OA07039A - Procédé de préparation d'urée. - Google Patents
Procédé de préparation d'urée.Info
- Publication number
- OA07039A OA07039A OA57634A OA57634A OA07039A OA 07039 A OA07039 A OA 07039A OA 57634 A OA57634 A OA 57634A OA 57634 A OA57634 A OA 57634A OA 07039 A OA07039 A OA 07039A
- Authority
- OA
- OAPI
- Prior art keywords
- pressure
- stage
- urea
- pressure stage
- high pressure
- 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
- C07C273/04—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
-
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C275/02—Salts; Complexes; Addition compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Catalysts (AREA)
- Electroluminescent Light Sources (AREA)
- Saccharide Compounds (AREA)
- Steroid Compounds (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8101174A NL8101174A (nl) | 1981-03-11 | 1981-03-11 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| OA07039A true OA07039A (fr) | 1983-12-31 |
Family
ID=19837140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| OA57634A OA07039A (fr) | 1981-03-11 | 1982-03-11 | Procédé de préparation d'urée. |
Country Status (22)
| Country | Link |
|---|---|
| EP (1) | EP0060511B1 (fr) |
| JP (1) | JPS57159756A (fr) |
| KR (1) | KR830009010A (fr) |
| AT (1) | ATE7905T1 (fr) |
| AU (1) | AU8125082A (fr) |
| BR (1) | BR8201298A (fr) |
| CS (1) | CS227344B2 (fr) |
| DD (1) | DD202535A5 (fr) |
| DE (1) | DE3260234D1 (fr) |
| ES (1) | ES510282A0 (fr) |
| FI (1) | FI820829L (fr) |
| IL (1) | IL65220A0 (fr) |
| MA (1) | MA19404A1 (fr) |
| NL (1) | NL8101174A (fr) |
| NO (1) | NO820778L (fr) |
| OA (1) | OA07039A (fr) |
| PL (1) | PL235399A1 (fr) |
| PT (1) | PT74566B (fr) |
| RO (1) | RO84765B (fr) |
| YU (1) | YU48182A (fr) |
| ZA (1) | ZA821595B (fr) |
| ZW (1) | ZW4482A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1491526A1 (fr) * | 2003-06-27 | 2004-12-29 | Urea Casale S.A. | Procédé et installation de production d'urée |
| EP3736415A1 (fr) * | 2019-05-10 | 2020-11-11 | Yara International ASA | Ensemble de réseau de vapeur pour une installation comprenant une unité de production d'ammoniac et une unité de production d'urée |
| CN113416154B (zh) * | 2021-07-30 | 2023-01-17 | 新疆心连心能源化工有限公司 | 尿素合成未反应物循环回收方法及装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
| YU34282B (en) * | 1967-12-14 | 1979-04-30 | Snam Progetti | Process for the decomposition and recyclation of unreacted ammonium carbamate into the reactor for the synthesis of carbamide |
| AT284138B (de) * | 1968-02-06 | 1970-09-10 | Snam Progetti | Verfahren zur Herstellung von Harnstoff |
| NL165712C (nl) * | 1970-05-30 | 1981-05-15 | Stamicarbon | Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese. |
| 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 (fr) * | 1973-05-21 | 1974-11-25 | ||
| NL7612162A (nl) * | 1976-11-03 | 1978-05-08 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2. |
-
1981
- 1981-03-11 NL NL8101174A patent/NL8101174A/nl not_active Application Discontinuation
-
1982
- 1982-03-05 MA MA19609A patent/MA19404A1/fr unknown
- 1982-03-05 YU YU00481/82A patent/YU48182A/xx unknown
- 1982-03-10 ES ES510282A patent/ES510282A0/es active Granted
- 1982-03-10 IL IL65220A patent/IL65220A0/xx unknown
- 1982-03-10 NO NO820778A patent/NO820778L/no unknown
- 1982-03-10 RO RO106866A patent/RO84765B/ro unknown
- 1982-03-10 KR KR1019820001030A patent/KR830009010A/ko unknown
- 1982-03-10 ZW ZW44/82A patent/ZW4482A1/xx unknown
- 1982-03-10 BR BR8201298A patent/BR8201298A/pt unknown
- 1982-03-10 ZA ZA821595A patent/ZA821595B/xx unknown
- 1982-03-10 AU AU81250/82A patent/AU8125082A/en not_active Abandoned
- 1982-03-10 FI FI820829A patent/FI820829L/fi not_active Application Discontinuation
- 1982-03-11 JP JP57037316A patent/JPS57159756A/ja active Pending
- 1982-03-11 DE DE8282101925T patent/DE3260234D1/de not_active Expired
- 1982-03-11 CS CS821668A patent/CS227344B2/cs unknown
- 1982-03-11 PL PL23539982A patent/PL235399A1/xx unknown
- 1982-03-11 OA OA57634A patent/OA07039A/fr unknown
- 1982-03-11 DD DD82238072A patent/DD202535A5/de unknown
- 1982-03-11 AT AT82101925T patent/ATE7905T1/de not_active IP Right Cessation
- 1982-03-11 EP EP82101925A patent/EP0060511B1/fr not_active Expired
- 1982-03-11 PT PT74566A patent/PT74566B/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MA19404A1 (fr) | 1982-10-01 |
| ES8303302A1 (es) | 1983-02-01 |
| ZW4482A1 (en) | 1982-07-14 |
| ES510282A0 (es) | 1983-02-01 |
| KR830009010A (ko) | 1983-12-17 |
| BR8201298A (pt) | 1983-01-25 |
| YU48182A (en) | 1985-03-20 |
| AU8125082A (en) | 1982-09-16 |
| ATE7905T1 (de) | 1984-06-15 |
| DE3260234D1 (en) | 1984-07-19 |
| PL235399A1 (fr) | 1982-10-11 |
| DD202535A5 (de) | 1983-09-21 |
| NO820778L (no) | 1982-09-13 |
| RO84765B (ro) | 1984-09-30 |
| ZA821595B (en) | 1983-01-26 |
| PT74566B (en) | 1983-11-07 |
| NL8101174A (nl) | 1982-10-01 |
| EP0060511A1 (fr) | 1982-09-22 |
| IL65220A0 (en) | 1982-05-31 |
| RO84765A (fr) | 1984-08-17 |
| PT74566A (en) | 1982-04-01 |
| FI820829L (fi) | 1982-09-12 |
| CS227344B2 (en) | 1984-04-16 |
| EP0060511B1 (fr) | 1984-06-13 |
| JPS57159756A (en) | 1982-10-01 |
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