BR9200986A - Processo de producao de ureia - Google Patents

Processo de producao de ureia

Info

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
Application number
BR929200986A
Other languages
English (en)
Inventor
Franco Granelli
Giuseppe Carloni
Original Assignee
Snam Progetti
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Snam Progetti filed Critical Snam Progetti
Publication of BR9200986A publication Critical patent/BR9200986A/pt

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)
BR929200986A 1991-03-22 1992-03-20 Processo de producao de ureia BR9200986A (pt)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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.

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