DD203715A5 - Verfahren zur herstellung von harnstoff - Google Patents
Verfahren zur herstellung von harnstoff Download PDFInfo
- Publication number
- DD203715A5 DD203715A5 DD82242879A DD24287982A DD203715A5 DD 203715 A5 DD203715 A5 DD 203715A5 DD 82242879 A DD82242879 A DD 82242879A DD 24287982 A DD24287982 A DD 24287982A DD 203715 A5 DD203715 A5 DD 203715A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- urea
- reaction zone
- zone
- pressure
- stripping
- 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 (1)
| Publication Number | Publication Date |
|---|---|
| DD203715A5 true DD203715A5 (de) | 1983-11-02 |
Family
ID=19837996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD82242879A DD203715A5 (de) | 1981-09-01 | 1982-08-30 | Verfahren zur herstellung von harnstoff |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US4540813A (ja) |
| EP (1) | EP0086805B1 (ja) |
| JP (1) | JPS58501373A (ja) |
| KR (1) | KR840001131A (ja) |
| BR (1) | BR8207839A (ja) |
| DD (1) | DD203715A5 (ja) |
| DE (1) | DE3271938D1 (ja) |
| EG (1) | EG15838A (ja) |
| ES (1) | ES515377A0 (ja) |
| GB (1) | GB2107705B (ja) |
| GR (1) | GR76908B (ja) |
| HU (1) | HUT34001A (ja) |
| IN (1) | IN157894B (ja) |
| IT (1) | IT1149071B (ja) |
| NL (1) | NL8104040A (ja) |
| NO (1) | NO831531L (ja) |
| OA (1) | OA07202A (ja) |
| PL (1) | PL238092A1 (ja) |
| WO (1) | WO1983000862A1 (ja) |
| ZA (1) | ZA825788B (ja) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303424A (nl) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8303425A (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 (ja) * | 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 (ja) * | 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. |
| EP1289942B1 (en) * | 2000-06-15 | 2008-05-07 | Urea Casale S.A. | Process and plant 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 (ja) * | 1958-08-08 | 1900-01-01 | ||
| US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
| GB1147734A (en) * | 1966-03-29 | 1969-04-02 | Sumitomo Chemical Co | Method for the preparation of urea |
| 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 (ja) * | 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 IN IN993/CAL/82A patent/IN157894B/en unknown
- 1982-08-26 KR KR1019820003854A patent/KR840001131A/ko unknown
- 1982-08-30 GR GR69156A patent/GR76908B/el unknown
- 1982-08-30 DD DD82242879A patent/DD203715A5/de unknown
- 1982-08-30 IT IT49047/82A patent/IT1149071B/it active
- 1982-08-31 ES ES515377A patent/ES515377A0/es active Granted
- 1982-08-31 HU HU823094A patent/HUT34001A/hu unknown
- 1982-08-31 PL PL23809282A patent/PL238092A1/xx unknown
- 1982-08-31 BR BR8207839A patent/BR8207839A/pt unknown
- 1982-08-31 EP EP82902530A patent/EP0086805B1/en not_active Expired
- 1982-08-31 JP JP57502598A patent/JPS58501373A/ja active Pending
- 1982-08-31 DE DE8282902530T patent/DE3271938D1/de not_active Expired
- 1982-08-31 US US06/496,317 patent/US4540813A/en not_active Expired - Fee Related
- 1982-08-31 WO PCT/EP1982/000188 patent/WO1983000862A1/en active IP Right Grant
- 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 |
|---|---|
| ES8306103A1 (es) | 1983-05-01 |
| ES515377A0 (es) | 1983-05-01 |
| EP0086805B1 (en) | 1986-07-09 |
| OA07202A (fr) | 1984-04-30 |
| ZA825788B (en) | 1983-06-29 |
| US4540813A (en) | 1985-09-10 |
| BR8207839A (pt) | 1983-09-06 |
| EP0086805A1 (en) | 1983-08-31 |
| JPS58501373A (ja) | 1983-08-18 |
| IN157894B (ja) | 1986-07-19 |
| GR76908B (ja) | 1984-09-04 |
| HUT34001A (en) | 1985-01-28 |
| DE3271938D1 (en) | 1986-08-14 |
| KR840001131A (ko) | 1984-03-28 |
| EG15838A (en) | 1987-07-30 |
| IT8249047A0 (it) | 1982-08-30 |
| NL8104040A (nl) | 1983-04-05 |
| PL238092A1 (en) | 1983-03-28 |
| WO1983000862A1 (en) | 1983-03-17 |
| GB2107705B (en) | 1985-09-04 |
| NO831531L (no) | 1983-04-29 |
| IT1149071B (it) | 1986-12-03 |
| GB2107705A (en) | 1983-05-05 |
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