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
NO763447L (en
NO148068B (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
CA2801580A1 (en) 2010-06-29 2012-01-05 Basf Se Process for the preparation of formic acid
US8889905B2 (en) 2011-12-20 2014-11-18 Basf Se Process for preparing formic acid
JP2015501848A (en) 2011-12-20 2015-01-19 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ Method for producing formic acid
US8835683B2 (en) 2011-12-20 2014-09-16 Basf Se Process for preparing formic acid
BR112014015187A8 (en) 2011-12-20 2017-07-04 Basf Se process for obtaining formic acid
WO2014082845A1 (en) 2012-11-27 2014-06-05 Basf Se 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
WO2022239847A1 (en) 2021-05-14 2022-11-17 リファインホールディングス株式会社 Method for collecting 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
JPS5248614A (en) 1977-04-18
BE847154A (en) 1977-04-12
NO763447L (en) 1977-04-13
CA1065889A (en) 1979-11-06
NO148068B (en) 1983-04-25
DE2545658C2 (en) 1985-12-19
GB1554172A (en) 1979-10-17
ES452288A1 (en) 1978-03-01
JPS6016410B2 (en) 1985-04-25
DE2545658A1 (en) 1977-04-21
BR7606734A (en) 1977-11-16
FR2327215B1 (en) 1980-05-09
FR2327215A1 (en) 1977-05-06
NL7611111A (en) 1977-04-13
IT1068121B (en) 1985-03-21
NL188405C (en) 1992-06-16

Similar Documents

Publication Publication Date Title
NO148068C (en) PROCEDURE FOR THE RECOVERY OF CARBOXYL ACIDS FROM Aqueous SOLUTIONS THROUGH EXTRACTION WITH SECONDARY AMIDS AS EXTRACTING AGENTS
IL39710A0 (en) Recovery of acids from aqueous solutions by solvent extraction
NO155008C (en) PROCEDURE FOR THE RECOVERY OF ETHYLENE OXIDE FROM Aqueous Ethylene Oxide Solutions.
NO147339C (en) PROCEDURE FOR THE PREPARATION OF SULFURIC ACID.
NO147599C (en) PROCEDURE FOR THE PREPARATION OF Lactic Acid.
NO147314C (en) PROCEDURES FOR OIL OIL EXTRACTION FROM OIL OIL FORMS BY INJECTING A Aqueous SOLUTION CONTAINING SURFACE ACTIVE COMPOUNDS
NO144419C (en) PROCEDURE FOR THE EXTRACTION OF PURE ACID ACID
SE7614474L (en) PROCEDURE FOR SELECTIVE EXTRACTION OF MOLYBDE FROM WATER SOLUTIONS
IL49704A0 (en) Process for extracting metal values from aqueous solution
DK154976C (en) PROCEDURE FOR PREPARING 5-AROYL-1-LOWER GENERIC CHYL PYRROL-2-ACETIC ACID DERIVATIVES
NO152782C (en) PROCEDURE FOR SELECTIVE EXTRACTION OF YTTRIUM IONS FROM Aqueous SOLUTION ALSO CONTAINING LANTANIDIONS.
NO139118C (en) PROCEDURE FOR EXTRACTION OF NITRATES FROM NITRATIVE SOLUTIONS.
DK431176A (en) PROCEDURE FOR PREPARING HYPOLIPEMIC PHENYLACIC ACID DERIVATIVES
SE7611335L (en) MAGNESIUM RECOVERY PROCEDURE
IL52552A (en) Solvent extraction process for preparing phospate salts with recovery of organic solvent from the aqueous raffinate
DK435576A (en) METHOD FOR SEWING REMOVAL FROM WATER
DE2860476D1 (en) Process for the recovery of manganese from aqueous acidic solutions
DK146413C (en) PROCEDURE FOR THE EXTRACTION OF DIMETHYL CARBONATE
PL200768A1 (en) METHOD OF RECOVERING URANIUM FROM Aqueous PHOSPHORIC ACID SOLUTION BY WET METHOD
DK138545B (en) Analogous process for the preparation of 17α-alpha-hydroxy-3-oxo-D-homoandrost-4-ene-17α beta-carboxylic acid derivatives.
SE7604721L (en) PROCEDURE FOR EXTRACTING GLYCIN FROM SODIUM SULPHATE SOLUTIONS
DK293976A (en) PROCEDURE FOR REMOVING VINYLCHRID MONOMES FROM POLYVINYLORIDE
NL7606526A (en) PROCEDURE FOR THE EXTRACTION OF SALTS OF HEAVY METALS FROM DILUTED Aqueous SOLUTIONS.
NO144155C (en) PROCEDURE FOR THE RECOVERY OF NICKEL FROM AMMONIACAL SOLUTIONS.
DK137383B (en) Analogous process for the preparation of 5-carboxyalkyl-2-iminobarbitur or 2-thioxobarbituric acid derivatives.