FI913496A - Menetelmä karboksyylihappojen talteenottamiseksi niiden vesipitoisista liuoksista - Google Patents

Menetelmä karboksyylihappojen talteenottamiseksi niiden vesipitoisista liuoksista Download PDF

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Publication number
FI913496A
FI913496A FI913496A FI913496A FI913496A FI 913496 A FI913496 A FI 913496A FI 913496 A FI913496 A FI 913496A FI 913496 A FI913496 A FI 913496A FI 913496 A FI913496 A FI 913496A
Authority
FI
Finland
Prior art keywords
carboxylic acids
aqueous solutions
recovering carboxylic
recovering
aqueous
Prior art date
Application number
FI913496A
Other languages
English (en)
Swedish (sv)
Other versions
FI97054B (fi
FI97054C (fi
FI913496A0 (fi
Inventor
Hans Kiefer
Werner Reutemann
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 FI913496A0 publication Critical patent/FI913496A0/fi
Publication of FI913496A publication Critical patent/FI913496A/fi
Publication of FI97054B publication Critical patent/FI97054B/fi
Application granted granted Critical
Publication of FI97054C publication Critical patent/FI97054C/fi

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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)
FI913496A 1990-07-23 1991-07-19 Menetelmä karboksyylihappojen talteenottamiseksi niiden vesipitoisista liuoksista FI97054C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4023353 1990-07-23
DE4023353A DE4023353A1 (de) 1990-07-23 1990-07-23 Verfahren zur gewinnung von carbonsaeuren aus ihren waessrigen loesungen

Publications (4)

Publication Number Publication Date
FI913496A0 FI913496A0 (fi) 1991-07-19
FI913496A true FI913496A (fi) 1992-01-24
FI97054B FI97054B (fi) 1996-06-28
FI97054C FI97054C (fi) 1996-10-10

Family

ID=6410837

Family Applications (1)

Application Number Title Priority Date Filing Date
FI913496A FI97054C (fi) 1990-07-23 1991-07-19 Menetelmä karboksyylihappojen talteenottamiseksi niiden vesipitoisista liuoksista

Country Status (6)

Country Link
US (1) US5189216A (fi)
EP (1) EP0468303B1 (fi)
JP (1) JP2960577B2 (fi)
DE (2) DE4023353A1 (fi)
ES (1) ES2060258T3 (fi)
FI (1) FI97054C (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4211141A1 (de) * 1992-04-03 1993-10-07 Basf Ag Verfahren zur Herstellung von Ameisensäure durch thermische Spaltung von quartären Ammoniumformiaten
EP0597151A1 (en) * 1992-11-10 1994-05-18 Universiteit Twente Method for preparing formic acid
US5728872A (en) * 1994-06-27 1998-03-17 Lutz Riemenschneider Stabilized acrylic acid compositions
DE19747789A1 (de) * 1997-10-29 1999-05-06 Basf Ag Extraktionsmittelsysteme aus Amiden und Trialkylaminen zur Extraktion von Carbonsäuren
EP2067749A1 (en) * 2007-11-29 2009-06-10 Total Petrochemicals France Process for purification of an aqueous phase containing polyaromatics
DE102008053315A1 (de) 2008-10-27 2010-04-29 Kiefer, Hans, Dr. Verbessertes Verfahren zur Herstellung von Tetrahydrofuran (THF)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2568095A (en) * 1949-04-29 1951-09-18 Standard Oil Co Recovery of organic acids with an amine solvent
US4217460A (en) * 1975-10-11 1980-08-12 Basf Aktiengesellschaft Isolation of formic acid from its aqueous solutions
DE2545658C2 (de) * 1975-10-11 1985-12-19 Basf Ag, 6700 Ludwigshafen Verfahren zur Gewinnung von Carbonsäuren aus ihren wäßrigen Lösungen
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.
DE3319651A1 (de) * 1983-05-31 1984-12-06 Basf Ag, 6700 Ludwigshafen Verfahren zur destillativen gewinnung von ameisensaeure
DE3428319A1 (de) * 1984-08-01 1986-02-13 Hüls AG, 4370 Marl Verfahren zur gewinnung wasserfreier bzw. weitgehendwasserfreier ameisensaeure

Also Published As

Publication number Publication date
US5189216A (en) 1993-02-23
DE4023353A1 (de) 1992-01-30
ES2060258T3 (es) 1994-11-16
FI97054B (fi) 1996-06-28
JP2960577B2 (ja) 1999-10-06
EP0468303B1 (de) 1994-09-28
DE59103093D1 (de) 1994-11-03
FI97054C (fi) 1996-10-10
JPH04234348A (ja) 1992-08-24
EP0468303A1 (de) 1992-01-29
FI913496A0 (fi) 1991-07-19

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