NO148068C - PROCEDURE FOR THE RECOVERY OF CARBOXYL ACIDS FROM Aqueous SOLUTIONS THROUGH EXTRACTION WITH SECONDARY AMIDS AS EXTRACTING AGENTS - Google Patents

PROCEDURE FOR THE RECOVERY OF CARBOXYL ACIDS FROM Aqueous SOLUTIONS THROUGH EXTRACTION WITH SECONDARY AMIDS AS EXTRACTING AGENTS

Info

Publication number
NO148068C
NO148068C NO763447A NO763447A NO148068C NO 148068 C NO148068 C NO 148068C NO 763447 A NO763447 A NO 763447A NO 763447 A NO763447 A NO 763447A NO 148068 C NO148068 C NO 148068C
Authority
NO
Norway
Prior art keywords
amids
recovery
extraction
procedure
aqueous solutions
Prior art date
Application number
NO763447A
Other languages
Norwegian (no)
Other versions
NO148068B (en
NO763447L (en
Inventor
Heinz Hohenschutz
Johannes E Schmidt
Hans Kiefer
Original Assignee
Basf Ag
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 Ag filed Critical Basf Ag
Publication of NO763447L publication Critical patent/NO763447L/no
Publication of NO148068B publication Critical patent/NO148068B/en
Publication of NO148068C publication Critical patent/NO148068C/en

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)
NO763447A 1975-10-11 1976-10-08 PROCEDURE FOR THE RECOVERY OF CARBOXYL ACIDS FROM Aqueous SOLUTIONS THROUGH EXTRACTION WITH SECONDARY AMIDS AS EXTRACTING AGENTS NO148068C (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 (3)

Publication Number Publication Date
NO763447L NO763447L (en) 1977-04-13
NO148068B NO148068B (en) 1983-04-25
NO148068C true 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)

* 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
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
US8901350B2 (en) 2010-06-29 2014-12-02 Basf Se Process for the preparation of formic acid
KR20130088838A (en) 2010-06-29 2013-08-08 바스프 에스이 Method for producing formic acid
US8835683B2 (en) 2011-12-20 2014-09-16 Basf Se Process for preparing 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
EP2794540A1 (en) 2011-12-20 2014-10-29 Basf Se Process for preparing formic acid
US9428438B2 (en) 2012-11-27 2016-08-30 Basf Se Process for preparing formic acid
WO2014082845A1 (en) 2012-11-27 2014-06-05 Basf Se Method for producing 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
US20240270674A1 (en) 2021-05-14 2024-08-15 Refine Holdings Co., Ltd. Method 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

Also Published As

Publication number Publication date
FR2327215B1 (en) 1980-05-09
DE2545658C2 (en) 1985-12-19
ES452288A1 (en) 1978-03-01
BE847154A (en) 1977-04-12
NL7611111A (en) 1977-04-13
CA1065889A (en) 1979-11-06
JPS5248614A (en) 1977-04-18
BR7606734A (en) 1977-11-16
IT1068121B (en) 1985-03-21
NL188405C (en) 1992-06-16
JPS6016410B2 (en) 1985-04-25
GB1554172A (en) 1979-10-17
NO148068B (en) 1983-04-25
NO763447L (en) 1977-04-13
FR2327215A1 (en) 1977-05-06
DE2545658A1 (en) 1977-04-21

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