FI820829L - Foerfarande foer framstaellning av urea - Google Patents
Foerfarande foer framstaellning av ureaInfo
- Publication number
- FI820829L FI820829L FI820829A FI820829A FI820829L FI 820829 L FI820829 L FI 820829L FI 820829 A FI820829 A FI 820829A FI 820829 A FI820829 A FI 820829A FI 820829 L FI820829 L FI 820829L
- Authority
- FI
- Finland
- Prior art keywords
- pressure
- urea
- stage
- 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)
- Saccharide Compounds (AREA)
- Steroid Compounds (AREA)
- Compounds Of Unknown Constitution (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Catalysts (AREA)
- Electroluminescent Light Sources (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 (2)
| Publication Number | Publication Date |
|---|---|
| FI820829A7 FI820829A7 (fi) | 1982-09-12 |
| FI820829L true FI820829L (fi) | 1982-09-12 |
Family
ID=19837140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI820829A FI820829L (fi) | 1981-03-11 | 1982-03-10 | Foerfarande foer framstaellning av urea |
Country Status (22)
| Country | Link |
|---|---|
| EP (1) | EP0060511B1 (cs) |
| JP (1) | JPS57159756A (cs) |
| KR (1) | KR830009010A (cs) |
| AT (1) | ATE7905T1 (cs) |
| AU (1) | AU8125082A (cs) |
| BR (1) | BR8201298A (cs) |
| CS (1) | CS227344B2 (cs) |
| DD (1) | DD202535A5 (cs) |
| DE (1) | DE3260234D1 (cs) |
| ES (1) | ES510282A0 (cs) |
| FI (1) | FI820829L (cs) |
| IL (1) | IL65220A0 (cs) |
| MA (1) | MA19404A1 (cs) |
| NL (1) | NL8101174A (cs) |
| NO (1) | NO820778L (cs) |
| OA (1) | OA07039A (cs) |
| PL (1) | PL235399A1 (cs) |
| PT (1) | PT74566B (cs) |
| RO (1) | RO84765B (cs) |
| YU (1) | YU48182A (cs) |
| ZA (1) | ZA821595B (cs) |
| ZW (1) | ZW4482A1 (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1491526A1 (en) * | 2003-06-27 | 2004-12-29 | Urea Casale S.A. | Process and plant for urea production |
| EP3736415A1 (en) * | 2019-05-10 | 2020-11-11 | Yara International ASA | Steam network assembly for a plant comprising an ammonia-producing unit and a urea-producing unit |
| 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 (cs) * | 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 YU YU00481/82A patent/YU48182A/xx unknown
- 1982-03-05 MA MA19609A patent/MA19404A1/fr unknown
- 1982-03-10 BR BR8201298A patent/BR8201298A/pt unknown
- 1982-03-10 FI FI820829A patent/FI820829L/fi not_active Application Discontinuation
- 1982-03-10 ZW ZW44/82A patent/ZW4482A1/xx unknown
- 1982-03-10 KR KR1019820001030A patent/KR830009010A/ko not_active Ceased
- 1982-03-10 RO RO106866A patent/RO84765B/ro unknown
- 1982-03-10 IL IL65220A patent/IL65220A0/xx unknown
- 1982-03-10 ZA ZA821595A patent/ZA821595B/xx unknown
- 1982-03-10 ES ES510282A patent/ES510282A0/es active Granted
- 1982-03-10 NO NO820778A patent/NO820778L/no unknown
- 1982-03-10 AU AU81250/82A patent/AU8125082A/en not_active Abandoned
- 1982-03-11 AT AT82101925T patent/ATE7905T1/de not_active IP Right Cessation
- 1982-03-11 CS CS821668A patent/CS227344B2/cs unknown
- 1982-03-11 PL PL23539982A patent/PL235399A1/xx unknown
- 1982-03-11 PT PT74566A patent/PT74566B/pt unknown
- 1982-03-11 JP JP57037316A patent/JPS57159756A/ja active Pending
- 1982-03-11 OA OA57634A patent/OA07039A/xx unknown
- 1982-03-11 DD DD82238072A patent/DD202535A5/de unknown
- 1982-03-11 DE DE8282101925T patent/DE3260234D1/de not_active Expired
- 1982-03-11 EP EP82101925A patent/EP0060511B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| YU48182A (en) | 1985-03-20 |
| KR830009010A (ko) | 1983-12-17 |
| OA07039A (fr) | 1983-12-31 |
| ZW4482A1 (en) | 1982-07-14 |
| PT74566B (en) | 1983-11-07 |
| JPS57159756A (en) | 1982-10-01 |
| ATE7905T1 (de) | 1984-06-15 |
| DD202535A5 (de) | 1983-09-21 |
| PL235399A1 (cs) | 1982-10-11 |
| FI820829A7 (fi) | 1982-09-12 |
| EP0060511A1 (en) | 1982-09-22 |
| MA19404A1 (fr) | 1982-10-01 |
| NO820778L (no) | 1982-09-13 |
| RO84765A (ro) | 1984-08-17 |
| BR8201298A (pt) | 1983-01-25 |
| ES8303302A1 (es) | 1983-02-01 |
| ES510282A0 (es) | 1983-02-01 |
| NL8101174A (nl) | 1982-10-01 |
| EP0060511B1 (en) | 1984-06-13 |
| PT74566A (en) | 1982-04-01 |
| DE3260234D1 (en) | 1984-07-19 |
| IL65220A0 (en) | 1982-05-31 |
| RO84765B (ro) | 1984-09-30 |
| AU8125082A (en) | 1982-09-16 |
| CS227344B2 (en) | 1984-04-16 |
| ZA821595B (en) | 1983-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA | Application withdrawn [patent] |
Owner name: UNIE VAN KUNSTMESTFABRIEKEN B.V. |