BE586089A - Procédé de purification de formaldéhyde. - Google Patents

Procédé de purification de formaldéhyde.

Info

Publication number
BE586089A
BE586089A BE586089A BE586089A BE586089A BE 586089 A BE586089 A BE 586089A BE 586089 A BE586089 A BE 586089A BE 586089 A BE586089 A BE 586089A BE 586089 A BE586089 A BE 586089A
Authority
BE
Belgium
Prior art keywords
purification process
formaldehyde purification
formaldehyde
purification
Prior art date
Application number
BE586089A
Other languages
English (en)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of BE586089A publication Critical patent/BE586089A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00Compounds having —CHO groups
    • C07C47/02Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/04Formaldehyde
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/36Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
    • C07C29/38Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00Ethers; Compounds having groups, groups or groups
    • C07C43/30Compounds having groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/002Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by dehydrogenation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
    • C07C45/38Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a primary hydroxyl group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/75Reactions with formaldehyde
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/81Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE586089A 1958-12-27 1959-12-28 Procédé de purification de formaldéhyde. BE586089A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1958F0027380 DE1139825B (de) 1958-12-27 1958-12-27 Verfahren zur Herstellung von reinem alkoholfreiemFormaldehyd.

Publications (1)

Publication Number Publication Date
BE586089A true BE586089A (fr) 1960-06-28

Family

ID=7092420

Family Applications (1)

Application Number Title Priority Date Filing Date
BE586089A BE586089A (fr) 1958-12-27 1959-12-28 Procédé de purification de formaldéhyde.

Country Status (3)

Country Link
BE (1) BE586089A (fr)
DE (1) DE1139825B (fr)
GB (1) GB917643A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE560841A (fr) * 1953-07-16

Also Published As

Publication number Publication date
DE1139825B (de) 1962-11-22
GB917643A (en) 1963-02-06

Similar Documents

Publication Publication Date Title
BE619121A (fr) Procédé de filtration.
DK114197B (da) Fremgangsmåde ved fremstilling af urinstof.
FR1333711A (fr) Procédé de fabrication des 6-méthyl-3-oxo-delta4,6-stéroïdes
FR1211002A (fr) Procédé de polymérisation du formaldéhyde
FR1231070A (fr) Procédé de purification de phénols
BE580260A (fr) Procédé de purification du silicium.
FR1198950A (fr) Procédé de purification des polyoléfines
FR1233796A (fr) Procédé de brasage
FR1297641A (fr) Procédé de préfilage
BE578925A (fr) Procédé de fabrication de tôles en ferrosilicium.
BE604628A (fr) Procédé de purification du phénol.
BE586089A (fr) Procédé de purification de formaldéhyde.
BE578812A (fr) Procédé de double retordage.
FR1287368A (fr) Procédé de purification des gibberellines
FR1308823A (fr) Procédé de purification de polyoléfines
FR1285908A (fr) Procédé de purification du formaldéhyde
FR1194596A (fr) Procédé perfectionné de métallisation
BE585254A (fr) Procédé de polymérisation du formaldéhyde.
BE575703A (fr) Procédé perfectionné de production de borures.
BE575165A (fr) Procédé de filtration.
FR1228098A (fr) Procédé de purification de la pénicilline v.
FR1213808A (fr) Procédé de construction
BE577169A (fr) Procédé de teinture.
BE575261A (fr) Procédé de purification de pénicilline V.
BE601892A (fr) Procédé de purification du formaldéhyde