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CH398533A - Verfahren zur destillativen Trennung von Acetaldehyd aus wässerigen Lösungen - Google Patents

Verfahren zur destillativen Trennung von Acetaldehyd aus wässerigen Lösungen

Info

Publication number
CH398533A
CH398533A CH540162A CH540162A CH398533A CH 398533 A CH398533 A CH 398533A CH 540162 A CH540162 A CH 540162A CH 540162 A CH540162 A CH 540162A CH 398533 A CH398533 A CH 398533A
Authority
CH
Switzerland
Prior art keywords
acetaldehyde
distillation
separation
aqueous solutions
aqueous
Prior art date
Application number
CH540162A
Other languages
English (en)
Inventor
Raymond Dr Perren
Original Assignee
Lonza 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 Lonza Ag filed Critical Lonza Ag
Priority to CH540162A priority Critical patent/CH398533A/de
Priority to GB17634/63A priority patent/GB980301A/en
Publication of CH398533A publication Critical patent/CH398533A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
    • C07C47/21—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C47/22—Acryaldehyde; Methacryaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH540162A 1962-05-04 1962-05-04 Verfahren zur destillativen Trennung von Acetaldehyd aus wässerigen Lösungen CH398533A (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH540162A CH398533A (de) 1962-05-04 1962-05-04 Verfahren zur destillativen Trennung von Acetaldehyd aus wässerigen Lösungen
GB17634/63A GB980301A (en) 1962-05-04 1963-05-03 A process for separating acetaldehyde by distillation from its aqueous solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH540162A CH398533A (de) 1962-05-04 1962-05-04 Verfahren zur destillativen Trennung von Acetaldehyd aus wässerigen Lösungen

Publications (1)

Publication Number Publication Date
CH398533A true CH398533A (de) 1966-03-15

Family

ID=4292946

Family Applications (1)

Application Number Title Priority Date Filing Date
CH540162A CH398533A (de) 1962-05-04 1962-05-04 Verfahren zur destillativen Trennung von Acetaldehyd aus wässerigen Lösungen

Country Status (2)

Country Link
CH (1) CH398533A (de)
GB (1) GB980301A (de)

Also Published As

Publication number Publication date
GB980301A (en) 1965-01-13

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