GB1554172A - Isolation of carboxylic acids from their aqueous solutions - Google Patents

Isolation of carboxylic acids from their aqueous solutions

Info

Publication number
GB1554172A
GB1554172A GB41693/76A GB4169376A GB1554172A GB 1554172 A GB1554172 A GB 1554172A GB 41693/76 A GB41693/76 A GB 41693/76A GB 4169376 A GB4169376 A GB 4169376A GB 1554172 A GB1554172 A GB 1554172A
Authority
GB
United Kingdom
Prior art keywords
isolation
carboxylic acids
aqueous solutions
aqueous
solutions
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB41693/76A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Publication of GB1554172A publication Critical patent/GB1554172A/en
Expired legal-status Critical Current

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)
GB41693/76A 1975-10-11 1976-10-07 Isolation of carboxylic acids from their aqueous solutions Expired GB1554172A (en)

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 (1)

Publication Number Publication Date
GB1554172A true GB1554172A (en) 1979-10-17

Family

ID=5958936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41693/76A Expired GB1554172A (en) 1975-10-11 1976-10-07 Isolation of carboxylic acids from their aqueous solutions

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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206433A (en) * 1984-05-14 1993-04-27 Basf Aktiengesellschaft Preparation of formic acid
US8901350B2 (en) 2010-06-29 2014-12-02 Basf Se Process for the preparation of 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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
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
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
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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206433A (en) * 1984-05-14 1993-04-27 Basf Aktiengesellschaft Preparation of formic acid
US8901350B2 (en) 2010-06-29 2014-12-02 Basf Se Process for the preparation of 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

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
FR2327215A1 (en) 1977-05-06
NO148068C (en) 1983-08-03
DE2545658A1 (en) 1977-04-21
NO763447L (en) 1977-04-13
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

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19961006