ES2035146T3 - Mejoras en procedimientos y plantas para la produccion de urea. - Google Patents
Mejoras en procedimientos y plantas para la produccion de urea.Info
- Publication number
- ES2035146T3 ES2035146T3 ES198888107081T ES88107081T ES2035146T3 ES 2035146 T3 ES2035146 T3 ES 2035146T3 ES 198888107081 T ES198888107081 T ES 198888107081T ES 88107081 T ES88107081 T ES 88107081T ES 2035146 T3 ES2035146 T3 ES 2035146T3
- Authority
- ES
- Spain
- Prior art keywords
- stage
- urea
- production
- plants
- procedures
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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)
Abstract
AL PROCESO CONVENCIONAL PARA LA PRODUCCION DE UREA, QUE COMPRENDE UNA FASE PARA LA REACCION DE NH3 Y CO2, UNA FASE PARA EXTRAER CON CO2 LA SOLUCION DE UREA QUE CONTIENE CARBOMATE Y OTROS PRODUCTOS, UNA FASE PARA CONDENSAR LOS VAPORES EXTERIDOS Y DOS FASES DE DESTILACION DE VACIO, ES AHORA ASOCIADA AL MENOS UNA FASE ADEMAS SELECCIONADA DEL GRUPO QUE CONSISTE EN: UNA FASE DE DESTILACION DE PRESION MEDIA CON RECUPERACION DE CALOR SUBSTANCIALMENTE, M,AS PARTICULARMENTE CON EFECTO DOBLE, UNA FASE DE PRE - DESTILACION Y UNA SEGUNDA FASE DE EXTRACCION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH187187 | 1987-05-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2035146T3 true ES2035146T3 (es) | 1993-04-16 |
Family
ID=4220542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888107081T Expired - Lifetime ES2035146T3 (es) | 1987-05-15 | 1988-05-03 | Mejoras en procedimientos y plantas para la produccion de urea. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0306614B1 (es) |
CN (1) | CN1052221C (es) |
AT (1) | ATE80870T1 (es) |
DE (1) | DE3874846T2 (es) |
ES (1) | ES2035146T3 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH679485A5 (es) * | 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 DE DE8888107081T patent/DE3874846T2/de not_active Revoked
- 1988-05-03 AT AT88107081T patent/ATE80870T1/de not_active IP Right Cessation
- 1988-05-03 EP EP88107081A patent/EP0306614B1/en 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 |
---|---|
CN1052221C (zh) | 2000-05-10 |
EP0306614B1 (en) | 1992-09-23 |
EP0306614A3 (en) | 1989-11-15 |
ATE80870T1 (de) | 1992-10-15 |
CN88102855A (zh) | 1988-12-14 |
DE3874846T2 (de) | 1993-04-15 |
EP0306614A2 (en) | 1989-03-15 |
DE3874846D1 (de) | 1992-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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