GB1272873A - Process for the production of urea - Google Patents
Process for the production of ureaInfo
- Publication number
- GB1272873A GB1272873A GB49366A GB4936670A GB1272873A GB 1272873 A GB1272873 A GB 1272873A GB 49366 A GB49366 A GB 49366A GB 4936670 A GB4936670 A GB 4936670A GB 1272873 A GB1272873 A GB 1272873A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urea
- aqueous solution
- reactor
- stripper
- gaseous products
- 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 7
- 239000004202 carbamide Substances 0.000 title abstract 7
- 239000007864 aqueous solution Substances 0.000 abstract 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 3
- 239000011261 inert gas Substances 0.000 abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 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
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000002317 scanning near-field acoustic microscopy Methods 0.000 abstract 1
- 238000005979 thermal decomposition reaction 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)
- Fertilizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2344069 | 1969-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1272873A true GB1272873A (en) | 1972-05-03 |
Family
ID=11207092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB49366A Expired GB1272873A (en) | 1969-10-16 | 1970-10-16 | Process for the production of urea |
Country Status (22)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2489323A1 (fr) * | 1980-08-29 | 1982-03-05 | Snam Progetti | Procede de production d'uree |
| GB2167066A (en) * | 1984-11-02 | 1986-05-21 | Toyo Engineering Corp | Process for producing urea |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO150512C (no) * | 1977-05-05 | 1984-10-31 | Montedison Spa | Fremgangsmaate ved fremstilling av urea. |
| JPS5517346A (en) * | 1978-07-24 | 1980-02-06 | Toyo Eng Corp | Synthetic method of urea |
-
0
- BE BE757274D patent/BE757274A/xx not_active IP Right Cessation
-
1970
- 1970-09-29 PL PL1970143534A patent/PL81118B1/pl unknown
- 1970-10-06 ZA ZA706778A patent/ZA706778B/xx unknown
- 1970-10-07 YU YU2472/70A patent/YU35114B/xx unknown
- 1970-10-08 FR FR7036330A patent/FR2065166A5/fr not_active Expired
- 1970-10-09 CS CS683870A patent/CS157687B2/cs unknown
- 1970-10-09 CS CS104073*1A patent/CS157688B2/cs unknown
- 1970-10-12 SE SE7013781A patent/SE373837B/xx unknown
- 1970-10-12 CH CH1504370A patent/CH527170A/fr not_active IP Right Cessation
- 1970-10-13 LU LU61859D patent/LU61859A1/xx unknown
- 1970-10-13 ZM ZM112/70A patent/ZM11270A1/xx unknown
- 1970-10-14 NO NO3878/70A patent/NO149545C/no unknown
- 1970-10-15 HU HUSA2138A patent/HU165606B/hu unknown
- 1970-10-15 ES ES385234A patent/ES385234A1/es not_active Expired
- 1970-10-15 HU HUSA2518A patent/HU166923B/hu unknown
- 1970-10-15 DK DK524270AA patent/DK135987B/da unknown
- 1970-10-16 AT AT935970A patent/AT317909B/de not_active IP Right Cessation
- 1970-10-16 PH PH11874A patent/PH9964A/en unknown
- 1970-10-16 GB GB49366A patent/GB1272873A/en not_active Expired
- 1970-10-16 NL NL7015201A patent/NL7015201A/xx unknown
- 1970-10-16 JP JP45090612A patent/JPS514971B1/ja active Pending
- 1970-10-16 IE IE1337/70A patent/IE35007B1/xx unknown
- 1970-10-16 DE DE2050903A patent/DE2050903C3/de not_active Expired
- 1970-10-16 RO RO64717A patent/RO56794A/ro unknown
- 1970-10-16 DE DE2065278*A patent/DE2065278C3/de not_active Expired
-
1973
- 1973-05-25 SE SE7307459A patent/SE401825B/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2489323A1 (fr) * | 1980-08-29 | 1982-03-05 | Snam Progetti | Procede de production d'uree |
| GB2167066A (en) * | 1984-11-02 | 1986-05-21 | Toyo Engineering Corp | Process for producing urea |
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |