GB757016A - Process for the production of ammonium carbamate - Google Patents
Process for the production of ammonium carbamateInfo
- Publication number
- GB757016A GB757016A GB33904/54A GB3390454A GB757016A GB 757016 A GB757016 A GB 757016A GB 33904/54 A GB33904/54 A GB 33904/54A GB 3390454 A GB3390454 A GB 3390454A GB 757016 A GB757016 A GB 757016A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- ammonia
- production
- ammonium carbamate
- carbon dioxide
- 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 compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 title abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 229910021529 ammonia Inorganic materials 0.000 abstract 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
- 239000001569 carbon dioxide Substances 0.000 abstract 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000008246 gaseous mixture Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/12—Carbamic acid or thiocarbamic acid; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A solution comprising ammonium carbamate, ammonia and water for the production of urea is produced by condensing a gaseous mixture of ammonia and carbon dioxide at a pressure of 20-45 atmos. and a temperature of 60-90 DEG C. preferably 70-85 DEG C. in the presence of liquid ammonia containing not more than 25 per cent, preferably less than 12 per cent. of water. Condensation may be aided by external cooling. Water and liquid ammonia may be fed separately to the condensing vessel. The water may previously have been used to remove residual ammonia and carbon dioxide from the gases passing out of the condenser.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT757016X | 1952-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB757016A true GB757016A (en) | 1956-09-12 |
Family
ID=11315813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33904/54A Expired GB757016A (en) | 1952-03-11 | 1953-03-09 | Process for the production of ammonium carbamate |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB757016A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3330222A1 (en) * | 2016-12-01 | 2018-06-06 | Loughborough University | Process for reducing nitrogen oxides |
-
1953
- 1953-03-09 GB GB33904/54A patent/GB757016A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3330222A1 (en) * | 2016-12-01 | 2018-06-06 | Loughborough University | Process for reducing nitrogen oxides |
| WO2018100187A1 (en) * | 2016-12-01 | 2018-06-07 | Loughborough University | Producing ammonium carbamate and reducing nitrogen oxides |
| CN110099866A (en) * | 2016-12-01 | 2019-08-06 | 拉夫堡大学 | Generate aminoquinoxaline and nitrogen oxides reduction |
| US10695719B2 (en) | 2016-12-01 | 2020-06-30 | Loughborough University | Producing ammonium carbamate and reducing nitrogen oxides |
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