CA1072980A - Process for separating and recovering unreacted materials in urea synthesis - Google Patents
Process for separating and recovering unreacted materials in urea synthesisInfo
- Publication number
- CA1072980A CA1072980A CA272,865A CA272865A CA1072980A CA 1072980 A CA1072980 A CA 1072980A CA 272865 A CA272865 A CA 272865A CA 1072980 A CA1072980 A CA 1072980A
- Authority
- CA
- Canada
- Prior art keywords
- zone
- urea synthesis
- effluent
- rectification
- urea
- 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
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)
- Lubricants (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2176076A JPS52105125A (en) | 1976-03-02 | 1976-03-02 | Separation and recovery of unreacted material on urea synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1072980A true CA1072980A (en) | 1980-03-04 |
Family
ID=12064013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA272,865A Expired CA1072980A (en) | 1976-03-02 | 1977-03-01 | Process for separating and recovering unreacted materials in urea synthesis |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS52105125A (pt) |
| AU (1) | AU506697B2 (pt) |
| BR (1) | BR7701245A (pt) |
| CA (1) | CA1072980A (pt) |
| DE (1) | DE2708617C2 (pt) |
| EG (1) | EG12471A (pt) |
| FR (1) | FR2342961A1 (pt) |
| GB (1) | GB1508119A (pt) |
| IN (1) | IN145548B (pt) |
| IT (1) | IT1071312B (pt) |
| MX (1) | MX144971A (pt) |
| NL (1) | NL7701883A (pt) |
| NO (1) | NO150276C (pt) |
| PH (1) | PH13083A (pt) |
| PT (1) | PT66245B (pt) |
| SU (1) | SU810078A3 (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| GB2089786B (en) * | 1980-12-23 | 1985-02-20 | Mitsui Toatsu Chemicals | Process for synthesizing urea |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1540732A (fr) * | 1966-10-14 | 1968-09-27 | Toyo Koatsu Ind Inc | Procédé de synthèse de l'urée |
| GB1217219A (en) * | 1967-08-10 | 1970-12-31 | Mitsui Toatsu Chemicals | Process for recovering excess ammonia in urea synthesis |
| JPS4919259B1 (pt) * | 1969-08-30 | 1974-05-16 | ||
| US3824283A (en) * | 1970-11-02 | 1974-07-16 | Chemical Construction Corp | Urea synthesis process |
-
1976
- 1976-03-02 JP JP2176076A patent/JPS52105125A/ja active Granted
- 1976-10-14 IN IN1881/CAL/76A patent/IN145548B/en unknown
-
1977
- 1977-02-01 MX MX167894A patent/MX144971A/es unknown
- 1977-02-14 EG EG86/77A patent/EG12471A/xx active
- 1977-02-15 GB GB6319/77A patent/GB1508119A/en not_active Expired
- 1977-02-21 AU AU22502/77A patent/AU506697B2/en not_active Expired
- 1977-02-22 NL NL7701883A patent/NL7701883A/xx not_active Application Discontinuation
- 1977-02-28 NO NO770672A patent/NO150276C/no unknown
- 1977-02-28 FR FR7705832A patent/FR2342961A1/fr active Granted
- 1977-02-28 DE DE2708617A patent/DE2708617C2/de not_active Expired
- 1977-02-28 PT PT66245A patent/PT66245B/pt unknown
- 1977-03-01 BR BR7701245A patent/BR7701245A/pt unknown
- 1977-03-01 PH PH19511A patent/PH13083A/en unknown
- 1977-03-01 CA CA272,865A patent/CA1072980A/en not_active Expired
- 1977-03-02 SU SU772455690A patent/SU810078A3/ru active
- 1977-03-02 IT IT20822/77A patent/IT1071312B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| PT66245B (en) | 1978-07-17 |
| FR2342961B1 (pt) | 1980-10-31 |
| NL7701883A (nl) | 1977-09-06 |
| AU506697B2 (en) | 1980-01-17 |
| GB1508119A (en) | 1978-04-19 |
| NO150276C (no) | 1984-09-19 |
| NO770672L (no) | 1977-09-05 |
| SU810078A3 (ru) | 1981-02-28 |
| IT1071312B (it) | 1985-04-02 |
| AU2250277A (en) | 1978-08-31 |
| MX144971A (es) | 1981-12-09 |
| EG12471A (en) | 1979-09-30 |
| PT66245A (en) | 1977-03-01 |
| NO150276B (no) | 1984-06-12 |
| DE2708617A1 (de) | 1977-09-08 |
| FR2342961A1 (fr) | 1977-09-30 |
| BR7701245A (pt) | 1977-12-20 |
| PH13083A (en) | 1979-11-23 |
| IN145548B (pt) | 1978-11-04 |
| DE2708617C2 (de) | 1984-11-29 |
| JPS5532703B2 (pt) | 1980-08-26 |
| JPS52105125A (en) | 1977-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |