SE380791B - Forfarande for separation av ettiksyra, vatten och myrsyra genom azeotrop destillation - Google Patents

Forfarande for separation av ettiksyra, vatten och myrsyra genom azeotrop destillation

Info

Publication number
SE380791B
SE380791B SE7011887A SE1188770A SE380791B SE 380791 B SE380791 B SE 380791B SE 7011887 A SE7011887 A SE 7011887A SE 1188770 A SE1188770 A SE 1188770A SE 380791 B SE380791 B SE 380791B
Authority
SE
Sweden
Prior art keywords
acid
separation
procedure
water
ethic
Prior art date
Application number
SE7011887A
Other languages
English (en)
Inventor
R L Aga
H R Debus
Original Assignee
Labofina Sa
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 Labofina Sa filed Critical Labofina Sa
Publication of SE380791B publication Critical patent/SE380791B/sv

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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
    • 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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SE7011887A 1970-07-31 1970-09-01 Forfarande for separation av ettiksyra, vatten och myrsyra genom azeotrop destillation SE380791B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3719970 1970-07-31

Publications (1)

Publication Number Publication Date
SE380791B true SE380791B (sv) 1975-11-17

Family

ID=10394588

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7011887A SE380791B (sv) 1970-07-31 1970-09-01 Forfarande for separation av ettiksyra, vatten och myrsyra genom azeotrop destillation

Country Status (12)

Country Link
US (1) US3801629A (sv)
AT (1) AT299148B (sv)
BE (1) BE755846A (sv)
CA (1) CA929127A (sv)
CH (1) CH515205A (sv)
DE (1) DE2043689C3 (sv)
ES (1) ES385509A1 (sv)
FR (1) FR2082982A5 (sv)
GB (1) GB1314054A (sv)
NL (1) NL7015752A (sv)
NO (1) NO134111C (sv)
SE (1) SE380791B (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT365080B (de) * 1980-03-14 1981-12-10 Kanzler Walter Verfahren zur extraktion von essigsaeure, ameisen- saeure, gegebenenfalls furfurol
US4692219A (en) * 1986-12-03 1987-09-08 Celanese Chemical Co. Separation of formic acid from acetic acid by extractive distillation
US4909907A (en) * 1987-09-21 1990-03-20 Hoechst Celanese Chemical Co. Separation of formic acid from acetic acid by extractive distillation with acetyl salicylic acid
US5227029A (en) * 1993-01-29 1993-07-13 Lloyd Berg Separation of formic acid from acetic acid by extractive distillation
DE102022123269A1 (de) 2022-09-13 2024-03-14 proFagus GmbH Verfahren zur Anreicherung von Essigsäure aus wässrigen Essigsäuremischungen, die andere niedere Carbonsäuren enthalten

Also Published As

Publication number Publication date
DE2043689C3 (de) 1974-05-02
US3801629A (en) 1974-04-02
AT299148B (de) 1972-06-12
BE755846A (fr) 1971-02-15
CA929127A (en) 1973-06-26
NO134111C (sv) 1976-08-18
ES385509A1 (es) 1973-03-16
NL7015752A (sv) 1972-02-02
NO134111B (sv) 1976-05-10
DE2043689A1 (de) 1972-02-17
GB1314054A (en) 1973-04-18
CH515205A (fr) 1971-11-15
FR2082982A5 (sv) 1971-12-10

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