CN101679224B - 用于尿素合成的增强的方法 - Google Patents

用于尿素合成的增强的方法 Download PDF

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Publication number
CN101679224B
CN101679224B CN2008800194349A CN200880019434A CN101679224B CN 101679224 B CN101679224 B CN 101679224B CN 2008800194349 A CN2008800194349 A CN 2008800194349A CN 200880019434 A CN200880019434 A CN 200880019434A CN 101679224 B CN101679224 B CN 101679224B
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China
Prior art keywords
logistics
fed
reactor
stream
stripping tower
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Expired - Fee Related
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CN2008800194349A
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English (en)
Chinese (zh)
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CN101679224A (zh
Inventor
L·卡利西
A·詹纳萨
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Saipem SpA
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Saipem SpA
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Publication of CN101679224A publication Critical patent/CN101679224A/zh
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN2008800194349A 2007-05-22 2008-05-19 用于尿素合成的增强的方法 Expired - Fee Related CN101679224B (zh)

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
CN101679224A CN101679224A (zh) 2010-03-24
CN101679224B true CN101679224B (zh) 2013-11-06

Family

ID=38691998

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008800194349A Expired - Fee Related CN101679224B (zh) 2007-05-22 2008-05-19 用于尿素合成的增强的方法

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 (4)

* 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
CN86101228A (zh) * 1985-03-04 1986-10-22 乌尼范公司 用二氧化碳和氨制造尿素的方法
CN1840523A (zh) * 2005-03-03 2006-10-04 乌里阿·卡萨勒有限公司 尿素制备方法及相关设备

Family Cites Families (4)

* 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
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

Patent Citations (4)

* 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
CN86101228A (zh) * 1985-03-04 1986-10-22 乌尼范公司 用二氧化碳和氨制造尿素的方法
CN1840523A (zh) * 2005-03-03 2006-10-04 乌里阿·卡萨勒有限公司 尿素制备方法及相关设备

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
CN101679224A (zh) 2010-03-24
JP5378361B2 (ja) 2013-12-25
RU2468002C2 (ru) 2012-11-27
US8106241B2 (en) 2012-01-31
AU2008253238B2 (en) 2013-05-16
UA97980C2 (uk) 2012-04-10

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