FR1429640A - Process for recovering urea from waste gases originating from the synthesis of melamine from urea, in the gas phase, and freed from melamine - Google Patents
Process for recovering urea from waste gases originating from the synthesis of melamine from urea, in the gas phase, and freed from melamineInfo
- Publication number
- FR1429640A FR1429640A FR11050A FR11050A FR1429640A FR 1429640 A FR1429640 A FR 1429640A FR 11050 A FR11050 A FR 11050A FR 11050 A FR11050 A FR 11050A FR 1429640 A FR1429640 A FR 1429640A
- Authority
- FR
- France
- Prior art keywords
- melamine
- urea
- freed
- synthesis
- gas phase
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR11050A FR1429640A (en) | 1964-03-28 | 1965-03-29 | Process for recovering urea from waste gases originating from the synthesis of melamine from urea, in the gas phase, and freed from melamine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB76110A DE1204679B (en) | 1964-03-28 | 1964-03-28 | Process for separating urea from the waste gases freed from melamine from the melamine synthesis from urea carried out in the gas phase |
FR11050A FR1429640A (en) | 1964-03-28 | 1965-03-29 | Process for recovering urea from waste gases originating from the synthesis of melamine from urea, in the gas phase, and freed from melamine |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1429640A true FR1429640A (en) | 1966-02-25 |
Family
ID=25967007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR11050A Expired FR1429640A (en) | 1964-03-28 | 1965-03-29 | Process for recovering urea from waste gases originating from the synthesis of melamine from urea, in the gas phase, and freed from melamine |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1429640A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2314182A1 (en) * | 1975-06-10 | 1977-01-07 | Basf Ag | PROCESS FOR COOLING THE RESIDUAL REACTION GASES IN THE MELAMINE SYNTHESIS |
-
1965
- 1965-03-29 FR FR11050A patent/FR1429640A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2314182A1 (en) * | 1975-06-10 | 1977-01-07 | Basf Ag | PROCESS FOR COOLING THE RESIDUAL REACTION GASES IN THE MELAMINE SYNTHESIS |
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