GB1268430A - Process for the production of urea - Google Patents
Process for the production of ureaInfo
- Publication number
- GB1268430A GB1268430A GB56005/69A GB5600569A GB1268430A GB 1268430 A GB1268430 A GB 1268430A GB 56005/69 A GB56005/69 A GB 56005/69A GB 5600569 A GB5600569 A GB 5600569A GB 1268430 A GB1268430 A GB 1268430A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urea
- reactor
- aqueous solution
- ammonium carbamate
- inert gas
- 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 6
- 239000004202 carbamide Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 4
- 239000007864 aqueous solution Substances 0.000 abstract 4
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 4
- 239000011261 inert gas Substances 0.000 abstract 3
- 238000010924 continuous production Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000002317 scanning near-field acoustic microscopy Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Lead Frames For Integrated Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2513168 | 1968-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1268430A true GB1268430A (en) | 1972-03-29 |
Family
ID=11215793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB56005/69A Expired GB1268430A (en) | 1968-12-16 | 1969-11-14 | Process for the production of urea |
Country Status (19)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2167066A (en) * | 1984-11-02 | 1986-05-21 | Toyo Engineering Corp | Process for producing urea |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| JPS53102724A (en) * | 1977-02-18 | 1978-09-07 | Matsushita Electric Ind Co Ltd | Magnetic head and its manufacture |
| JPS5575833U (enrdf_load_stackoverflow) * | 1978-11-15 | 1980-05-24 | ||
| EA201791374A1 (ru) | 2014-12-18 | 2017-10-31 | Стамикарбон Б.В. | Способ производства карбамида |
-
1969
- 1969-11-14 GB GB56005/69A patent/GB1268430A/en not_active Expired
- 1969-12-08 NL NLAANVRAGE6918420,A patent/NL169465C/xx not_active IP Right Cessation
- 1969-12-09 IE IE1653/69A patent/IE33879B1/xx unknown
- 1969-12-09 ZM ZM176/69A patent/ZM17669A1/xx unknown
- 1969-12-11 YU YU3104/69A patent/YU39894B/xx unknown
- 1969-12-12 AT AT1160069A patent/AT305303B/de not_active IP Right Cessation
- 1969-12-15 DK DK662269A patent/DK145081C/da active
- 1969-12-15 JP JP44100165A patent/JPS4828422B1/ja active Pending
- 1969-12-15 CA CA069,917A patent/CA975797A/en not_active Expired
- 1969-12-15 ES ES374565A patent/ES374565A1/es not_active Expired
- 1969-12-15 DE DE19691962862 patent/DE1962862A1/de active Pending
- 1969-12-15 NO NO4946/69A patent/NO135868C/no unknown
- 1969-12-16 BE BE743187D patent/BE743187A/xx not_active IP Right Cessation
- 1969-12-16 LU LU60025D patent/LU60025A1/xx unknown
- 1969-12-16 RO RO61877A patent/RO59626A/ro unknown
- 1969-12-16 BR BR215202/69A patent/BR6915202D0/pt unknown
- 1969-12-16 CH CH1869269A patent/CH507213A/fr not_active IP Right Cessation
- 1969-12-16 FR FR6943429A patent/FR2026261A1/fr not_active Withdrawn
- 1969-12-16 CS CS8294A patent/CS152343B2/cs unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2167066A (en) * | 1984-11-02 | 1986-05-21 | Toyo Engineering Corp | Process for producing urea |
Also Published As
| Publication number | Publication date |
|---|---|
| NO135868C (enrdf_load_stackoverflow) | 1977-06-15 |
| BE743187A (enrdf_load_stackoverflow) | 1970-05-28 |
| LU60025A1 (enrdf_load_stackoverflow) | 1970-02-16 |
| NO135868B (enrdf_load_stackoverflow) | 1977-03-07 |
| BR6915202D0 (pt) | 1973-03-08 |
| DE1962862A1 (de) | 1970-07-02 |
| ES374565A1 (es) | 1972-01-01 |
| DK145081B (da) | 1982-08-23 |
| JPS4828422B1 (enrdf_load_stackoverflow) | 1973-09-01 |
| NL169465C (nl) | 1982-07-16 |
| CA975797A (en) | 1975-10-07 |
| IE33879L (en) | 1970-06-16 |
| NL6918420A (enrdf_load_stackoverflow) | 1970-06-18 |
| AT305303B (de) | 1973-02-26 |
| FR2026261A1 (enrdf_load_stackoverflow) | 1970-09-18 |
| CS152343B2 (enrdf_load_stackoverflow) | 1973-12-19 |
| DK145081C (da) | 1983-01-31 |
| NL169465B (nl) | 1982-02-16 |
| IE33879B1 (en) | 1974-11-27 |
| YU310469A (en) | 1982-02-28 |
| RO59626A (enrdf_load_stackoverflow) | 1976-08-15 |
| CH507213A (fr) | 1971-05-15 |
| ZM17669A1 (en) | 1970-05-18 |
| YU39894B (en) | 1985-06-30 |
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