ATE275128T1 - Verfahren zur zerlegung einer wässerigen carbamatlösung erhalten aus dem harnstoffrückgewinnungsteil einer anlage zur herstellung von harnstoff - Google Patents

Verfahren zur zerlegung einer wässerigen carbamatlösung erhalten aus dem harnstoffrückgewinnungsteil einer anlage zur herstellung von harnstoff

Info

Publication number
ATE275128T1
ATE275128T1 AT01951596T AT01951596T ATE275128T1 AT E275128 T1 ATE275128 T1 AT E275128T1 AT 01951596 T AT01951596 T AT 01951596T AT 01951596 T AT01951596 T AT 01951596T AT E275128 T1 ATE275128 T1 AT E275128T1
Authority
AT
Austria
Prior art keywords
urea
plant
carbama
decompositing
aqueous
Prior art date
Application number
AT01951596T
Other languages
English (en)
Inventor
Giorgio Pagani
Federico Zardi
Domenico Romiti
Original Assignee
Urea Casale Sa
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=8168986&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE275128(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Urea Casale Sa filed Critical Urea Casale Sa
Application granted granted Critical
Publication of ATE275128T1 publication Critical patent/ATE275128T1/de

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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
AT01951596T 2000-06-15 2001-06-15 Verfahren zur zerlegung einer wässerigen carbamatlösung erhalten aus dem harnstoffrückgewinnungsteil einer anlage zur herstellung von harnstoff ATE275128T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00112688 2000-06-15
PCT/EP2001/006775 WO2001096288A1 (en) 2000-06-15 2001-06-15 Process for decomposing a carbamate aqueous solution coming from the urea recovery section of a urea production plant

Publications (1)

Publication Number Publication Date
ATE275128T1 true ATE275128T1 (de) 2004-09-15

Family

ID=8168986

Family Applications (2)

Application Number Title Priority Date Filing Date
AT01902384T ATE394367T1 (de) 2000-06-15 2001-02-02 Verfahren und vorrichtung zur herstellung von harnstoff
AT01951596T ATE275128T1 (de) 2000-06-15 2001-06-15 Verfahren zur zerlegung einer wässerigen carbamatlösung erhalten aus dem harnstoffrückgewinnungsteil einer anlage zur herstellung von harnstoff

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT01902384T ATE394367T1 (de) 2000-06-15 2001-02-02 Verfahren und vorrichtung zur herstellung von harnstoff

Country Status (10)

Country Link
US (2) US6552224B2 (de)
EP (2) EP1289942B1 (de)
CN (2) CN1216041C (de)
AT (2) ATE394367T1 (de)
AU (2) AU2001230231A1 (de)
DE (2) DE60133894D1 (de)
MX (2) MXPA02012329A (de)
RU (2) RU2258063C2 (de)
UA (2) UA73996C2 (de)
WO (2) WO2001096287A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1918273A1 (de) * 2006-11-04 2008-05-07 Urea Casale S.A. Verfahren und Anlage für die Herstellung von Harnstoff
CN101823984B (zh) * 2010-04-29 2012-11-28 聊城市鲁西化工工程设计有限责任公司 水解解吸热能的回收工艺及设备
EP2502881A1 (de) 2011-03-24 2012-09-26 Urea Casale S.A. Verfahren und Anlage zur Ammoniak-Harnstoffherstellung
PE20151041A1 (es) * 2012-12-28 2015-07-31 Stamicarbon Metodo de modernizacion de planta de urea
GB2557081B (en) * 2015-09-08 2020-05-13 Toyo Engineering Corp Urea manufacturing method and urea manufacturing apparatus
EP3871746A1 (de) 2020-02-25 2021-09-01 Yara International ASA Verteilungskammer für flüssigkeitsstrom

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929878A (en) * 1971-05-10 1975-12-30 Ivo Mavrovic Decomposition of ammonium carbamate
US4110374A (en) * 1976-03-02 1978-08-29 Mitsui Toatsu Chemicals Inc. Process for separating and recovering unreacted materials in urea synthesis
US4088684A (en) * 1976-07-30 1978-05-09 Ivo Mavrovic Urea reactor effluent solution recycle in urea synthesis
NL8104040A (nl) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8303888A (nl) * 1983-11-13 1985-06-03 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
IN169678B (de) * 1987-08-13 1991-11-30 Austral Pacific Fertilizers
IT1232669B (it) * 1989-09-15 1992-03-02 Snam Progetti Procedimento per la produzione di urea con elevato rendimento energetico.
ATE159245T1 (de) * 1991-01-15 1997-11-15 Urea Casale Sa Verfahren und vorrichtung zur verbesserung der ausbeute und herstellungspotential von harnstoffreaktoren
IT1245396B (it) * 1991-03-22 1994-09-20 Snam Progetti Procedimento per la produzione di urea ad elevata efficienza energetica
US5523482A (en) * 1993-05-14 1996-06-04 Urea Casale S.A. Process and plant for the production of urea in reaction spaces with different yields
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
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.
NL1009516C2 (nl) * 1998-06-29 2000-01-04 Dsm Nv Werkwijze voor de bereiding van ureum.

Also Published As

Publication number Publication date
WO2001096288A1 (en) 2001-12-20
CN1436169A (zh) 2003-08-13
EP1289943B1 (de) 2004-09-01
AU2001272480A1 (en) 2001-12-24
US20030013914A1 (en) 2003-01-16
CN1216041C (zh) 2005-08-24
DE60105292D1 (de) 2004-10-07
WO2001096287A1 (en) 2001-12-20
UA72819C2 (en) 2005-04-15
EP1289942A1 (de) 2003-03-12
US20020151749A1 (en) 2002-10-17
RU2258063C2 (ru) 2005-08-10
MXPA02011818A (es) 2003-04-10
UA73996C2 (en) 2005-10-17
AU2001230231A1 (en) 2001-12-24
US6649795B2 (en) 2003-11-18
EP1289943A1 (de) 2003-03-12
EP1289942B1 (de) 2008-05-07
DE60105292T2 (de) 2005-02-17
CN1433400A (zh) 2003-07-30
CN1219755C (zh) 2005-09-21
RU2247108C2 (ru) 2005-02-27
DE60133894D1 (de) 2008-06-19
US6552224B2 (en) 2003-04-22
MXPA02012329A (es) 2003-04-25
ATE394367T1 (de) 2008-05-15

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