NO763447L - - Google Patents
Info
- Publication number
- NO763447L NO763447L NO763447A NO763447A NO763447L NO 763447 L NO763447 L NO 763447L NO 763447 A NO763447 A NO 763447A NO 763447 A NO763447 A NO 763447A NO 763447 L NO763447 L NO 763447L
- Authority
- NO
- Norway
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
- C07C51/48—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2545658A DE2545658C2 (en) | 1975-10-11 | 1975-10-11 | Process for the production of carboxylic acids from their aqueous solutions |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO763447L true NO763447L (en) | 1977-04-13 |
| NO148068B NO148068B (en) | 1983-04-25 |
| NO148068C NO148068C (en) | 1983-08-03 |
Family
ID=5958936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO763447A NO148068C (en) | 1975-10-11 | 1976-10-08 | PROCEDURE FOR THE RECOVERY OF CARBOXYL ACIDS FROM Aqueous SOLUTIONS THROUGH EXTRACTION WITH SECONDARY AMIDS AS EXTRACTING AGENTS |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS6016410B2 (en) |
| BE (1) | BE847154A (en) |
| BR (1) | BR7606734A (en) |
| CA (1) | CA1065889A (en) |
| DE (1) | DE2545658C2 (en) |
| ES (1) | ES452288A1 (en) |
| FR (1) | FR2327215A1 (en) |
| GB (1) | GB1554172A (en) |
| IT (1) | IT1068121B (en) |
| NL (1) | NL188405C (en) |
| NO (1) | NO148068C (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2853991A1 (en) * | 1978-12-14 | 1980-07-03 | Basf Ag | METHOD FOR DETERMINING WATER-FREE OR MOSTLY WATER-FREE FORMIC ACID |
| DE2914671A1 (en) * | 1979-04-11 | 1980-10-23 | Basf Ag | METHOD FOR DETERMINING WATER-FREE OR MOSTLY WATER-FREE FORMIC ACID |
| NL8103517A (en) * | 1981-07-24 | 1983-02-16 | Badger Bv | METHOD FOR SEPARATING CARBONIC ACIDS FROM MIXTURES WITH NON-ACIDS BY AN ABSORPTION STRIP TREATMENT. |
| DE3411384A1 (en) * | 1984-03-28 | 1985-10-10 | Basf Ag, 6700 Ludwigshafen | METHOD FOR THE EXTRACTION OF WATER-FREE OR MOSTLY WATER-FREE FORMIC ACID BY HYDROLYSIS OF METHYLFORMIAT |
| DE3417790A1 (en) * | 1984-05-14 | 1985-11-14 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING FORMIC ACID |
| DE4023353A1 (en) * | 1990-07-23 | 1992-01-30 | Basf Ag | METHOD FOR OBTAINING CARBONIC ACIDS FROM THEIR AQUEOUS SOLUTIONS |
| DE4211141A1 (en) * | 1992-04-03 | 1993-10-07 | Basf Ag | Process for the preparation of formic acid by thermal cleavage of quaternary ammonium formates |
| US5728872A (en) * | 1994-06-27 | 1998-03-17 | Lutz Riemenschneider | Stabilized acrylic acid compositions |
| DE10002793A1 (en) * | 2000-01-24 | 2001-07-26 | Basf Ag | Production of anhydrous formic acid involves hydrolysis of methyl formate followed by distillation, extraction with amide and further distillations, using the amide also as a foam suppressant in first distillation stage |
| DE102008053315A1 (en) | 2008-10-27 | 2010-04-29 | Kiefer, Hans, Dr. | Preparation of tetrahydrofuran, comprises heating 1,4-diacetoxy butane in the presence of a strong acid and excess water to reflux and continuously separating the formed tetrahydrofuran by rectification |
| WO2012000964A1 (en) | 2010-06-29 | 2012-01-05 | Basf Se | Method for producing formic acid |
| US8901350B2 (en) | 2010-06-29 | 2014-12-02 | Basf Se | Process for the preparation of formic acid |
| CN104024203B (en) | 2011-12-20 | 2016-09-21 | 巴斯夫欧洲公司 | The method producing formic acid |
| US8889905B2 (en) | 2011-12-20 | 2014-11-18 | Basf Se | Process for preparing formic acid |
| RU2014129627A (en) | 2011-12-20 | 2016-02-10 | Басф Се | METHOD FOR PRODUCING FORMIC ACID |
| US8835683B2 (en) | 2011-12-20 | 2014-09-16 | Basf Se | Process for preparing formic acid |
| CN104812731A (en) | 2012-11-27 | 2015-07-29 | 巴斯夫欧洲公司 | Method for producing formic acid |
| US9428438B2 (en) | 2012-11-27 | 2016-08-30 | Basf Se | Process for preparing formic acid |
| CN109053421A (en) * | 2018-09-18 | 2018-12-21 | 福建师范大学福清分校 | The device and method of mixed acid waste water during a kind of extraction-partition wall rectification process Carboxylic Acid Fibre is plain |
| CN117545734A (en) | 2021-05-14 | 2024-02-09 | 瑞环控股株式会社 | Process for recovering carboxylic acid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2408011A1 (en) * | 1974-02-20 | 1975-09-04 | Hoechst Ag | METHOD FOR OBTAINING TECHNICALLY PURE ACETIC ACID BY EXTRACTIVE DISTILLATION |
-
1975
- 1975-10-11 DE DE2545658A patent/DE2545658C2/en not_active Expired
-
1976
- 1976-09-29 IT IT27806/76A patent/IT1068121B/en active
- 1976-10-07 NL NLAANVRAGE7611111,A patent/NL188405C/en not_active IP Right Cessation
- 1976-10-07 CA CA262,961A patent/CA1065889A/en not_active Expired
- 1976-10-07 BR BR7606734A patent/BR7606734A/en unknown
- 1976-10-07 GB GB41693/76A patent/GB1554172A/en not_active Expired
- 1976-10-08 FR FR7630284A patent/FR2327215A1/en active Granted
- 1976-10-08 NO NO763447A patent/NO148068C/en unknown
- 1976-10-09 ES ES452288A patent/ES452288A1/en not_active Expired
- 1976-10-11 BE BE171402A patent/BE847154A/en not_active IP Right Cessation
- 1976-10-12 JP JP51121368A patent/JPS6016410B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6016410B2 (en) | 1985-04-25 |
| DE2545658C2 (en) | 1985-12-19 |
| CA1065889A (en) | 1979-11-06 |
| NL188405C (en) | 1992-06-16 |
| NL7611111A (en) | 1977-04-13 |
| JPS5248614A (en) | 1977-04-18 |
| BR7606734A (en) | 1977-11-16 |
| GB1554172A (en) | 1979-10-17 |
| FR2327215A1 (en) | 1977-05-06 |
| NO148068C (en) | 1983-08-03 |
| DE2545658A1 (en) | 1977-04-21 |
| ES452288A1 (en) | 1978-03-01 |
| NO148068B (en) | 1983-04-25 |
| BE847154A (en) | 1977-04-12 |
| FR2327215B1 (en) | 1980-05-09 |
| IT1068121B (en) | 1985-03-21 |