DE2314148A1 - Verfahren zur gewinnung von harnstoff - Google Patents
Verfahren zur gewinnung von harnstoffInfo
- Publication number
- DE2314148A1 DE2314148A1 DE19732314148 DE2314148A DE2314148A1 DE 2314148 A1 DE2314148 A1 DE 2314148A1 DE 19732314148 DE19732314148 DE 19732314148 DE 2314148 A DE2314148 A DE 2314148A DE 2314148 A1 DE2314148 A1 DE 2314148A1
- Authority
- DE
- Germany
- Prior art keywords
- urea
- reactor
- molar ratio
- melt
- ammonia
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 25
- 239000004202 carbamide Substances 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 40
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 35
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 21
- 229910001868 water Inorganic materials 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 238000010924 continuous production Methods 0.000 claims description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 11
- VTVVPPOHYJJIJR-UHFFFAOYSA-N carbon dioxide;hydrate Chemical compound O.O=C=O VTVVPPOHYJJIJR-UHFFFAOYSA-N 0.000 description 7
- 239000000155 melt Substances 0.000 description 7
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 4
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002918 waste heat 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH422472A CH562786A5 (enrdf_load_stackoverflow) | 1972-03-22 | 1972-03-22 | |
| GB1335873A GB1440624A (en) | 1972-03-22 | 1973-07-03 | Production of urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2314148A1 true DE2314148A1 (de) | 1973-10-04 |
Family
ID=25694953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732314148 Pending DE2314148A1 (de) | 1972-03-22 | 1973-03-21 | Verfahren zur gewinnung von harnstoff |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU466929B2 (enrdf_load_stackoverflow) |
| CH (1) | CH562786A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2314148A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1440624A (enrdf_load_stackoverflow) |
| NL (1) | NL7303877A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN169678B (enrdf_load_stackoverflow) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
| ZA96686B (en) | 1995-02-01 | 1996-08-16 | Urea Casale Sa | Process and plant for the production of urea with high conversion yield and low energy consumption |
-
1972
- 1972-03-22 CH CH422472A patent/CH562786A5/xx not_active IP Right Cessation
-
1973
- 1973-03-19 AU AU53427/73A patent/AU466929B2/en not_active Expired
- 1973-03-20 NL NL7303877A patent/NL7303877A/xx not_active Application Discontinuation
- 1973-03-21 DE DE19732314148 patent/DE2314148A1/de active Pending
- 1973-07-03 GB GB1335873A patent/GB1440624A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1440624A (en) | 1976-06-23 |
| CH562786A5 (enrdf_load_stackoverflow) | 1975-06-13 |
| AU466929B2 (en) | 1975-11-13 |
| AU5342773A (en) | 1974-09-19 |
| NL7303877A (enrdf_load_stackoverflow) | 1973-09-25 |
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