ES2171493T3 - Procedimiento para la sintesis de urea que comprende dos zonas de reaccion independientes. - Google Patents

Procedimiento para la sintesis de urea que comprende dos zonas de reaccion independientes.

Info

Publication number
ES2171493T3
ES2171493T3 ES95120367T ES95120367T ES2171493T3 ES 2171493 T3 ES2171493 T3 ES 2171493T3 ES 95120367 T ES95120367 T ES 95120367T ES 95120367 T ES95120367 T ES 95120367T ES 2171493 T3 ES2171493 T3 ES 2171493T3
Authority
ES
Spain
Prior art keywords
urea
current
synthesis
procedure
reaction zones
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
ES95120367T
Other languages
English (en)
Other versions
ES2171493T5 (es
Inventor
Carlo Rescalli
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11371896&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2171493(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SnamProgetti SpA filed Critical SnamProgetti SpA
Application granted granted Critical
Publication of ES2171493T3 publication Critical patent/ES2171493T3/es
Publication of ES2171493T5 publication Critical patent/ES2171493T5/es
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)

Abstract

UN PROCESO PARA LA SINTESIS DE UREA PARTIENDO DE AMONIACO Y DIOXIDO DE CARBONO, COMPRENDE UN PASO DE REACCION LLEVADO A CABO EN AL MENOS DOS ZONAS DE OPERACION DISTINTAS BASICAMENTE A LA MISMA PRESION, PERO TENIENDO UNA TEMPERATURA DE OPERACION DISTINTA, SIENDO LA DIFERENCIA PREFERIBLEMENTE ENTRE 5 Y 60 (GRADOS) C, Y LOS SUBSECUENTES PASOS DE SEPARACION DE REACTIVOS NO TRANSFORMADOS, EN DONDE UNA CORRIENTE GASEOSA ES TRANSFERIDA DE LA PRIMERA ZONA, A UNA MAYOR TEMPERATURA, A LA SEGUNDA ZONA, A UNA TEMPERATURA INFERIOR, Y UNA CORRIENTE LIQUIDA, QUE CONTIENE UREA Y/O CARBAMATO AMONICO, ES TRANSFERIDO DE LA SEGUNDA ZONA A LA PRIMERA, ASI QUE DICHA CORRIENTE GASEOSA TIENE PREFERIBLEMENTE AL MENOS UN 5 % EN PESO RESPECTO A LA CORRIENTE EFLUENTE DE LA PRIMERA ZONA PARA LOS SUBSECUENTES PASOS DE SEPARACION. ESTE PROCESO PROPORCIONA LA OBTENCION DE UNA PROPORCION DE UREA/(UREA + CARBAMATO), EN LA CORRIENTE DE DICHO PASO DE REACCION, DE MAS DEL 70 %.
ES95120367T 1995-06-30 1995-12-21 Procedimiento para la sintesis de urea que comprende dos zonas de reaccion independientes. Expired - Lifetime ES2171493T5 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI951402A IT1275451B (it) 1995-06-30 1995-06-30 Procedimento per la sintesi dell'urea comprendente due separate zone di reazione
ITMI951402 1995-06-30

Publications (2)

Publication Number Publication Date
ES2171493T3 true ES2171493T3 (es) 2002-09-16
ES2171493T5 ES2171493T5 (es) 2006-01-16

Family

ID=11371896

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95120367T Expired - Lifetime ES2171493T5 (es) 1995-06-30 1995-12-21 Procedimiento para la sintesis de urea que comprende dos zonas de reaccion independientes.

Country Status (14)

Country Link
US (1) US5750780A (es)
EP (1) EP0751121B2 (es)
JP (1) JPH0920745A (es)
CN (1) CN1063172C (es)
AR (1) AR003141A1 (es)
AT (1) ATE212976T1 (es)
CA (1) CA2165898C (es)
DE (1) DE69525332T3 (es)
EG (1) EG21126A (es)
ES (1) ES2171493T5 (es)
IT (1) IT1275451B (es)
RU (1) RU2152383C1 (es)
SA (1) SA96160639B1 (es)
UA (1) UA43341C2 (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3987607B2 (ja) * 1996-10-07 2007-10-10 東洋エンジニアリング株式会社 改良された尿素合成方法および装置
JP4112056B2 (ja) * 1997-12-18 2008-07-02 東洋エンジニアリング株式会社 改良された尿素の合成方法および装置
AT411830B (de) * 1998-12-03 2004-06-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von harnstoff unter einbindung der melamin-offgase in eine harnstoffanlage
NL1027697C2 (nl) * 2004-12-09 2006-06-12 Dsm Ip Assets Bv Werkwijze voor het verhogen van de capaciteit van een bestaand ureumproces.
WO2009059615A1 (en) * 2007-11-07 2009-05-14 Matthias Spicher Method for producing a nitrogenous fertilizer from nitrogen-containing material of biogenous and industrial origin
US20090151229A1 (en) * 2007-12-12 2009-06-18 Chevron U.S.A. Inc. Carbon dioxide recovery from biofuels processes for the production of 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
RU2465950C1 (ru) * 2008-12-12 2012-11-10 Уде Гмбх Удаление аммиачного азота, аммонийного азота и мочевины окислением гипохлоритсодержащими растворами из отработанного воздуха в установках по производству аммиака и мочевины
ITMI20110804A1 (it) * 2011-05-10 2012-11-11 Saipem Spa "processo ad alta resa per la sintesi dell'urea"
EP2602245A1 (en) * 2011-12-05 2013-06-12 Urea Casale SA A process for synthesis of urea and a related arrangement for a reaction section of a urea plant
EP2784062A1 (en) 2013-03-27 2014-10-01 Urea Casale SA Method for revamping a self-stripping urea plant
GB2557081B (en) * 2015-09-08 2020-05-13 Toyo Engineering Corp Urea manufacturing method and urea manufacturing apparatus
EP3766865A1 (en) * 2019-07-18 2021-01-20 Casale Sa A process for the synthesis of urea
CN117229133A (zh) * 2023-11-16 2023-12-15 天津渤化工程有限公司 一种辛烯醛制备工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1147734A (en) * 1966-03-29 1969-04-02 Sumitomo Chemical Co Method for the preparation of urea
FR1538285A (fr) * 1966-10-07 1968-08-30 Montedison Spa Perfectionnement apporté au procédé de production d'urée
GB1196657A (en) * 1967-09-28 1970-07-01 Guido Giommi Process for the Manufacture of Urea from Ammonia and Carbon Dioxide
NL168506C (nl) † 1970-12-31 1982-04-16 Stamicarbon Werkwijze voor de bereiding van ureum.
BG35038A3 (en) * 1977-05-05 1984-01-16 Montedison Spa,It Method and installation for synthesis of urea
SU1113377A1 (ru) * 1981-08-19 1984-09-15 Предприятие П/Я Г-4302 Способ получени мочевины
CH650248A5 (en) * 1982-07-16 1985-07-15 Ammonia Casale Sa Process for producing urea
NL8303424A (nl) * 1983-10-06 1985-05-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
FR2577994B1 (fr) † 1985-02-25 1989-04-21 Renault Dispositif d'actionnement electrique de l'accelerateur d'un moteur a combustion interne
ZA96686B (en) * 1995-02-01 1996-08-16 Urea Casale Sa Process and plant for the production of urea with high conversion yield and low energy consumption

Also Published As

Publication number Publication date
CN1063172C (zh) 2001-03-14
IT1275451B (it) 1997-08-07
SA96160639B1 (ar) 2005-11-15
UA43341C2 (uk) 2001-12-17
US5750780A (en) 1998-05-12
EP0751121B1 (en) 2002-02-06
ITMI951402A0 (it) 1995-06-30
DE69525332T3 (de) 2006-04-27
EG21126A (en) 2000-11-29
ATE212976T1 (de) 2002-02-15
CA2165898C (en) 2007-04-10
ITMI951402A1 (it) 1996-12-30
AR003141A1 (es) 1998-07-08
EP0751121A2 (en) 1997-01-02
DE69525332T2 (de) 2002-10-17
ES2171493T5 (es) 2006-01-16
CN1139669A (zh) 1997-01-08
EP0751121B2 (en) 2005-07-20
RU2152383C1 (ru) 2000-07-10
JPH0920745A (ja) 1997-01-21
EP0751121A3 (en) 1998-06-10
DE69525332D1 (de) 2002-03-21
CA2165898A1 (en) 1996-12-31

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