NO157534C - Fremgangsmaate til destillativ utvinning av maursyre fra dens blandinger med visse loesningsmidler. - Google Patents

Fremgangsmaate til destillativ utvinning av maursyre fra dens blandinger med visse loesningsmidler.

Info

Publication number
NO157534C
NO157534C NO842152A NO842152A NO157534C NO 157534 C NO157534 C NO 157534C NO 842152 A NO842152 A NO 842152A NO 842152 A NO842152 A NO 842152A NO 157534 C NO157534 C NO 157534C
Authority
NO
Norway
Prior art keywords
acid
mixtures
procedure
certain solvents
distillation
Prior art date
Application number
NO842152A
Other languages
English (en)
Norwegian (no)
Other versions
NO842152L (no
NO157534B (no
Inventor
Kaspar Bott
Gerd Kaibel
Horst Hartmann
Rudolf Irnich
Horst Buelow
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 NO842152L publication Critical patent/NO842152L/no
Publication of NO157534B publication Critical patent/NO157534B/no
Publication of NO157534C publication Critical patent/NO157534C/no

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
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural 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)
  • Saccharide Compounds (AREA)
  • Detergent Compositions (AREA)
NO842152A 1983-05-31 1984-05-30 Fremgangsmaate til destillativ utvinning av maursyre fra dens blandinger med visse loesningsmidler. NO157534C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833319651 DE3319651A1 (de) 1983-05-31 1983-05-31 Verfahren zur destillativen gewinnung von ameisensaeure

Publications (3)

Publication Number Publication Date
NO842152L NO842152L (no) 1984-12-03
NO157534B NO157534B (no) 1987-12-28
NO157534C true NO157534C (no) 1988-04-06

Family

ID=6200285

Family Applications (1)

Application Number Title Priority Date Filing Date
NO842152A NO157534C (no) 1983-05-31 1984-05-30 Fremgangsmaate til destillativ utvinning av maursyre fra dens blandinger med visse loesningsmidler.

Country Status (10)

Country Link
US (1) US4551208A (da)
EP (1) EP0127836B1 (da)
JP (1) JPS59227838A (da)
AT (1) ATE21384T1 (da)
CA (1) CA1211736A (da)
DE (2) DE3319651A1 (da)
DK (1) DK267184A (da)
ES (1) ES532947A0 (da)
FI (1) FI82924C (da)
NO (1) NO157534C (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4670105A (en) * 1986-04-07 1987-06-02 Lloyd Berg Dehydration of propanoic acid by extractive distillation
US4840707A (en) * 1988-12-30 1989-06-20 Lloyd Berg Separation of 3-methyl-2-butanone from formic acid by extractive distillation
US4994151A (en) * 1989-07-14 1991-02-19 Lloyd Berg Separation of 4-methyl-2-pentanone from formic acid by extractive distillation with dimethylamides
DE4023353A1 (de) * 1990-07-23 1992-01-30 Basf Ag Verfahren zur gewinnung von carbonsaeuren aus ihren waessrigen loesungen
US5092965A (en) * 1991-05-02 1992-03-03 Lloyd Berg Separation of 4-methyl-2-pentanone from acetic acid by extractive distillation with DMFA
US5399751A (en) * 1993-11-05 1995-03-21 Glitsch, Inc. Method for recovering carboxylic acids from aqueous solutions
DE4444979A1 (de) * 1994-12-16 1996-06-20 Basf Ag Verfahren und Vorrichtung zur Gewinnung von Ameisensäure
DE10002794A1 (de) * 2000-01-24 2001-07-26 Basf Ag Abwasserreinigung beim Verfahren zur Herstellung von wasserfreier Ameisensäure
DE10002793A1 (de) * 2000-01-24 2001-07-26 Basf Ag Verwendung eines Extraktionsmittels bei der Herstellung von wasserfreier Ameisensäure
JP2005154435A (ja) * 2003-11-07 2005-06-16 Mitsubishi Chemicals Corp モノカルボン酸の分離方法

Family Cites Families (4)

* 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
US4217460A (en) * 1975-10-11 1980-08-12 Basf Aktiengesellschaft Isolation of formic acid from its aqueous solutions
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

Also Published As

Publication number Publication date
FI841946A (fi) 1984-12-01
DK267184A (da) 1984-12-01
JPS59227838A (ja) 1984-12-21
FI841946A0 (fi) 1984-05-15
FI82924B (fi) 1991-01-31
ES8505916A1 (es) 1985-06-16
NO842152L (no) 1984-12-03
ES532947A0 (es) 1985-06-16
DK267184D0 (da) 1984-05-30
ATE21384T1 (de) 1986-08-15
CA1211736A (en) 1986-09-23
DE3460473D1 (en) 1986-09-18
NO157534B (no) 1987-12-28
FI82924C (fi) 1991-05-10
JPH0456813B2 (da) 1992-09-09
US4551208A (en) 1985-11-05
DE3319651A1 (de) 1984-12-06
EP0127836B1 (de) 1986-08-13
EP0127836A1 (de) 1984-12-12

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