ATE7905T1 - Verfahren zur harnstoffherstellung. - Google Patents
Verfahren zur harnstoffherstellung.Info
- Publication number
- ATE7905T1 ATE7905T1 AT82101925T AT82101925T ATE7905T1 AT E7905 T1 ATE7905 T1 AT E7905T1 AT 82101925 T AT82101925 T AT 82101925T AT 82101925 T AT82101925 T AT 82101925T AT E7905 T1 ATE7905 T1 AT E7905T1
- Authority
- AT
- Austria
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8101174A NL8101174A (nl) | 1981-03-11 | 1981-03-11 | Werkwijze voor de bereiding van ureum. |
EP82101925A EP0060511B1 (de) | 1981-03-11 | 1982-03-11 | Verfahren zur Harnstoffherstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE7905T1 true ATE7905T1 (de) | 1984-06-15 |
Family
ID=19837140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT82101925T ATE7905T1 (de) | 1981-03-11 | 1982-03-11 | Verfahren zur harnstoffherstellung. |
Country Status (22)
Country | Link |
---|---|
EP (1) | EP0060511B1 (de) |
JP (1) | JPS57159756A (de) |
KR (1) | KR830009010A (de) |
AT (1) | ATE7905T1 (de) |
AU (1) | AU8125082A (de) |
BR (1) | BR8201298A (de) |
CS (1) | CS227344B2 (de) |
DD (1) | DD202535A5 (de) |
DE (1) | DE3260234D1 (de) |
ES (1) | ES8303302A1 (de) |
FI (1) | FI820829L (de) |
IL (1) | IL65220A0 (de) |
MA (1) | MA19404A1 (de) |
NL (1) | NL8101174A (de) |
NO (1) | NO820778L (de) |
OA (1) | OA07039A (de) |
PL (1) | PL235399A1 (de) |
PT (1) | PT74566B (de) |
RO (1) | RO84765B (de) |
YU (1) | YU48182A (de) |
ZA (1) | ZA821595B (de) |
ZW (1) | ZW4482A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1491526A1 (de) * | 2003-06-27 | 2004-12-29 | Urea Casale S.A. | Verfahren und Anlage für die Herstellung von Harnstoff |
EP3736415A1 (de) * | 2019-05-10 | 2020-11-11 | Yara International ASA | Dampfnetzwerkanordnung für eine anlage mit einer ammoniakerzeugungseinheit und einer harnstofferzeugungseinheit |
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 (de) * | 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 NO NO820778A patent/NO820778L/no unknown
- 1982-03-10 FI FI820829A patent/FI820829L/fi not_active Application Discontinuation
- 1982-03-10 IL IL65220A patent/IL65220A0/xx unknown
- 1982-03-10 BR BR8201298A patent/BR8201298A/pt unknown
- 1982-03-10 RO RO106866A patent/RO84765B/ro unknown
- 1982-03-10 ES ES510282A patent/ES8303302A1/es not_active Expired
- 1982-03-10 AU AU81250/82A patent/AU8125082A/en not_active Abandoned
- 1982-03-10 KR KR1019820001030A patent/KR830009010A/ko unknown
- 1982-03-10 ZW ZW44/82A patent/ZW4482A1/xx unknown
- 1982-03-10 ZA ZA821595A patent/ZA821595B/xx unknown
- 1982-03-11 DE DE8282101925T patent/DE3260234D1/de not_active Expired
- 1982-03-11 CS CS821668A patent/CS227344B2/cs unknown
- 1982-03-11 JP JP57037316A patent/JPS57159756A/ja active Pending
- 1982-03-11 PT PT74566A patent/PT74566B/pt unknown
- 1982-03-11 EP EP82101925A patent/EP0060511B1/de not_active Expired
- 1982-03-11 DD DD82238072A patent/DD202535A5/de unknown
- 1982-03-11 PL PL23539982A patent/PL235399A1/xx unknown
- 1982-03-11 AT AT82101925T patent/ATE7905T1/de not_active IP Right Cessation
- 1982-03-11 OA OA57634A patent/OA07039A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
OA07039A (fr) | 1983-12-31 |
DD202535A5 (de) | 1983-09-21 |
PT74566A (en) | 1982-04-01 |
NO820778L (no) | 1982-09-13 |
CS227344B2 (en) | 1984-04-16 |
ES510282A0 (es) | 1983-02-01 |
EP0060511A1 (de) | 1982-09-22 |
RO84765B (ro) | 1984-09-30 |
ZA821595B (en) | 1983-01-26 |
PL235399A1 (de) | 1982-10-11 |
ES8303302A1 (es) | 1983-02-01 |
PT74566B (en) | 1983-11-07 |
IL65220A0 (en) | 1982-05-31 |
DE3260234D1 (en) | 1984-07-19 |
MA19404A1 (fr) | 1982-10-01 |
JPS57159756A (en) | 1982-10-01 |
YU48182A (en) | 1985-03-20 |
FI820829L (fi) | 1982-09-12 |
ZW4482A1 (en) | 1982-07-14 |
RO84765A (ro) | 1984-08-17 |
KR830009010A (ko) | 1983-12-17 |
AU8125082A (en) | 1982-09-16 |
NL8101174A (nl) | 1982-10-01 |
EP0060511B1 (de) | 1984-06-13 |
BR8201298A (pt) | 1983-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE220392T1 (de) | Verfahren zur herstellung von harnstoff | |
BG60247B1 (bg) | Метод за получаване на карбамид | |
ES446621A1 (es) | Procedimiento flexible integrado para la produccion de amo- niaco y urea. | |
ATE7905T1 (de) | Verfahren zur harnstoffherstellung. | |
GB1247951A (en) | Process for preparing melamine from urea | |
ATE179413T1 (de) | Verfahren und anlage zur herstellung von harnstoff mit hohem umsatz und niedrigem energieverbrauch | |
GB1453422A (en) | Synthesis of urea | |
ES443998A1 (es) | Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea. | |
ES385234A1 (es) | Procedimiento para la produccion de urea. | |
IT1038067B (it) | Procedimento di trattamento di vapor a acqua generato nella concentrazione di una soluzione acquosa di urea |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |