carboxylic acids
- aqueous solutions
- recovering carboxylic
- recovering
- aqueous
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0492—Applications, solvents used
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/147,394 US5399751A (en) | 1993-11-05 | 1993-11-05 | Method for recovering carboxylic acids from aqueous solutions |
Publications (1)
Publication Number | Publication Date |
---|---|
HUT72347A true HUT72347A (en) | 1996-04-29 |
Family
ID=22521401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU9402903A HUT72347A (en) | 1993-11-05 | 1994-10-07 | Method for recovering carboxylic acids from aqueous solutions |
Country Status (4)
Country | Link |
---|---|
US (1) | US5399751A (hu) |
CZ (1) | CZ235194A3 (hu) |
HU (1) | HUT72347A (hu) |
SK (1) | SK120094A3 (hu) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5777157A (en) * | 1996-01-11 | 1998-07-07 | Industrias Monfel S.A. De C.V. | Process for production and purification of triacetin |
US6180827B1 (en) | 1998-02-03 | 2001-01-30 | Hfm International, Inc. | Recovery of acrylic acid from process or waste water streams |
US6440383B1 (en) | 1999-06-24 | 2002-08-27 | Altair Nanomaterials Inc. | Processing aqueous titanium chloride solutions to ultrafine titanium dioxide |
US6548039B1 (en) | 1999-06-24 | 2003-04-15 | Altair Nanomaterials Inc. | Processing aqueous titanium solutions to titanium dioxide pigment |
US6375923B1 (en) | 1999-06-24 | 2002-04-23 | Altair Nanomaterials Inc. | Processing titaniferous ore to titanium dioxide pigment |
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 |
AU2005271781A1 (en) * | 2004-07-13 | 2006-02-16 | Altairnano, Inc. | Ceramic structures for prevention of drug diversion |
AU2006283170A1 (en) * | 2005-08-23 | 2007-03-01 | Altairnano, Inc. | Highly photocatalytic phosphorus-doped anatase-TiO2 composition and related manufacturing methods |
US20080020175A1 (en) * | 2006-03-02 | 2008-01-24 | Fred Ratel | Nanostructured Indium-Doped Iron Oxide |
WO2007103824A1 (en) * | 2006-03-02 | 2007-09-13 | Altairnano, Inc. | Nanostructured metal oxides |
US20080038482A1 (en) * | 2006-03-02 | 2008-02-14 | Fred Ratel | Method for Low Temperature Production of Nano-Structured Iron Oxide Coatings |
US20080254258A1 (en) * | 2007-04-12 | 2008-10-16 | Altairnano, Inc. | Teflon® replacements and related production methods |
FI121541B (fi) * | 2008-04-21 | 2010-12-31 | Kemira Oyj | Menetelmä muurahaishapon talteenottamiseksi |
US9156769B2 (en) | 2008-10-15 | 2015-10-13 | Arkema Inc. | Method of recovering carboxylic acids from dilute aqueous streams |
US20110201842A1 (en) * | 2008-10-15 | 2011-08-18 | Arkema Inc. | Method for recovering carboxylic acids from dilute aqueous streams |
CA2772115A1 (en) | 2009-08-27 | 2011-03-03 | Iogen Energy Corporation | Recovery of volatile carboxylic acids by extractive evaporation |
BR112012008066A2 (pt) | 2009-08-27 | 2016-03-01 | Iogen Energy Corp | recuperação de ácidos carboxílicos voláteis por um sistema removedor-extrator |
CA2939918C (en) | 2014-02-28 | 2020-03-24 | Lyondellbasell Acetyls, Llc | Acetic acid production process |
CN109384666B (zh) * | 2018-11-26 | 2021-06-22 | 广州楹鼎生物科技有限公司 | 一种联动回收有机酸水溶液中有机酸的方法 |
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 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1839932A (en) * | 1928-08-17 | 1932-01-05 | Us Ind Alcohol Co | Manufacture of anhydrous acetic acid |
US2028800A (en) * | 1931-02-06 | 1936-01-28 | Eastman Kodak Co | Process for concentrating acetic acid |
US2033978A (en) * | 1932-04-01 | 1936-03-17 | Dreyfus Henry | Concentration of lower aliphatic acids |
US2159146A (en) * | 1933-12-12 | 1939-05-23 | Melle Usines Sa | Process for the separation of acetic anhydride |
US2048441A (en) * | 1935-05-14 | 1936-07-21 | Feltman David Edward | Planter |
US2526508A (en) * | 1948-08-19 | 1950-10-17 | Standard Oil Dev Co | Recovery of fatty acids from dilute aqueous solutions |
US2588268A (en) * | 1948-09-22 | 1952-03-04 | Standard Oil Dev Co | Process for dehydrating isophorone fatty acid extract |
US2574256A (en) * | 1949-10-27 | 1951-11-06 | Alvin C Flisik | Method of recovering crystalline cyanoacetic acid |
US3040094A (en) * | 1958-09-24 | 1962-06-19 | West Virginia Pulp & Paper Co | Recovery of aliphatic acids from black liquor |
DE1223826B (de) * | 1964-09-11 | 1966-09-01 | Basf Ag | Verfahren zur Gewinnung von wasser- und weitgehend ameisensaeurefreier Essigsaeure |
US3470238A (en) * | 1964-11-06 | 1969-09-30 | Mitsubishi Petrochemical Co | Process for recovering acrylic and methacrylic ester |
US3816524A (en) * | 1972-08-31 | 1974-06-11 | Dow Chemical Co | Extraction of carboxylic acids from dilute aqueous solutions |
US4353784A (en) * | 1981-09-21 | 1982-10-12 | Daicel Chemical Industries, Ltd. | Method of recovery of acetic acid |
US4405717A (en) * | 1981-10-26 | 1983-09-20 | Cpc International Inc. | Recovery of acetic acid from a fermentation broth |
DE3319651A1 (de) * | 1983-05-31 | 1984-12-06 | Basf Ag, 6700 Ludwigshafen | Verfahren zur destillativen gewinnung von ameisensaeure |
US4672219A (en) * | 1984-06-28 | 1987-06-09 | Oki Electric Industry Co., Ltd. | Image reader with scanning by array of sequentially illuminated light sources |
US4735690A (en) * | 1986-03-10 | 1988-04-05 | Lloyd Berg | Dehydration of impure formic acid by extractive distillation |
US4729818A (en) * | 1987-04-16 | 1988-03-08 | Lloyd Berg | Dehydration of acetic acid by extractive distillation |
US4909907A (en) * | 1987-09-21 | 1990-03-20 | Hoechst Celanese Chemical Co. | Separation of formic acid from acetic acid by extractive distillation with acetyl salicylic acid |
US4877490A (en) * | 1987-11-27 | 1989-10-31 | Lloyd Berg | Dehydration of formic acid by extractive distillation with dicarboxylic acids |
US5006205A (en) * | 1987-11-27 | 1991-04-09 | Lloyd Berg | Dehydration of formic acid by extractive distillation |
US4786370A (en) * | 1988-01-04 | 1988-11-22 | Lloyd Berg | Dehydration of formic acid by extractive distillation |
US4935100A (en) * | 1989-05-30 | 1990-06-19 | Lloyd Berg | Dehydration of formic acid by extractive distillation |
US5175357A (en) * | 1990-03-20 | 1992-12-29 | The University Of South Carolina | Process for recovering acetic acid from aqueous acetic acid solutions |
US5173156A (en) * | 1991-12-09 | 1992-12-22 | Lloyd Berg | Dehydration of formic acid by extractive distillation |
US5167774A (en) * | 1992-02-06 | 1992-12-01 | Lloyd Berg | Dehydration of acetic acid by extractive distillation |
US5160412A (en) * | 1992-03-10 | 1992-11-03 | Lloyd Berg | Dehydration of acetic acid by azeotropic distillation |
US5227029A (en) * | 1993-01-29 | 1993-07-13 | Lloyd Berg | Separation of formic acid from acetic acid by extractive distillation |
-
1993
- 1993-11-05 US US08/147,394 patent/US5399751A/en not_active Expired - Lifetime
-
1994
- 1994-09-26 CZ CZ942351A patent/CZ235194A3/cs unknown
- 1994-10-05 SK SK1200-94A patent/SK120094A3/sk unknown
- 1994-10-07 HU HU9402903A patent/HUT72347A/hu unknown
Also Published As
Publication number | Publication date |
---|---|
US5399751A (en) | 1995-03-21 |
SK120094A3 (en) | 1995-06-07 |
CZ235194A3 (en) | 1995-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
DFC4 | Cancellation of temporary prot. due to refusal |