CH416592A - Process for purifying formaldehyde - Google Patents

Process for purifying formaldehyde

Info

Publication number
CH416592A
CH416592A CH371962A CH371962A CH416592A CH 416592 A CH416592 A CH 416592A CH 371962 A CH371962 A CH 371962A CH 371962 A CH371962 A CH 371962A CH 416592 A CH416592 A CH 416592A
Authority
CH
Switzerland
Prior art keywords
purifying formaldehyde
formaldehyde
purifying
Prior art date
Application number
CH371962A
Other languages
German (de)
Inventor
Gredo Guido
Micheli Angelo De
Rabizzoni Antonio
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of CH416592A publication Critical patent/CH416592A/en

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
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH371962A 1961-03-30 1962-03-28 Process for purifying formaldehyde CH416592A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT562761 1961-03-30

Publications (1)

Publication Number Publication Date
CH416592A true CH416592A (en) 1966-07-15

Family

ID=11120351

Family Applications (1)

Application Number Title Priority Date Filing Date
CH371962A CH416592A (en) 1961-03-30 1962-03-28 Process for purifying formaldehyde

Country Status (5)

Country Link
BE (1) BE615778A (en)
CH (1) CH416592A (en)
DE (1) DE1171895B (en)
ES (1) ES276180A1 (en)
GB (1) GB987457A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112691569A (en) * 2020-12-04 2021-04-23 茌平银河化工有限公司 Methanol evaporation oxidation device for silver method formaldehyde production

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19748380A1 (en) * 1997-10-31 1999-05-06 Hoechst Ag Process for the purification of formaldehyde, its use and plastics made therewith

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE888101C (en) * 1943-04-09 1953-08-31 Henkel & Cie Gmbh Process for improving the recovery of condensates from the waste gases from paraffin oxidation
GB714821A (en) * 1951-10-20 1954-09-01 Celanese Corp Concentrated formaldehyde solutions
GB838097A (en) * 1955-06-30 1960-06-22 Borden Co Process for preparing formaldehyde in stable form

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112691569A (en) * 2020-12-04 2021-04-23 茌平银河化工有限公司 Methanol evaporation oxidation device for silver method formaldehyde production

Also Published As

Publication number Publication date
BE615778A (en) 1962-07-16
DE1171895B (en) 1964-06-11
GB987457A (en) 1965-03-31
ES276180A1 (en) 1962-10-01

Similar Documents

Publication Publication Date Title
CH439754A (en) Process for the etherification of solid polyols
CH434227A (en) Process for purifying adipinedinitrile
CH479534A (en) Process for purifying 1-aminoadamantane
CH439755A (en) Process for curing epoxy compounds
AT262587B (en) Process for impregnating wood
CH422509A (en) Process for hardening layers containing protein
CH411338A (en) Process for stabilizing polypropylene
CH484202A (en) Process for purifying interferon
AT239206B (en) Process for purifying glycols
CH454327A (en) Process for purifying hydrocarbons
CH399479A (en) Process for purifying polymyxins
CH471764A (en) Process for purifying xylenol
CH393282A (en) Process for purifying titanium trichloride
CH416592A (en) Process for purifying formaldehyde
CH437799A (en) Process for the production of formaldehyde copolymers
CH416097A (en) Process for stabilizing trioxane copolymers
CH431080A (en) Process for the preparation of formaldehyde copolymers
CH417955A (en) Process for stabilizing polyacetals
CH392477A (en) Process for the hydrogenation of aldehydes
CH436243A (en) Process for the purification of gaseous formaldehyde
AT244054B (en) Process for stabilizing polyacetals
CH393284A (en) Process for purifying titanium trichloride
AT248685B (en) Process for purifying polyolefins
CH393332A (en) Process for purifying e-caprolactam
AT244320B (en) Process for the purification of gaseous formaldehyde