DE69200785T2 - Verfahren zur Herstellung von Harnstoff mit hoher Energieausbeute. - Google Patents

Verfahren zur Herstellung von Harnstoff mit hoher Energieausbeute.

Info

Publication number
DE69200785T2
DE69200785T2 DE69200785T DE69200785T DE69200785T2 DE 69200785 T2 DE69200785 T2 DE 69200785T2 DE 69200785 T DE69200785 T DE 69200785T DE 69200785 T DE69200785 T DE 69200785T DE 69200785 T2 DE69200785 T2 DE 69200785T2
Authority
DE
Germany
Prior art keywords
stages
pressure
urea
reaction
production
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
Application number
DE69200785T
Other languages
English (en)
Other versions
DE69200785D1 (de
Inventor
Franco Granelli
Giuseppe Carloni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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 SnamProgetti SpA filed Critical SnamProgetti SpA
Publication of DE69200785D1 publication Critical patent/DE69200785D1/de
Application granted granted Critical
Publication of DE69200785T2 publication Critical patent/DE69200785T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69200785T 1991-03-22 1992-03-04 Verfahren zur Herstellung von Harnstoff mit hoher Energieausbeute. Expired - Lifetime DE69200785T2 (de)

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 (2)

Publication Number Publication Date
DE69200785D1 DE69200785D1 (de) 1995-01-19
DE69200785T2 true DE69200785T2 (de) 1995-05-11

Family

ID=11359193

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69200785T Expired - Lifetime DE69200785T2 (de) 1991-03-22 1992-03-04 Verfahren zur Herstellung von Harnstoff mit hoher Energieausbeute.

Country Status (13)

Country Link
US (1) US5359140A (de)
EP (1) EP0504966B1 (de)
CN (1) CN1035003C (de)
AT (1) ATE115120T1 (de)
BG (1) BG60675B1 (de)
BR (1) BR9200986A (de)
CA (1) CA2063638C (de)
DE (1) DE69200785T2 (de)
ES (1) ES2065124T3 (de)
IT (1) IT1245396B (de)
MX (1) MX9201249A (de)
RU (1) RU2043336C1 (de)
SA (1) SA92120474B1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0479103B1 (de) * 1990-10-05 1996-03-06 Urea Casale S.A. 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 Sa Verfahren zur kombinierten Erzeugung von Ammoniak und Harnstoff
EP1289942B1 (de) * 2000-06-15 2008-05-07 Urea Casale S.A. Verfahren und vorrichtung zur herstellung von harnstoff
ITMI20071029A1 (it) * 2007-05-22 2008-11-23 Snam Progetti Procedimento migliorato per la sintesi di urea
EP2153880A1 (de) * 2008-07-31 2010-02-17 Urea Casale S.A. Verfahren und Anlage zur Herstellung einer Harnstofflösung zur Verwendung in einem SCR-Prozess zur Nox-Verringerung
EP2199279A1 (de) * 2008-12-17 2010-06-23 Urea Casale S.A. Verbesserung der Hochdruck-Schleife in einem Verfahren zur Harnstoffsynthese
EP2397463A1 (de) * 2010-06-16 2011-12-21 Urea Casale SA Verfahren zur Modernisierung einer selbst-strippenden Harnstoffanlage
ITMI20120013A1 (it) * 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
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
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
US10919846B2 (en) * 2018-12-21 2021-02-16 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
NO150512C (no) * 1977-05-05 1984-10-31 Montedison Spa Fremgangsmaate ved fremstilling av urea.
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
EP0504966B1 (de) 1994-12-07
DE69200785D1 (de) 1995-01-19
BG60675B1 (bg) 1995-12-29
CA2063638C (en) 2005-11-08
RU2043336C1 (ru) 1995-09-10
EP0504966A1 (de) 1992-09-23
IT1245396B (it) 1994-09-20
SA92120474B1 (ar) 2004-05-11
CN1065452A (zh) 1992-10-21
CN1035003C (zh) 1997-05-28
ATE115120T1 (de) 1994-12-15
CA2063638A1 (en) 1992-09-23
MX9201249A (es) 1992-09-01
US5359140A (en) 1994-10-25
ITMI910778A1 (it) 1992-09-22
ITMI910778A0 (it) 1991-03-22
BR9200986A (pt) 1992-11-17
ES2065124T3 (es) 1995-02-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition