IT1149071B - Procedimento per la preparazione di urea - Google Patents
Procedimento per la preparazione di ureaInfo
- Publication number
- IT1149071B IT1149071B IT49047/82A IT4904782A IT1149071B IT 1149071 B IT1149071 B IT 1149071B IT 49047/82 A IT49047/82 A IT 49047/82A IT 4904782 A IT4904782 A IT 4904782A IT 1149071 B IT1149071 B IT 1149071B
- Authority
- IT
- Italy
- Prior art keywords
- urea
- procedure
- preparation
- Prior art date
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
- C07C273/08—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 ammoniacal liquor
-
- 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 |
|---|---|---|---|
| NL8104040A NL8104040A (nl) | 1981-09-01 | 1981-09-01 | Werkwijze voor de bereiding van ureum. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8249047A0 IT8249047A0 (it) | 1982-08-30 |
| IT1149071B true IT1149071B (it) | 1986-12-03 |
Family
ID=19837996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT49047/82A IT1149071B (it) | 1981-09-01 | 1982-08-30 | Procedimento per la preparazione di urea |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US4540813A (it) |
| EP (1) | EP0086805B1 (it) |
| JP (1) | JPS58501373A (it) |
| KR (1) | KR840001131A (it) |
| BR (1) | BR8207839A (it) |
| DD (1) | DD203715A5 (it) |
| DE (1) | DE3271938D1 (it) |
| EG (1) | EG15838A (it) |
| ES (1) | ES8306103A1 (it) |
| GB (1) | GB2107705B (it) |
| GR (1) | GR76908B (it) |
| HU (1) | HUT34001A (it) |
| IN (1) | IN157894B (it) |
| IT (1) | IT1149071B (it) |
| NL (1) | NL8104040A (it) |
| NO (1) | NO831531L (it) |
| OA (1) | OA07202A (it) |
| PL (1) | PL238092A1 (it) |
| WO (1) | WO1983000862A1 (it) |
| ZA (1) | ZA825788B (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303425A (nl) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8303424A (nl) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
| JPH082859B2 (ja) * | 1987-02-24 | 1996-01-17 | 東洋エンジニアリング株式会社 | 尿素製造方法 |
| IN169678B (it) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
| IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
| CH679485A5 (it) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
| NL1004977C2 (nl) * | 1997-01-13 | 1998-07-15 | Dsm Nv | Methode om de capaciteit van een bestaand ureum proces te verhogen. |
| UA73996C2 (en) * | 2000-06-15 | 2005-10-17 | Urea Casale Sa | A process for the production of urea (variants), a mechanism for the production of urea and method for modernization of the mechanism for the production of urea |
| NL1022526C2 (nl) * | 2003-01-30 | 2004-08-04 | Dsm Nv | Werkwijze voor het afscheiden van NH3, en optioneel tevens CO2 en H2O, uit een mengsel bevattende NH3, CO2 en H2O. |
| EP3398935A1 (en) * | 2017-05-05 | 2018-11-07 | Casale Sa | Process and plant for the synthesis of urea |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL230353A (it) * | 1958-08-08 | 1900-01-01 | ||
| US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
| DE1618867A1 (de) * | 1966-03-29 | 1972-03-30 | Sumitomo Chemical Co | Verfahren zur Herstellung von Harnstoff |
| CH468356A (de) * | 1966-04-05 | 1969-02-15 | Inventa Ag | Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches |
| US3759992A (en) * | 1970-06-29 | 1973-09-18 | I Mavrovic | Urea synthesis |
| NL168506C (nl) * | 1970-12-31 | 1982-04-16 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| NL7307036A (it) * | 1973-05-21 | 1974-11-25 | ||
| US4173615A (en) * | 1974-07-08 | 1979-11-06 | Mitsui Toatsu Chemicals, Incorporated | Chemical apparatus for corrosive materials |
| NL7612162A (nl) * | 1976-11-03 | 1978-05-08 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2. |
| JPS5811432B2 (ja) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | 尿素合成法 |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
-
1981
- 1981-09-01 NL NL8104040A patent/NL8104040A/nl not_active Application Discontinuation
-
1982
- 1982-08-10 ZA ZA825788A patent/ZA825788B/xx unknown
- 1982-08-21 EG EG518/82A patent/EG15838A/xx active
- 1982-08-26 KR KR1019820003854A patent/KR840001131A/ko unknown
- 1982-08-26 IN IN993/CAL/82A patent/IN157894B/en unknown
- 1982-08-30 DD DD82242879A patent/DD203715A5/de unknown
- 1982-08-30 IT IT49047/82A patent/IT1149071B/it active
- 1982-08-30 GR GR69156A patent/GR76908B/el unknown
- 1982-08-31 ES ES515377A patent/ES8306103A1/es not_active Expired
- 1982-08-31 PL PL23809282A patent/PL238092A1/xx unknown
- 1982-08-31 US US06/496,317 patent/US4540813A/en not_active Expired - Fee Related
- 1982-08-31 JP JP57502598A patent/JPS58501373A/ja active Pending
- 1982-08-31 EP EP82902530A patent/EP0086805B1/en not_active Expired
- 1982-08-31 HU HU823094A patent/HUT34001A/hu unknown
- 1982-08-31 WO PCT/EP1982/000188 patent/WO1983000862A1/en active IP Right Grant
- 1982-08-31 BR BR8207839A patent/BR8207839A/pt unknown
- 1982-08-31 DE DE8282902530T patent/DE3271938D1/de not_active Expired
- 1982-09-01 OA OA57794A patent/OA07202A/xx unknown
- 1982-09-01 GB GB08224953A patent/GB2107705B/en not_active Expired
-
1983
- 1983-04-29 NO NO831531A patent/NO831531L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GR76908B (it) | 1984-09-04 |
| DE3271938D1 (en) | 1986-08-14 |
| JPS58501373A (ja) | 1983-08-18 |
| EP0086805A1 (en) | 1983-08-31 |
| NL8104040A (nl) | 1983-04-05 |
| WO1983000862A1 (en) | 1983-03-17 |
| ES515377A0 (es) | 1983-05-01 |
| HUT34001A (en) | 1985-01-28 |
| EG15838A (en) | 1987-07-30 |
| US4540813A (en) | 1985-09-10 |
| OA07202A (fr) | 1984-04-30 |
| BR8207839A (pt) | 1983-09-06 |
| DD203715A5 (de) | 1983-11-02 |
| KR840001131A (ko) | 1984-03-28 |
| GB2107705A (en) | 1983-05-05 |
| IT8249047A0 (it) | 1982-08-30 |
| IN157894B (it) | 1986-07-19 |
| ES8306103A1 (es) | 1983-05-01 |
| EP0086805B1 (en) | 1986-07-09 |
| PL238092A1 (en) | 1983-03-28 |
| ZA825788B (en) | 1983-06-29 |
| NO831531L (no) | 1983-04-29 |
| GB2107705B (en) | 1985-09-04 |
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