ATE80870T1 - Verfahren zur herstellung von harnstoff. - Google Patents
Verfahren zur herstellung von harnstoff.Info
- Publication number
- ATE80870T1 ATE80870T1 AT88107081T AT88107081T ATE80870T1 AT E80870 T1 ATE80870 T1 AT E80870T1 AT 88107081 T AT88107081 T AT 88107081T AT 88107081 T AT88107081 T AT 88107081T AT E80870 T1 ATE80870 T1 AT E80870T1
- Authority
- AT
- Austria
- Prior art keywords
- stage
- urea
- production
- stripping
- distillation
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH187187 | 1987-05-15 | ||
EP88107081A EP0306614B1 (de) | 1987-05-15 | 1988-05-03 | Verfahren zur Herstellung von Harnstoff |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE80870T1 true ATE80870T1 (de) | 1992-10-15 |
Family
ID=4220542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88107081T ATE80870T1 (de) | 1987-05-15 | 1988-05-03 | Verfahren zur herstellung von harnstoff. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0306614B1 (de) |
CN (1) | CN1052221C (de) |
AT (1) | ATE80870T1 (de) |
DE (1) | DE3874846T2 (de) |
ES (1) | ES2035146T3 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH679485A5 (de) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
DE60025780T2 (de) * | 2000-10-09 | 2006-11-09 | Urea Casale S.A. | Vorrichtung zur Zersetzung von Karbamat und zum Strippen von Ammoniak sowie Kohlendioxid aus Harnstofflösungen |
CN101397144B (zh) * | 2007-10-22 | 2010-05-26 | 贵州赤天化股份有限公司 | 汽提法尿素装置高压调温水降温吸收氨的方法 |
ITMI20120013A1 (it) | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
CN102731171B (zh) * | 2012-06-05 | 2014-02-19 | 四川美丰化工股份有限公司 | 固体尿素熔融喷浆造粒系统 |
CN115364808A (zh) * | 2022-07-26 | 2022-11-22 | 哈尔滨工业大学(深圳) | 一种尿素连续合成系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1468245A1 (de) * | 1962-02-28 | 1968-12-19 | Montedison Spa | Verfahren zur Rueckfuehrung von nicht umgesetztem Carbamat bei der Harnstoffsynthese aus Ammoniak und Kohlendioxyd |
US3824283A (en) * | 1970-11-02 | 1974-07-16 | Chemical Construction Corp | Urea synthesis process |
US4256662A (en) * | 1980-01-18 | 1981-03-17 | Gorlovsky David M | Process for producing urea |
-
1988
- 1988-05-03 AT AT88107081T patent/ATE80870T1/de not_active IP Right Cessation
- 1988-05-03 DE DE8888107081T patent/DE3874846T2/de not_active Revoked
- 1988-05-03 EP EP88107081A patent/EP0306614B1/de not_active Revoked
- 1988-05-03 ES ES198888107081T patent/ES2035146T3/es not_active Expired - Lifetime
- 1988-05-14 CN CN88102855A patent/CN1052221C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0306614A2 (de) | 1989-03-15 |
ES2035146T3 (es) | 1993-04-16 |
DE3874846T2 (de) | 1993-04-15 |
CN1052221C (zh) | 2000-05-10 |
CN88102855A (zh) | 1988-12-14 |
EP0306614A3 (en) | 1989-11-15 |
DE3874846D1 (de) | 1992-10-29 |
EP0306614B1 (de) | 1992-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |