DE2222461A1 - Verfahren und Vorrichtung zur Zersetzung von Ammoniumkarbamat - Google Patents
Verfahren und Vorrichtung zur Zersetzung von AmmoniumkarbamatInfo
- Publication number
- DE2222461A1 DE2222461A1 DE19722222461 DE2222461A DE2222461A1 DE 2222461 A1 DE2222461 A1 DE 2222461A1 DE 19722222461 DE19722222461 DE 19722222461 DE 2222461 A DE2222461 A DE 2222461A DE 2222461 A1 DE2222461 A1 DE 2222461A1
- Authority
- DE
- Germany
- Prior art keywords
- outlet
- jacket
- decomposer
- tube
- lbs
- 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.)
- Pending
Links
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical group [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 title claims description 21
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 20
- 238000000354 decomposition reaction Methods 0.000 title claims description 13
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 68
- 239000004202 carbamide Substances 0.000 claims description 68
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 46
- 239000007791 liquid phase Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 26
- 229910021529 ammonia Inorganic materials 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000007792 gaseous phase Substances 0.000 claims description 22
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 13
- 239000012071 phase Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 1
- 239000001569 carbon dioxide Substances 0.000 claims 1
- 238000005253 cladding Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 description 47
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 20
- 238000000926 separation method Methods 0.000 description 16
- 239000000047 product Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 239000006227 byproduct Substances 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 210000002700 urine Anatomy 0.000 description 3
- 241000220317 Rosa Species 0.000 description 2
- 241000033695 Sige Species 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000002485 urinary effect Effects 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 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 |
|---|---|
| DE2222461A1 true DE2222461A1 (de) | 1972-11-23 |
Family
ID=22894572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722222461 Pending DE2222461A1 (de) | 1971-05-10 | 1972-05-08 | Verfahren und Vorrichtung zur Zersetzung von Ammoniumkarbamat |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3929878A (enExample) |
| BE (1) | BE783170A (enExample) |
| BR (1) | BR7202788D0 (enExample) |
| CA (1) | CA1020579A (enExample) |
| DE (1) | DE2222461A1 (enExample) |
| ES (2) | ES402547A1 (enExample) |
| FR (2) | FR2137555B1 (enExample) |
| GB (1) | GB1384790A (enExample) |
| IT (1) | IT961164B (enExample) |
| NL (1) | NL7206233A (enExample) |
| TR (1) | TR17730A (enExample) |
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 |
| UA73996C2 (en) * | 2000-06-15 | 2005-10-17 | Urea Casale Sa | A process for the production of urea (variants), a mechanism for the production of urea and method for modernization of the mechanism 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 |
|---|---|
| FR2154616A1 (enExample) | 1973-05-11 |
| FR2154616B1 (enExample) | 1979-01-12 |
| FR2137555B1 (enExample) | 1979-08-17 |
| CA1020579A (en) | 1977-11-08 |
| ES429725A1 (es) | 1976-10-01 |
| NL7206233A (enExample) | 1972-11-14 |
| ES402547A1 (es) | 1976-01-16 |
| BE783170A (fr) | 1972-09-01 |
| TR17730A (tr) | 1975-07-23 |
| BR7202788D0 (pt) | 1973-06-14 |
| FR2137555A1 (enExample) | 1972-12-29 |
| GB1384790A (en) | 1975-02-19 |
| IT961164B (it) | 1973-12-10 |
| US3929878A (en) | 1975-12-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |