CA1075263A - Urea reactor effluent solution recycle in urea synthesis - Google Patents
Urea reactor effluent solution recycle in urea synthesisInfo
- Publication number
- CA1075263A CA1075263A CA282,884A CA282884A CA1075263A CA 1075263 A CA1075263 A CA 1075263A CA 282884 A CA282884 A CA 282884A CA 1075263 A CA1075263 A CA 1075263A
- Authority
- CA
- Canada
- Prior art keywords
- stream
- ammonia
- decomposer
- carbon dioxide
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/710,318 US4088684A (en) | 1976-07-30 | 1976-07-30 | Urea reactor effluent solution recycle in urea synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1075263A true CA1075263A (en) | 1980-04-08 |
Family
ID=24853530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA282,884A Expired CA1075263A (en) | 1976-07-30 | 1977-07-15 | Urea reactor effluent solution recycle in urea synthesis |
Country Status (14)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| JPH0364831U (US07122603-20061017-C00045.png) * | 1989-10-30 | 1991-06-25 | ||
| US5316554A (en) * | 1992-06-03 | 1994-05-31 | Hansen Charles N | Method for processing crystalline ammonium carbamate |
| WO2001096287A1 (en) * | 2000-06-15 | 2001-12-20 | Urea Casale S.A. | Process and plant for the production of urea |
| US9863725B1 (en) | 2012-02-29 | 2018-01-09 | The United States Of America As Represented By The Secretary Of The Air Force | Systems and methods for thermal management through use of ammonium carbamate |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1423412A (fr) * | 1964-09-08 | 1966-01-03 | Snam Spa | Procédé pour la fabrication de l'urée par synthèse à partir de l'ammoniac et de l'anhydride carbonique, comportant un recyclage total de la partie non transformée en urée |
| US3579636A (en) * | 1968-05-16 | 1971-05-18 | Ivo Mavrovic | Urea synthesis process |
| US3573173A (en) * | 1968-07-24 | 1971-03-30 | Mitsui Toatsu Chemicals | Process for recovering excess ammonia in urea synthesis by direct contact condensation with liquid ammonia |
| US3759992A (en) * | 1970-06-29 | 1973-09-18 | I Mavrovic | Urea synthesis |
| US3808271A (en) * | 1970-06-29 | 1974-04-30 | I Mavrovic | Urea synthesis |
| US3886210A (en) * | 1970-06-29 | 1975-05-27 | Ivo Mavrovic | Urea synthesis with improved heat recovery and ammonium carbamate recirculation |
-
1976
- 1976-07-30 US US05/710,318 patent/US4088684A/en not_active Expired - Lifetime
-
1977
- 1977-07-15 CA CA282,884A patent/CA1075263A/en not_active Expired
- 1977-07-21 PT PT66838A patent/PT66838B/pt unknown
- 1977-07-25 FR FR7722803A patent/FR2359818A1/fr active Granted
- 1977-07-25 BE BE179613A patent/BE857126A/xx unknown
- 1977-07-26 BR BR7704887A patent/BR7704887A/pt unknown
- 1977-07-27 NL NL7708348A patent/NL7708348A/xx not_active Application Discontinuation
- 1977-07-27 GB GB31448/77A patent/GB1526678A/en not_active Expired
- 1977-07-27 DE DE19772733887 patent/DE2733887A1/de active Pending
- 1977-07-27 AR AR268584A patent/AR213444A1/es active
- 1977-07-27 ES ES461061A patent/ES461061A1/es not_active Expired
- 1977-07-29 IT IT26353/77A patent/IT1085659B/it active
- 1977-07-30 JP JP9214777A patent/JPS5318516A/ja active Granted
- 1977-07-30 EG EG450/77A patent/EG12892A/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2359818A1 (fr) | 1978-02-24 |
| JPS6129943B2 (US07122603-20061017-C00045.png) | 1986-07-10 |
| BE857126A (fr) | 1978-01-25 |
| PT66838B (en) | 1978-12-27 |
| JPS5318516A (en) | 1978-02-20 |
| EG12892A (en) | 1980-03-31 |
| FR2359818B3 (US07122603-20061017-C00045.png) | 1980-08-08 |
| NL7708348A (nl) | 1978-02-01 |
| GB1526678A (en) | 1978-09-27 |
| AR213444A1 (es) | 1979-01-31 |
| ES461061A1 (es) | 1978-06-01 |
| DE2733887A1 (de) | 1978-02-09 |
| IT1085659B (it) | 1985-05-28 |
| BR7704887A (pt) | 1978-04-04 |
| US4088684A (en) | 1978-05-09 |
| PT66838A (en) | 1977-08-01 |
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| JPS5867661A (ja) | 尿素合成法 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |