ES402547A1 - Procedimiento para descomponer carbamato amonico en una so-lucion acuosa de urea. - Google Patents
Procedimiento para descomponer carbamato amonico en una so-lucion acuosa de urea.Info
- Publication number
- ES402547A1 ES402547A1 ES402547A ES402547A ES402547A1 ES 402547 A1 ES402547 A1 ES 402547A1 ES 402547 A ES402547 A ES 402547A ES 402547 A ES402547 A ES 402547A ES 402547 A1 ES402547 A1 ES 402547A1
- Authority
- ES
- Spain
- Prior art keywords
- ammonium carbamate
- urea
- ammonia
- water
- decomposition
- 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
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical group [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 title abstract 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 title abstract 3
- 238000000354 decomposition reaction Methods 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 4
- 239000004202 carbamide Substances 0.000 abstract 4
- 229910021529 ammonia Inorganic materials 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 239000007792 gaseous phase Substances 0.000 abstract 2
- 239000007791 liquid phase Substances 0.000 abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US237644*A US3929878A (en) | 1971-05-10 | 1971-05-10 | Decomposition of ammonium carbamate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES402547A1 true ES402547A1 (es) | 1976-01-16 |
Family
ID=22894572
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES402547A Expired ES402547A1 (es) | 1971-05-10 | 1972-05-09 | Procedimiento para descomponer carbamato amonico en una so-lucion acuosa de urea. |
| ES429725A Expired ES429725A1 (es) | 1971-05-10 | 1974-09-02 | Un aparato de descomposicion de tubo y carcasa para descom-poner carbamato amonico en una solucion acuosa de urea. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES429725A Expired ES429725A1 (es) | 1971-05-10 | 1974-09-02 | Un aparato de descomposicion de tubo y carcasa para descom-poner carbamato amonico en una solucion acuosa de urea. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3929878A (OSRAM) |
| BE (1) | BE783170A (OSRAM) |
| BR (1) | BR7202788D0 (OSRAM) |
| CA (1) | CA1020579A (OSRAM) |
| DE (1) | DE2222461A1 (OSRAM) |
| ES (2) | ES402547A1 (OSRAM) |
| FR (2) | FR2137555B1 (OSRAM) |
| GB (1) | GB1384790A (OSRAM) |
| IT (1) | IT961164B (OSRAM) |
| NL (1) | NL7206233A (OSRAM) |
| TR (1) | TR17730A (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036878A (en) * | 1972-06-12 | 1977-07-19 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
| SU643549A1 (ru) * | 1975-11-21 | 1979-01-25 | Волжское объединение по производству легковых автомобилей | Способ карбонитрировани стальных и чугунных изделий |
| US4988491A (en) * | 1989-04-11 | 1991-01-29 | Christiaan Van Dijk | Flexible integration of the production of ammonia and urea |
| WO2001096287A1 (en) * | 2000-06-15 | 2001-12-20 | Urea Casale S.A. | Process and plant for the production of urea |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3137725A (en) * | 1960-02-11 | 1964-06-16 | Chemical Construction Corp | Heat recovery in urea synthesis process |
| NL145541B (nl) * | 1964-02-17 | 1975-04-15 | Allied Chem | Werkwijze voor het ontleden van ammoniumcarbamaat. |
-
1971
- 1971-05-10 US US237644*A patent/US3929878A/en not_active Expired - Lifetime
-
1972
- 1972-04-26 GB GB1925572A patent/GB1384790A/en not_active Expired
- 1972-05-04 BR BR2788/72A patent/BR7202788D0/pt unknown
- 1972-05-05 FR FR7216092A patent/FR2137555B1/fr not_active Expired
- 1972-05-05 CA CA141,394A patent/CA1020579A/en not_active Expired
- 1972-05-08 DE DE19722222461 patent/DE2222461A1/de active Pending
- 1972-05-08 BE BE783170A patent/BE783170A/xx unknown
- 1972-05-08 NL NL7206233A patent/NL7206233A/xx not_active Application Discontinuation
- 1972-05-09 IT IT24109/72A patent/IT961164B/it active
- 1972-05-09 ES ES402547A patent/ES402547A1/es not_active Expired
- 1972-05-10 TR TR17730A patent/TR17730A/xx unknown
- 1972-09-27 FR FR7234082A patent/FR2154616B1/fr not_active Expired
-
1974
- 1974-09-02 ES ES429725A patent/ES429725A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1384790A (en) | 1975-02-19 |
| FR2154616A1 (OSRAM) | 1973-05-11 |
| FR2154616B1 (OSRAM) | 1979-01-12 |
| BE783170A (fr) | 1972-09-01 |
| IT961164B (it) | 1973-12-10 |
| FR2137555B1 (OSRAM) | 1979-08-17 |
| TR17730A (tr) | 1975-07-23 |
| ES429725A1 (es) | 1976-10-01 |
| BR7202788D0 (pt) | 1973-06-14 |
| DE2222461A1 (de) | 1972-11-23 |
| FR2137555A1 (OSRAM) | 1972-12-29 |
| CA1020579A (en) | 1977-11-08 |
| NL7206233A (OSRAM) | 1972-11-14 |
| US3929878A (en) | 1975-12-30 |
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