GB1556962A - Method for recovering formaldehyde from aqueous solutions thereof - Google Patents

Method for recovering formaldehyde from aqueous solutions thereof

Info

Publication number
GB1556962A
GB1556962A GB4680577A GB4680577A GB1556962A GB 1556962 A GB1556962 A GB 1556962A GB 4680577 A GB4680577 A GB 4680577A GB 4680577 A GB4680577 A GB 4680577A GB 1556962 A GB1556962 A GB 1556962A
Authority
GB
United Kingdom
Prior art keywords
aqueous solutions
recovering formaldehyde
formaldehyde
recovering
aqueous
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4680577A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STERLITAMAX OPYTPROMYSH NEFTEK
Original Assignee
STERLITAMAX OPYTPROMYSH NEFTEK
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 STERLITAMAX OPYTPROMYSH NEFTEK filed Critical STERLITAMAX OPYTPROMYSH NEFTEK
Priority to GB4680577A priority Critical patent/GB1556962A/en
Publication of GB1556962A publication Critical patent/GB1556962A/en
Expired legal-status Critical Current

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
    • C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups
    • C07C41/50—Preparation of compounds having groups by reactions producing groups
    • C07C41/56—Preparation of compounds having groups by reactions producing groups by condensation of aldehydes, paraformaldehyde, or ketones
    • 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)
GB4680577A 1977-11-10 1977-11-10 Method for recovering formaldehyde from aqueous solutions thereof Expired GB1556962A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4680577A GB1556962A (en) 1977-11-10 1977-11-10 Method for recovering formaldehyde from aqueous solutions thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4680577A GB1556962A (en) 1977-11-10 1977-11-10 Method for recovering formaldehyde from aqueous solutions thereof

Publications (1)

Publication Number Publication Date
GB1556962A true GB1556962A (en) 1979-12-05

Family

ID=10442663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4680577A Expired GB1556962A (en) 1977-11-10 1977-11-10 Method for recovering formaldehyde from aqueous solutions thereof

Country Status (1)

Country Link
GB (1) GB1556962A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100575319C (en) * 2006-12-31 2009-12-30 淄博齐鲁乙烯鲁华化工有限公司 Circulating solvent uses the method for azeotropic dehydration in the C5 extraction separation diene
CN113511965A (en) * 2021-04-29 2021-10-19 潍坊惠丰化工有限公司 Process method for extracting and concentrating dilute formaldehyde aqueous solution by composite solvent

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100575319C (en) * 2006-12-31 2009-12-30 淄博齐鲁乙烯鲁华化工有限公司 Circulating solvent uses the method for azeotropic dehydration in the C5 extraction separation diene
CN113511965A (en) * 2021-04-29 2021-10-19 潍坊惠丰化工有限公司 Process method for extracting and concentrating dilute formaldehyde aqueous solution by composite solvent
CN113511965B (en) * 2021-04-29 2023-04-25 潍坊惠丰化工有限公司 Process method for concentrating dilute formaldehyde aqueous solution by composite solvent extraction

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee