[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

FR1374371A - Process for the absorption of formaldehyde contained in a gas - Google Patents

Process for the absorption of formaldehyde contained in a gas

Info

Publication number
FR1374371A
FR1374371A FR937472A FR937472A FR1374371A FR 1374371 A FR1374371 A FR 1374371A FR 937472 A FR937472 A FR 937472A FR 937472 A FR937472 A FR 937472A FR 1374371 A FR1374371 A FR 1374371A
Authority
FR
France
Prior art keywords
absorption
gas
formaldehyde contained
formaldehyde
contained
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
FR937472A
Other languages
French (fr)
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Priority to FR937472A priority Critical patent/FR1374371A/en
Application granted granted Critical
Publication of FR1374371A publication Critical patent/FR1374371A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/025Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds of solutions of urea and 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
    • C07C45/783Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR937472A 1963-06-08 1963-06-08 Process for the absorption of formaldehyde contained in a gas Expired FR1374371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR937472A FR1374371A (en) 1963-06-08 1963-06-08 Process for the absorption of formaldehyde contained in a gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR937472A FR1374371A (en) 1963-06-08 1963-06-08 Process for the absorption of formaldehyde contained in a gas

Publications (1)

Publication Number Publication Date
FR1374371A true FR1374371A (en) 1964-10-09

Family

ID=8805620

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937472A Expired FR1374371A (en) 1963-06-08 1963-06-08 Process for the absorption of formaldehyde contained in a gas

Country Status (1)

Country Link
FR (1) FR1374371A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083427A1 (en) * 1981-12-31 1983-07-13 BASF Aktiengesellschaft Process for the preparation of concentrated aqueous solutions of formaldehyde and urea

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083427A1 (en) * 1981-12-31 1983-07-13 BASF Aktiengesellschaft Process for the preparation of concentrated aqueous solutions of formaldehyde and urea

Similar Documents

Publication Publication Date Title
FR91459E (en) Gas liquefaction process
CH512917A (en) Carbon dioxide absorption cartridge
CH377186A (en) Pleated structure and process for its manufacture
FR1230972A (en) Method and device for the production of energy discharges in gases
CH360462A (en) Hypodermic syringe and process for its manufacture
FR1365699A (en) Hypodermic needle and process for its manufacture
FR1228647A (en) Uranium purification process
FR1374371A (en) Process for the absorption of formaldehyde contained in a gas
CH444121A (en) Gas washing process
BE787799A (en) NITROUS WASTE GAS ABSORPTION PROCESS
FR84289E (en) Gas purification process
FR1470361A (en) Carbon dioxide purification process
FR1178661A (en) Improvement in the process of cooling a gas in a bitherm isotopic exchange
CH524388A (en) Process for the enrichment of an isotopic gas mixture
BE633360A (en) Process for the absorption of formaldehyde from gases containing formaldehyde
FR1525302A (en) Process for the removal by chlorine of sulphurous gas contained in gas mixtures
FR1242591A (en) Uranium recovery process
FR1362398A (en) Process for the absorption of formaldehyde from a gas containing formaldehyde while forming a concentrated solution containing formaldehyde and melamine
FR1505735A (en) Vapor absorption process
FR71166E (en) Gas purification process
FR1537887A (en) Gas recycling process
FR1436746A (en) Polonium extraction process
FR1412628A (en) Gas storage process in underground caverns
FR1337379A (en) Gas purification process
FR1345673A (en) Diffusion of a gas in a liquid