FR1374371A - Process for the absorption of formaldehyde contained in a gas - Google Patents
Process for the absorption of formaldehyde contained in a gasInfo
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation 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
- C07C273/025—Preparation 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
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)
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 |
-
1963
- 1963-06-08 FR FR937472A patent/FR1374371A/en not_active Expired
Cited By (1)
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 |
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