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DE60133894D1 - Verfahren und vorrichtung zur herstellung von harnstoff - Google Patents

Verfahren und vorrichtung zur herstellung von harnstoff

Info

Publication number
DE60133894D1
DE60133894D1 DE60133894T DE60133894T DE60133894D1 DE 60133894 D1 DE60133894 D1 DE 60133894D1 DE 60133894 T DE60133894 T DE 60133894T DE 60133894 T DE60133894 T DE 60133894T DE 60133894 D1 DE60133894 D1 DE 60133894D1
Authority
DE
Germany
Prior art keywords
aqueous solution
heating fluid
predetermined temperature
urea
preparing urea
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
DE60133894T
Other languages
English (en)
Inventor
Giorgio Pagani
Federico Zardi
Domenico Romiti
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.)
Casale SA
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=DE60133894(D1) "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 DE60133894D1 publication Critical patent/DE60133894D1/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
    • 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)
DE60133894T 2000-06-15 2001-02-02 Verfahren und vorrichtung zur herstellung von harnstoff Expired - Lifetime DE60133894D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00112688 2000-06-15
PCT/EP2001/001098 WO2001096287A1 (en) 2000-06-15 2001-02-02 Process and plant for the production of urea

Publications (1)

Publication Number Publication Date
DE60133894D1 true DE60133894D1 (de) 2008-06-19

Family

ID=8168986

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60133894T Expired - Lifetime DE60133894D1 (de) 2000-06-15 2001-02-02 Verfahren und vorrichtung zur herstellung von harnstoff
DE60105292T Expired - Lifetime DE60105292T2 (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 After (1)

Application Number Title Priority Date Filing Date
DE60105292T Expired - Lifetime DE60105292T2 (de) 2000-06-15 2001-06-15 Verfahren zur zerlegung einer wässerigen carbamatlösung erhalten aus dem harnstoffrückgewinnungsteil einer anlage 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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1019848C2 (nl) * 2002-01-28 2003-07-30 Dsm Nv Werkwijze voor de bereiding van ureum.
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
US9914107B2 (en) * 2012-12-28 2018-03-13 Stamicarbon B.V. Urea plant revamping method
US10604477B2 (en) * 2015-09-08 2020-03-31 Toyo Engineering Corporation Urea manufacturing method and urea manufacturing apparatus
EP3871746A1 (de) 2020-02-25 2021-09-01 Yara International ASA Verteilungskammer für flüssigkeitsstrom

Family Cites Families (17)

* 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
RU2050351C1 (ru) * 1989-08-08 1995-12-20 Гусев Анатолий Иванович Способ получения карбамида
IT1232669B (it) * 1989-09-15 1992-03-02 Snam Progetti Procedimento per la produzione di urea con elevato rendimento energetico.
EP0495418B1 (de) * 1991-01-15 1997-10-15 Urea Casale S.A. 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
DE69326881D1 (de) * 1993-01-07 1999-12-02 Urea Casale Sa Verbessertes Verfahren zur Produktion von Harnstoff unter Verwendung eines Schrittes zur Kohlendioxidentfernung
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
RU2071467C1 (ru) * 1994-02-08 1997-01-10 Дмитрий Владимирович Котлярский Способ получения карбамида
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
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
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
US6649795B2 (en) 2003-11-18
AU2001272480A1 (en) 2001-12-24
CN1216041C (zh) 2005-08-24
EP1289942B1 (de) 2008-05-07
US20030013914A1 (en) 2003-01-16
EP1289943A1 (de) 2003-03-12
DE60105292T2 (de) 2005-02-17
CN1433400A (zh) 2003-07-30
DE60105292D1 (de) 2004-10-07
MXPA02011818A (es) 2003-04-10
CN1436169A (zh) 2003-08-13
CN1219755C (zh) 2005-09-21
AU2001230231A1 (en) 2001-12-24
US20020151749A1 (en) 2002-10-17
RU2247108C2 (ru) 2005-02-27
EP1289943B1 (de) 2004-09-01
MXPA02012329A (es) 2003-04-25
ATE394367T1 (de) 2008-05-15
ATE275128T1 (de) 2004-09-15
RU2258063C2 (ru) 2005-08-10
US6552224B2 (en) 2003-04-22
WO2001096287A1 (en) 2001-12-20
UA73996C2 (en) 2005-10-17
EP1289942A1 (de) 2003-03-12
WO2001096288A1 (en) 2001-12-20
UA72819C2 (en) 2005-04-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent