AU2008253238B2 - Enhanced process for the synthesis of urea - Google Patents

Enhanced process for the synthesis of urea Download PDF

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Publication number
AU2008253238B2
AU2008253238B2 AU2008253238A AU2008253238A AU2008253238B2 AU 2008253238 B2 AU2008253238 B2 AU 2008253238B2 AU 2008253238 A AU2008253238 A AU 2008253238A AU 2008253238 A AU2008253238 A AU 2008253238A AU 2008253238 B2 AU2008253238 B2 AU 2008253238B2
Authority
AU
Australia
Prior art keywords
stream
stripper
reactor
line
process according
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.)
Ceased
Application number
AU2008253238A
Other languages
English (en)
Other versions
AU2008253238A1 (en
Inventor
Lino Carlessi
Alessandro Gianazza
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.)
Saipem SpA
Original Assignee
Saipem 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 Saipem SpA filed Critical Saipem SpA
Publication of AU2008253238A1 publication Critical patent/AU2008253238A1/en
Application granted granted Critical
Publication of AU2008253238B2 publication Critical patent/AU2008253238B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00004—Scale aspects
    • B01J2219/00006—Large-scale industrial plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00027—Process aspects
    • B01J2219/0004—Processes in series
    • 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)
AU2008253238A 2007-05-22 2008-05-19 Enhanced process for the synthesis of urea Ceased AU2008253238B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT001029A ITMI20071029A1 (it) 2007-05-22 2007-05-22 Procedimento migliorato per la sintesi di urea
ITMI2007A001029 2007-05-22
PCT/EP2008/004119 WO2008141832A1 (en) 2007-05-22 2008-05-19 Enhanced process for the synthesis of urea

Publications (2)

Publication Number Publication Date
AU2008253238A1 AU2008253238A1 (en) 2008-11-27
AU2008253238B2 true AU2008253238B2 (en) 2013-05-16

Family

ID=38691998

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2008253238A Ceased AU2008253238B2 (en) 2007-05-22 2008-05-19 Enhanced process for the synthesis of urea

Country Status (14)

Country Link
US (1) US8106241B2 (enExample)
EP (1) EP2152666B1 (enExample)
JP (1) JP5378361B2 (enExample)
CN (1) CN101679224B (enExample)
AR (1) AR066652A1 (enExample)
AU (1) AU2008253238B2 (enExample)
CA (1) CA2687668C (enExample)
EG (1) EG25867A (enExample)
IT (1) ITMI20071029A1 (enExample)
MX (1) MX2009012541A (enExample)
PL (1) PL2152666T3 (enExample)
RU (1) RU2468002C2 (enExample)
UA (1) UA97980C2 (enExample)
WO (1) WO2008141832A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2128129A1 (en) * 2008-05-20 2009-12-02 Urea Casale S.A. Method for the modernization of a urea production plant
IT1395383B1 (it) * 2009-09-09 2012-09-14 Saipem Spa Metodo di separazione di ammoniaca e diossido di carbonio da soluzioni acquose
WO2021220058A1 (en) 2020-05-01 2021-11-04 Monday.com Ltd. Digital processing systems and methods for enhanced collaborative workflow and networking systems, methods, and devices
ITMI20110804A1 (it) * 2011-05-10 2012-11-11 Saipem Spa "processo ad alta resa per la sintesi dell'urea"
ITMI20111299A1 (it) * 2011-07-12 2013-01-13 Saipem Spa Piatto di reattore per la produzione di urea, e reattore e processo di produzione di urea
ITMI20120013A1 (it) * 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
CN102635536A (zh) * 2012-05-03 2012-08-15 内蒙古乌拉山化肥有限责任公司 一种防止五段式co2压缩机中co2液化的方法
NO341768B1 (no) * 2012-08-29 2018-01-15 Yara Int Asa Passivert urea og gjødselblandinger
ITMI20130268A1 (it) 2013-02-25 2014-08-26 Saipem Spa Metodo e sistema per l'abbattimento di ammoniaca da un flusso gassoso di scarico di un impianto urea
GB2530447B (en) 2013-05-28 2020-02-26 Toyo Engineering Corp Urea synthesis method
ITMI20131139A1 (it) * 2013-07-05 2015-01-06 Saipem Spa Sistema e metodo di diffusione di gas per immettere un flusso gassoso, in particolare un flusso gassoso passivante, in un apparato di un impianto urea
CN103396343A (zh) * 2013-07-09 2013-11-20 内蒙古鄂尔多斯联合化工有限公司 二氧化碳气提尿素生产工艺系统防腐方法
IT201700090748A1 (it) * 2017-08-04 2019-02-04 Saipem Spa Processo e impianto di produzione di urea facenti uso di co2 prodotta tramite ossi-combustione
JP2023108791A (ja) * 2022-01-26 2023-08-07 東洋エンジニアリング株式会社 尿素合成方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137724A (en) * 1956-04-16 1964-06-16 Lonza Electric & Chem Works Process for the pressure synthesis of urea
GB1341497A (en) * 1970-04-02 1973-12-19 Snam Progetti Process for the production of urea

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5746954A (en) * 1980-09-05 1982-03-17 Mitsui Toatsu Chem Inc Synthesis of urea
NL8500591A (nl) * 1985-03-04 1986-10-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum uit kooldioxide en ammoniak.
NL8502227A (nl) 1985-08-12 1987-03-02 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
IT1245396B (it) * 1991-03-22 1994-09-20 Snam Progetti Procedimento per la produzione di urea ad elevata efficienza energetica
JP4358428B2 (ja) * 2000-11-01 2009-11-04 東洋エンジニアリング株式会社 尿素製造方法
RU2396253C2 (ru) * 2005-03-03 2010-08-10 Уреа Казале С.А. Способ получения мочевины и установка для его осуществления

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137724A (en) * 1956-04-16 1964-06-16 Lonza Electric & Chem Works Process for the pressure synthesis of urea
GB1341497A (en) * 1970-04-02 1973-12-19 Snam Progetti Process for the production of urea

Also Published As

Publication number Publication date
EP2152666B1 (en) 2013-03-27
US20100217041A1 (en) 2010-08-26
ITMI20071029A1 (it) 2008-11-23
AU2008253238A1 (en) 2008-11-27
WO2008141832A8 (en) 2009-12-17
AR066652A1 (es) 2009-09-02
JP2010527949A (ja) 2010-08-19
RU2009145646A (ru) 2011-06-27
CA2687668C (en) 2016-03-22
EP2152666A1 (en) 2010-02-17
WO2008141832A1 (en) 2008-11-27
EG25867A (en) 2012-09-12
MX2009012541A (es) 2010-02-12
CA2687668A1 (en) 2008-11-27
PL2152666T3 (pl) 2013-09-30
CN101679224B (zh) 2013-11-06
CN101679224A (zh) 2010-03-24
JP5378361B2 (ja) 2013-12-25
RU2468002C2 (ru) 2012-11-27
US8106241B2 (en) 2012-01-31
UA97980C2 (uk) 2012-04-10

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired