GB1440624A - Production of urea - Google Patents
Production of ureaInfo
- Publication number
- GB1440624A GB1440624A GB1335873A GB1335873A GB1440624A GB 1440624 A GB1440624 A GB 1440624A GB 1335873 A GB1335873 A GB 1335873A GB 1335873 A GB1335873 A GB 1335873A GB 1440624 A GB1440624 A GB 1440624A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urea
- reaction vessel
- water
- production
- produced
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 5
- 239000004202 carbamide Substances 0.000 title abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000004064 recycling 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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH422472A CH562786A5 (enrdf_load_stackoverflow) | 1972-03-22 | 1972-03-22 | |
| AU53427/73A AU466929B2 (en) | 1972-03-22 | 1973-03-19 | Process for preparing urea |
| NL7303877A NL7303877A (enrdf_load_stackoverflow) | 1972-03-22 | 1973-03-20 | |
| DE19732314148 DE2314148A1 (de) | 1972-03-22 | 1973-03-21 | Verfahren zur gewinnung von harnstoff |
| GB1335873A GB1440624A (en) | 1972-03-22 | 1973-07-03 | Production of urea |
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 |
|---|---|
| GB1440624A true GB1440624A (en) | 1976-06-23 |
Family
ID=25694953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1335873A Expired GB1440624A (en) | 1972-03-22 | 1973-07-03 | Production of urea |
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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989001468A1 (en) * | 1987-08-13 | 1989-02-23 | Austral-Pacific Fertilizers Ltd. | Process for enhanced urea production |
| US6342632B1 (en) | 1995-02-01 | 2002-01-29 | Urea Casale | 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
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989001468A1 (en) * | 1987-08-13 | 1989-02-23 | Austral-Pacific Fertilizers Ltd. | Process for enhanced urea production |
| US5053538A (en) * | 1987-08-13 | 1991-10-01 | Austral-Pacific Fertilizers Ltd. | Process for enhanced urea production |
| US6730278B2 (en) | 1995-01-27 | 2004-05-04 | Urea Casale | Process and plant for the production of urea with high conversion yield and low energy consumption |
| US6342632B1 (en) | 1995-02-01 | 2002-01-29 | Urea Casale | Process and plant for the production of urea with high conversion yield and low energy consumption |
| EP0796244B2 (en) † | 1995-02-01 | 2003-03-05 | Urea Casale S.A. | Process and plant for the production of urea with high conversion yield and low energy consumption |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7303877A (enrdf_load_stackoverflow) | 1973-09-25 |
| AU5342773A (en) | 1974-09-19 |
| CH562786A5 (enrdf_load_stackoverflow) | 1975-06-13 |
| AU466929B2 (en) | 1975-11-13 |
| DE2314148A1 (de) | 1973-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |