NL188405C - PROCESS FOR THE EXTRACTION OF CARBONIC ACIDS FROM WATER-CONTAINING SOLUTIONS - Google Patents

PROCESS FOR THE EXTRACTION OF CARBONIC ACIDS FROM WATER-CONTAINING SOLUTIONS

Info

Publication number
NL188405C
NL188405C NLAANVRAGE7611111,A NL7611111A NL188405C NL 188405 C NL188405 C NL 188405C NL 7611111 A NL7611111 A NL 7611111A NL 188405 C NL188405 C NL 188405C
Authority
NL
Netherlands
Prior art keywords
extraction
water
containing solutions
carbonic acids
carbonic
Prior art date
Application number
NLAANVRAGE7611111,A
Other languages
Dutch (nl)
Other versions
NL7611111A (en
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 NL7611111A publication Critical patent/NL7611111A/en
Application granted granted Critical
Publication of NL188405C publication Critical patent/NL188405C/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)
NLAANVRAGE7611111,A 1975-10-11 1976-10-07 PROCESS FOR THE EXTRACTION OF CARBONIC ACIDS FROM WATER-CONTAINING SOLUTIONS NL188405C (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 (2)

Publication Number Publication Date
NL7611111A NL7611111A (en) 1977-04-13
NL188405C true NL188405C (en) 1992-06-16

Family

ID=5958936

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7611111,A NL188405C (en) 1975-10-11 1976-10-07 PROCESS FOR THE EXTRACTION OF CARBONIC ACIDS FROM WATER-CONTAINING 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)

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
BR112012032211A2 (en) 2010-06-29 2016-11-29 Basf Se "process for obtaining formic acid".
US8889905B2 (en) 2011-12-20 2014-11-18 Basf Se Process for preparing formic acid
US8835683B2 (en) 2011-12-20 2014-09-16 Basf Se Process for preparing formic acid
KR20140105577A (en) 2011-12-20 2014-09-01 바스프 에스이 Process for preparing formic acid
RU2014129625A (en) 2011-12-20 2016-02-10 Басф Се METHOD FOR PRODUCING 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
EP4339183A1 (en) 2021-05-14 2024-03-20 Refine Holdings Co., Ltd. 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
ES452288A1 (en) 1978-03-01
CA1065889A (en) 1979-11-06
NO763447L (en) 1977-04-13
JPS5248614A (en) 1977-04-18
DE2545658C2 (en) 1985-12-19
NO148068C (en) 1983-08-03
BE847154A (en) 1977-04-12
IT1068121B (en) 1985-03-21
DE2545658A1 (en) 1977-04-21
NL7611111A (en) 1977-04-13
BR7606734A (en) 1977-11-16
FR2327215A1 (en) 1977-05-06
GB1554172A (en) 1979-10-17
NO148068B (en) 1983-04-25
FR2327215B1 (en) 1980-05-09
JPS6016410B2 (en) 1985-04-25

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

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