NL8101174A - Werkwijze voor de bereiding van ureum. - Google Patents
Werkwijze voor de bereiding van ureum. Download PDFInfo
- Publication number
- NL8101174A NL8101174A NL8101174A NL8101174A NL8101174A NL 8101174 A NL8101174 A NL 8101174A NL 8101174 A NL8101174 A NL 8101174A NL 8101174 A NL8101174 A NL 8101174A NL 8101174 A NL8101174 A NL 8101174A
- Authority
- NL
- Netherlands
- Prior art keywords
- pressure
- kpa
- vapor
- ejector
- urea
- 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)
- Heat Treatment Of Sheet Steel (AREA)
- Catalysts (AREA)
- Electroluminescent Light Sources (AREA)
- Steroid Compounds (AREA)
- Compounds Of Unknown Constitution (AREA)
Priority Applications (22)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8101174A NL8101174A (nl) | 1981-03-11 | 1981-03-11 | Werkwijze voor de bereiding van ureum. |
YU00481/82A YU48182A (en) | 1981-03-11 | 1982-03-05 | Process for obtaining carbamides |
MA19609A MA19404A1 (fr) | 1981-03-11 | 1982-03-05 | Procede pour la preparation de l'uree |
ZA821595A ZA821595B (en) | 1981-03-11 | 1982-03-10 | Process for the preparation of urea |
ES510282A ES510282A0 (es) | 1981-03-11 | 1982-03-10 | "un procedimiento mejorado para la preparacion de urea". |
ZW44/82A ZW4482A1 (en) | 1981-03-11 | 1982-03-10 | Process for the preparation of urea |
FI820829A FI820829L (fi) | 1981-03-11 | 1982-03-10 | Foerfarande foer framstaellning av urea |
AU81250/82A AU8125082A (en) | 1981-03-11 | 1982-03-10 | Preparation of urea |
BR8201298A BR8201298A (pt) | 1981-03-11 | 1982-03-10 | Processo para a preparacao de ureia |
NO820778A NO820778L (no) | 1981-03-11 | 1982-03-10 | Fremgangsmaate ved fremstilling av urea. |
RO106866A RO84765B (ro) | 1981-03-11 | 1982-03-10 | Procedeu pentru prepararea unei solutii concentrate de uree |
KR1019820001030A KR830009010A (ko) | 1981-03-11 | 1982-03-10 | 요소 제조방법 |
IL65220A IL65220A0 (en) | 1981-03-11 | 1982-03-10 | Preparation of urea |
DD82238072A DD202535A5 (de) | 1981-03-11 | 1982-03-11 | Verfahren zur herstellung von harnstoff |
JP57037316A JPS57159756A (en) | 1981-03-11 | 1982-03-11 | Urea manufacture |
PL23539982A PL235399A1 (fi) | 1981-03-11 | 1982-03-11 | |
EP82101925A EP0060511B1 (en) | 1981-03-11 | 1982-03-11 | Process for the preparation of urea |
DE8282101925T DE3260234D1 (en) | 1981-03-11 | 1982-03-11 | Process for the preparation of urea |
CS821668A CS227344B2 (en) | 1981-03-11 | 1982-03-11 | Method of producing urea |
AT82101925T ATE7905T1 (de) | 1981-03-11 | 1982-03-11 | Verfahren zur harnstoffherstellung. |
PT74566A PT74566B (en) | 1981-03-11 | 1982-03-11 | Process for the preparation of urea |
OA57634A OA07039A (fr) | 1981-03-11 | 1982-03-11 | Procédé de préparation d'urée. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8101174 | 1981-03-11 | ||
NL8101174A NL8101174A (nl) | 1981-03-11 | 1981-03-11 | Werkwijze voor de bereiding van ureum. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8101174A true NL8101174A (nl) | 1982-10-01 |
Family
ID=19837140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8101174A NL8101174A (nl) | 1981-03-11 | 1981-03-11 | Werkwijze voor de bereiding van ureum. |
Country Status (22)
Country | Link |
---|---|
EP (1) | EP0060511B1 (fi) |
JP (1) | JPS57159756A (fi) |
KR (1) | KR830009010A (fi) |
AT (1) | ATE7905T1 (fi) |
AU (1) | AU8125082A (fi) |
BR (1) | BR8201298A (fi) |
CS (1) | CS227344B2 (fi) |
DD (1) | DD202535A5 (fi) |
DE (1) | DE3260234D1 (fi) |
ES (1) | ES510282A0 (fi) |
FI (1) | FI820829L (fi) |
IL (1) | IL65220A0 (fi) |
MA (1) | MA19404A1 (fi) |
NL (1) | NL8101174A (fi) |
NO (1) | NO820778L (fi) |
OA (1) | OA07039A (fi) |
PL (1) | PL235399A1 (fi) |
PT (1) | PT74566B (fi) |
RO (1) | RO84765B (fi) |
YU (1) | YU48182A (fi) |
ZA (1) | ZA821595B (fi) |
ZW (1) | ZW4482A1 (fi) |
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 (fi) * | 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 FI FI820829A patent/FI820829L/fi not_active Application Discontinuation
- 1982-03-10 NO NO820778A patent/NO820778L/no unknown
- 1982-03-10 ZW ZW44/82A patent/ZW4482A1/xx unknown
- 1982-03-10 RO RO106866A patent/RO84765B/ro unknown
- 1982-03-10 KR KR1019820001030A patent/KR830009010A/ko unknown
- 1982-03-10 ZA ZA821595A patent/ZA821595B/xx unknown
- 1982-03-10 BR BR8201298A patent/BR8201298A/pt unknown
- 1982-03-10 AU AU81250/82A patent/AU8125082A/en not_active Abandoned
- 1982-03-10 IL IL65220A patent/IL65220A0/xx unknown
- 1982-03-11 PL PL23539982A patent/PL235399A1/xx unknown
- 1982-03-11 OA OA57634A patent/OA07039A/xx unknown
- 1982-03-11 DE DE8282101925T patent/DE3260234D1/de not_active Expired
- 1982-03-11 EP EP82101925A patent/EP0060511B1/en not_active Expired
- 1982-03-11 PT PT74566A patent/PT74566B/pt unknown
- 1982-03-11 AT AT82101925T patent/ATE7905T1/de not_active IP Right Cessation
- 1982-03-11 JP JP57037316A patent/JPS57159756A/ja active Pending
- 1982-03-11 DD DD82238072A patent/DD202535A5/de unknown
- 1982-03-11 CS CS821668A patent/CS227344B2/cs unknown
Also Published As
Publication number | Publication date |
---|---|
RO84765B (ro) | 1984-09-30 |
YU48182A (en) | 1985-03-20 |
ATE7905T1 (de) | 1984-06-15 |
IL65220A0 (en) | 1982-05-31 |
OA07039A (fr) | 1983-12-31 |
JPS57159756A (en) | 1982-10-01 |
EP0060511B1 (en) | 1984-06-13 |
PT74566B (en) | 1983-11-07 |
ES8303302A1 (es) | 1983-02-01 |
CS227344B2 (en) | 1984-04-16 |
PT74566A (en) | 1982-04-01 |
ES510282A0 (es) | 1983-02-01 |
PL235399A1 (fi) | 1982-10-11 |
ZA821595B (en) | 1983-01-26 |
DE3260234D1 (en) | 1984-07-19 |
NO820778L (no) | 1982-09-13 |
FI820829L (fi) | 1982-09-12 |
AU8125082A (en) | 1982-09-16 |
ZW4482A1 (en) | 1982-07-14 |
MA19404A1 (fr) | 1982-10-01 |
DD202535A5 (de) | 1983-09-21 |
BR8201298A (pt) | 1983-01-25 |
EP0060511A1 (en) | 1982-09-22 |
KR830009010A (ko) | 1983-12-17 |
RO84765A (ro) | 1984-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |