BR9200986A - Processo de producao de ureia - Google Patents
Processo de producao de ureiaInfo
- Publication number
- BR9200986A BR9200986A BR929200986A BR9200986A BR9200986A BR 9200986 A BR9200986 A BR 9200986A BR 929200986 A BR929200986 A BR 929200986A BR 9200986 A BR9200986 A BR 9200986A BR 9200986 A BR9200986 A BR 9200986A
- Authority
- BR
- Brazil
- Prior art keywords
- stages
- pressure
- reaction
- production process
- urea production
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI910778A IT1245396B (it) | 1991-03-22 | 1991-03-22 | Procedimento per la produzione di urea ad elevata efficienza energetica |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9200986A true BR9200986A (pt) | 1992-11-17 |
Family
ID=11359193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR929200986A BR9200986A (pt) | 1991-03-22 | 1992-03-20 | Processo de producao de ureia |
Country Status (13)
Country | Link |
---|---|
US (1) | US5359140A (pt) |
EP (1) | EP0504966B1 (pt) |
CN (1) | CN1035003C (pt) |
AT (1) | ATE115120T1 (pt) |
BG (1) | BG60675B1 (pt) |
BR (1) | BR9200986A (pt) |
CA (1) | CA2063638C (pt) |
DE (1) | DE69200785T2 (pt) |
ES (1) | ES2065124T3 (pt) |
IT (1) | IT1245396B (pt) |
MX (1) | MX9201249A (pt) |
RU (1) | RU2043336C1 (pt) |
SA (1) | SA92120474B1 (pt) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69117641T2 (de) * | 1990-10-05 | 1996-10-02 | Urea Casale Sa | Verfahren zur Herstellung von Harnstoff mit unterschiedlichen Leistungen sowie die Implementierung in existierenden Anlagen |
CA2107253C (en) * | 1992-12-15 | 1998-04-21 | Anthony Castrogiovanni | Cosmetic compositions with improved transfer resistance |
DE69326881D1 (de) * | 1993-01-07 | 1999-12-02 | Urea Casale Sa | Verbessertes Verfahren zur Produktion von Harnstoff unter Verwendung eines Schrittes zur Kohlendioxidentfernung |
DE69708627T2 (de) * | 1997-09-20 | 2002-08-08 | Urea Casale S.A., Lugano | Verfahren zur kombinierten Erzeugung von Ammoniak und Harnstoff |
EP1289942B1 (en) * | 2000-06-15 | 2008-05-07 | Urea Casale S.A. | Process and plant for the production of urea |
ITMI20071029A1 (it) * | 2007-05-22 | 2008-11-23 | Snam Progetti | Procedimento migliorato per la sintesi di urea |
EP2153880A1 (en) * | 2008-07-31 | 2010-02-17 | Urea Casale S.A. | Process and plant for the production of a urea solution for use in SCR process for reduction of Nox |
EP2199279A1 (en) * | 2008-12-17 | 2010-06-23 | Urea Casale S.A. | Improvement to the high-pressure loop in a process for synthesis of urea |
EP2397463A1 (en) * | 2010-06-16 | 2011-12-21 | Urea Casale SA | Method for revamping a self-stripping urea plant |
ITMI20120013A1 (it) * | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
CN104557616B (zh) * | 2014-12-22 | 2016-06-22 | 嵊州领航信息科技有限公司 | 一种合成尿素溶液的方法 |
CN104529828B (zh) * | 2014-12-22 | 2016-09-07 | 嵊州领航信息科技有限公司 | 一种合成尿素的生产装置 |
CN104529829B (zh) * | 2014-12-22 | 2016-06-15 | 嵊州领航信息科技有限公司 | 一种尿素合成的方法 |
CN104557615B (zh) * | 2014-12-22 | 2016-09-07 | 嵊州领航信息科技有限公司 | 一种合成尿素溶液的生产装置 |
CA3124342C (en) * | 2018-12-21 | 2023-01-03 | Stamicarbon B.V. | Urea production process and plant with heat integration in low pressure recovery section |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL174548C (nl) * | 1977-05-05 | 1988-05-16 | Montedison Spa | Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde. |
IT1141030B (it) * | 1980-08-29 | 1986-10-01 | Snam Progetti | Procedimento per la produzione di urea |
IT1212524B (it) * | 1982-06-08 | 1989-11-30 | Montedison Spa | Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea. |
NL8502228A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
-
1991
- 1991-03-22 IT ITMI910778A patent/IT1245396B/it active IP Right Grant
-
1992
- 1992-03-04 EP EP92200626A patent/EP0504966B1/en not_active Expired - Lifetime
- 1992-03-04 DE DE69200785T patent/DE69200785T2/de not_active Expired - Lifetime
- 1992-03-04 AT AT92200626T patent/ATE115120T1/de active
- 1992-03-04 ES ES92200626T patent/ES2065124T3/es not_active Expired - Lifetime
- 1992-03-19 BG BG96104A patent/BG60675B1/bg unknown
- 1992-03-19 US US07/854,298 patent/US5359140A/en not_active Expired - Lifetime
- 1992-03-20 BR BR929200986A patent/BR9200986A/pt not_active Application Discontinuation
- 1992-03-20 RU SU925011231A patent/RU2043336C1/ru active
- 1992-03-20 MX MX9201249A patent/MX9201249A/es unknown
- 1992-03-20 CA CA002063638A patent/CA2063638C/en not_active Expired - Lifetime
- 1992-03-21 CN CN92101898A patent/CN1035003C/zh not_active Expired - Fee Related
- 1992-04-29 SA SA92120474A patent/SA92120474B1/ar unknown
Also Published As
Publication number | Publication date |
---|---|
SA92120474B1 (ar) | 2004-05-11 |
EP0504966B1 (en) | 1994-12-07 |
BG60675B1 (bg) | 1995-12-29 |
IT1245396B (it) | 1994-09-20 |
CA2063638A1 (en) | 1992-09-23 |
BG96104A (bg) | 1993-12-24 |
RU2043336C1 (ru) | 1995-09-10 |
ITMI910778A1 (it) | 1992-09-22 |
CN1035003C (zh) | 1997-05-28 |
ITMI910778A0 (it) | 1991-03-22 |
CA2063638C (en) | 2005-11-08 |
ES2065124T3 (es) | 1995-02-01 |
US5359140A (en) | 1994-10-25 |
ATE115120T1 (de) | 1994-12-15 |
EP0504966A1 (en) | 1992-09-23 |
DE69200785T2 (de) | 1995-05-11 |
CN1065452A (zh) | 1992-10-21 |
MX9201249A (es) | 1992-09-01 |
DE69200785D1 (de) | 1995-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Decision: intention to grant | ||
FA11 | Dismissal: dismissal - article 38, par. 2 of industrial property law |