CA1065889A - Isolation of carboxylic acids from their aqueous solutions - Google Patents

Isolation of carboxylic acids from their aqueous solutions

Info

Publication number
CA1065889A
CA1065889A CA262,961A CA262961A CA1065889A CA 1065889 A CA1065889 A CA 1065889A CA 262961 A CA262961 A CA 262961A CA 1065889 A CA1065889 A CA 1065889A
Authority
CA
Canada
Prior art keywords
acid
extractant
aqueous solutions
carboxylic acids
radicals
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
CA262,961A
Other languages
English (en)
French (fr)
Inventor
Heinz Hohenschutz
Johannes E. Schmidt
Hans Kiefer
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
Application granted granted Critical
Publication of CA1065889A publication Critical patent/CA1065889A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/48Separation; 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)
CA262,961A 1975-10-11 1976-10-07 Isolation of carboxylic acids from their aqueous solutions Expired CA1065889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2545658A DE2545658C2 (de) 1975-10-11 1975-10-11 Verfahren zur Gewinnung von Carbonsäuren aus ihren wäßrigen Lösungen

Publications (1)

Publication Number Publication Date
CA1065889A true CA1065889A (en) 1979-11-06

Family

ID=5958936

Family Applications (1)

Application Number Title Priority Date Filing Date
CA262,961A Expired CA1065889A (en) 1975-10-11 1976-10-07 Isolation of carboxylic acids from their aqueous solutions

Country Status (11)

Country Link
JP (1) JPS6016410B2 (enrdf_load_stackoverflow)
BE (1) BE847154A (enrdf_load_stackoverflow)
BR (1) BR7606734A (enrdf_load_stackoverflow)
CA (1) CA1065889A (enrdf_load_stackoverflow)
DE (1) DE2545658C2 (enrdf_load_stackoverflow)
ES (1) ES452288A1 (enrdf_load_stackoverflow)
FR (1) FR2327215A1 (enrdf_load_stackoverflow)
GB (1) GB1554172A (enrdf_load_stackoverflow)
IT (1) IT1068121B (enrdf_load_stackoverflow)
NL (1) NL188405C (enrdf_load_stackoverflow)
NO (1) NO148068C (enrdf_load_stackoverflow)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853991A1 (de) * 1978-12-14 1980-07-03 Basf Ag Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure
DE2914671A1 (de) * 1979-04-11 1980-10-23 Basf Ag Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure
NL8103517A (nl) * 1981-07-24 1983-02-16 Badger Bv Werkwijze voor het scheiden van carbonzuren van mengsels met niet-zuren door een absorptie-stripbehandeling.
DE3411384A1 (de) * 1984-03-28 1985-10-10 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure durch hydrolyse von methylformiat
DE3417790A1 (de) * 1984-05-14 1985-11-14 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von ameisensaeure
DE4023353A1 (de) * 1990-07-23 1992-01-30 Basf Ag Verfahren zur gewinnung von carbonsaeuren aus ihren waessrigen loesungen
DE4211141A1 (de) * 1992-04-03 1993-10-07 Basf Ag Verfahren zur Herstellung von Ameisensäure durch thermische Spaltung von quartären Ammoniumformiaten
US5728872A (en) * 1994-06-27 1998-03-17 Lutz Riemenschneider Stabilized acrylic acid compositions
DE10002793A1 (de) * 2000-01-24 2001-07-26 Basf Ag Verwendung eines Extraktionsmittels bei der Herstellung von wasserfreier Ameisensäure
DE102008053315A1 (de) 2008-10-27 2010-04-29 Kiefer, Hans, Dr. Verbessertes Verfahren zur Herstellung von Tetrahydrofuran (THF)
BR112012032211A2 (pt) 2010-06-29 2016-11-29 Basf Se "processo para obter ácido fórmico".
US8901350B2 (en) 2010-06-29 2014-12-02 Basf Se Process for the preparation of formic acid
WO2013092157A1 (de) 2011-12-20 2013-06-27 Basf Se Verfahren zur herstellung von ameisensäure
US8835683B2 (en) 2011-12-20 2014-09-16 Basf Se Process for preparing formic acid
RU2014129625A (ru) 2011-12-20 2016-02-10 Басф Се Способ получения муравьиной кислоты
US8889905B2 (en) 2011-12-20 2014-11-18 Basf Se Process for preparing formic acid
US9428438B2 (en) 2012-11-27 2016-08-30 Basf Se Process for preparing formic acid
WO2014082845A1 (de) 2012-11-27 2014-06-05 Basf Se Verfahren zur herstellung von ameisensäure
CN109053421A (zh) * 2018-09-18 2018-12-21 福建师范大学福清分校 一种萃取-分隔壁精馏处理羧酸纤维素中混合酸废水的设备及方法
EP4339183A1 (en) 2021-05-14 2024-03-20 Refine Holdings Co., Ltd. Method for collecting carboxylic acid
JPWO2024106470A1 (enrdf_load_stackoverflow) 2022-11-16 2024-05-23

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2408011A1 (de) * 1974-02-20 1975-09-04 Hoechst Ag Verfahren zur gewinnung von technisch reiner essigsaeure durch extraktivdestillation

Also Published As

Publication number Publication date
ES452288A1 (es) 1978-03-01
FR2327215A1 (fr) 1977-05-06
BE847154A (fr) 1977-04-12
JPS5248614A (en) 1977-04-18
GB1554172A (en) 1979-10-17
NL188405C (nl) 1992-06-16
BR7606734A (pt) 1977-11-16
DE2545658A1 (de) 1977-04-21
IT1068121B (it) 1985-03-21
NO763447L (enrdf_load_stackoverflow) 1977-04-13
FR2327215B1 (enrdf_load_stackoverflow) 1980-05-09
JPS6016410B2 (ja) 1985-04-25
NO148068B (no) 1983-04-25
DE2545658C2 (de) 1985-12-19
NL7611111A (nl) 1977-04-13
NO148068C (no) 1983-08-03

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