BE368350A - Procédé pour la production d'urée - Google Patents
Procédé pour la production d'uréeInfo
- Publication number
- BE368350A BE368350A BE368350A BE368350A BE368350A BE 368350 A BE368350 A BE 368350A BE 368350 A BE368350 A BE 368350A BE 368350 A BE368350 A BE 368350A BE 368350 A BE368350 A BE 368350A
- Authority
- BE
- Belgium
- Prior art keywords
- ammonia
- urea
- carbonic acid
- pressure
- distillation
- Prior art date
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
- C07C273/04—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 from carbon dioxide and ammonia
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI37509D DE511465C (de) | 1929-03-20 | 1929-03-20 | Verfahren zur Aufarbeiten von Ammoniak und Kohlensaeure enthaltenden Harnstoffschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE368350A true BE368350A (fr) | 1930-04-30 |
Family
ID=7189535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE368350A BE368350A (fr) | 1929-03-20 | 1930-03-06 | Procédé pour la production d'urée |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE368350A (de) |
| DE (1) | DE511465C (de) |
| FR (1) | FR691069A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0569629A1 (de) * | 1992-05-11 | 1993-11-18 | Union Oil Company of California, dba UNOCAL | Verfahren zur Herstellung von saueren Harnstofflösungen |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1153358B (de) * | 1957-06-18 | 1963-08-29 | Stamicarbon | Verfahren zur Herstellung von Biuret |
| DE102006022896A1 (de) * | 2006-05-15 | 2007-11-22 | Röhm Gmbh | Verfahren zur Herstellung von Alpha-Hydroxycarbonsäuren |
-
1929
- 1929-03-20 DE DEI37509D patent/DE511465C/de not_active Expired
-
1930
- 1930-03-04 FR FR691069D patent/FR691069A/fr not_active Expired
- 1930-03-06 BE BE368350A patent/BE368350A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0569629A1 (de) * | 1992-05-11 | 1993-11-18 | Union Oil Company of California, dba UNOCAL | Verfahren zur Herstellung von saueren Harnstofflösungen |
Also Published As
| Publication number | Publication date |
|---|---|
| DE511465C (de) | 1930-11-01 |
| FR691069A (fr) | 1930-10-01 |
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