CH352323A - Verfahren zur Herstellung von Harnstoff - Google Patents
Verfahren zur Herstellung von HarnstoffInfo
- Publication number
- CH352323A CH352323A CH352323DA CH352323A CH 352323 A CH352323 A CH 352323A CH 352323D A CH352323D A CH 352323DA CH 352323 A CH352323 A CH 352323A
- Authority
- CH
- Switzerland
- Prior art keywords
- urea
- production
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/08—Preparation of ammonia from nitrogenous organic substances
- C01C1/086—Preparation of ammonia from nitrogenous organic substances from urea
-
- 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
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US186492A US3193353A (en) | 1962-04-10 | 1962-04-10 | Method of removing carbon dioxide from ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH352323A true CH352323A (de) | 1961-02-28 |
Family
ID=22685169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH352323D CH352323A (de) | 1962-04-10 | 1957-01-24 | Verfahren zur Herstellung von Harnstoff |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3193353A (de) |
| BE (1) | BE564100A (de) |
| CH (1) | CH352323A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3155722A (en) * | 1960-01-29 | 1964-11-03 | Chemical Construction Corp | Recovery of residual ammonia and carbon dioxide in the synthesis of urea |
| FR1423412A (fr) * | 1964-09-08 | 1966-01-03 | Snam Spa | Procédé pour la fabrication de l'urée par synthèse à partir de l'ammoniac et de l'anhydride carbonique, comportant un recyclage total de la partie non transformée en urée |
| US3337297A (en) * | 1965-02-08 | 1967-08-22 | Chemical Construction Corp | Process for combined production of ammonia and ammonium salts |
| US3383173A (en) * | 1965-12-30 | 1968-05-14 | Chevron Res | Ammonia purification |
| NL137130C (de) * | 1966-01-20 | 1900-01-01 | ||
| IT1065422B (it) * | 1976-12-23 | 1985-02-25 | Snam Progetti | Processo ammoniaca-urea integrato per la produzione di urea |
| US10457609B2 (en) | 2015-12-21 | 2019-10-29 | Stamicarbon B.V. | Urea ammonium nitrate production |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB271852A (en) * | 1926-05-28 | 1927-11-10 | Ig Farbenindustrie Ag | Improvements in and means for the extraction of carbon dioxide from gaseous mixtures |
| US2913493A (en) * | 1956-10-03 | 1959-11-17 | Hydrocarbon Research Inc | Urea synthesis |
-
0
- BE BE564100D patent/BE564100A/xx unknown
-
1957
- 1957-01-24 CH CH352323D patent/CH352323A/de unknown
-
1962
- 1962-04-10 US US186492A patent/US3193353A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3193353A (en) | 1965-07-06 |
| BE564100A (de) | 1900-01-01 |
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