BR0001331B1 - método para modernização de uma instalação de produção de uréia. - Google Patents

método para modernização de uma instalação de produção de uréia.

Info

Publication number
BR0001331B1
BR0001331B1 BRPI0001331-5A BR0001331A BR0001331B1 BR 0001331 B1 BR0001331 B1 BR 0001331B1 BR 0001331 A BR0001331 A BR 0001331A BR 0001331 B1 BR0001331 B1 BR 0001331B1
Authority
BR
Brazil
Prior art keywords
upgrading
production facility
urea production
urea
facility
Prior art date
Application number
BRPI0001331-5A
Other languages
English (en)
Other versions
BR0001331A (pt
Inventor
Giorgio Pagani
Federico Zardi
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 filed Critical
Publication of BR0001331A publication Critical patent/BR0001331A/pt
Publication of BR0001331B1 publication Critical patent/BR0001331B1/pt

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
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • B01D5/0012—Vertical tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
    • B01D5/0081—Feeding the steam or the vapours
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/2425—Tubular reactors in parallel
    • 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
    • B01J2219/00018—Construction aspects
    • B01J2219/00024—Revamping, retrofitting or modernisation of existing 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
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00081—Tubes
    • 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
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BRPI0001331-5A 1999-03-16 2000-03-16 método para modernização de uma instalação de produção de uréia. BR0001331B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99200794A EP1036787B1 (en) 1999-03-16 1999-03-16 Method for modernizing a urea production plant

Publications (2)

Publication Number Publication Date
BR0001331A BR0001331A (pt) 2000-10-17
BR0001331B1 true BR0001331B1 (pt) 2009-08-11

Family

ID=8239989

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0001331-5A BR0001331B1 (pt) 1999-03-16 2000-03-16 método para modernização de uma instalação de produção de uréia.

Country Status (11)

Country Link
US (2) US6284922B1 (pt)
EP (1) EP1036787B1 (pt)
KR (1) KR20000062909A (pt)
CN (1) CN1189451C (pt)
BR (1) BR0001331B1 (pt)
CA (1) CA2300518C (pt)
DE (1) DE69908545T2 (pt)
EG (1) EG22752A (pt)
HU (1) HUP0001005A3 (pt)
RU (1) RU2233836C2 (pt)
UA (1) UA66805C2 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1201298A1 (en) 2000-10-24 2002-05-02 Urea Casale S.A. Carbamate condensation unit
NL1019080C2 (nl) * 2001-10-01 2003-04-02 Dsm Nv Werkwijze voor de bereiding van ureum.
NL1019081C2 (nl) * 2001-10-01 2003-04-02 Dsm Nv Werkwijze voor de bereiding van ureum.
ATE500887T1 (de) 2003-09-19 2011-03-15 Urea Casale Sa Karbamatkondensationsverfahren
EP1923383A1 (en) * 2006-11-20 2008-05-21 Urea Casale S.A. Method for the modernization of a urea production plant
CN101600685A (zh) * 2006-12-08 2009-12-09 帝斯曼知识产权资产管理有限公司 制备尿素的方法
EP1975151A1 (en) * 2007-03-29 2008-10-01 Urea Casale S.A. Method for modernizing a urea production plant
EP2502881A1 (en) 2011-03-24 2012-09-26 Urea Casale S.A. Process and plant for ammonia-urea production
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
DE102014004071A1 (de) * 2014-03-20 2015-09-24 Unify Gmbh & Co. Kg Verfahren, Vorrichtung und System zur Steuerung einer Konferenz
CN113476880B (zh) 2017-10-27 2023-01-24 斯塔米卡邦有限公司 高压氨基甲酸盐冷凝器
EP3689433A1 (en) * 2019-01-29 2020-08-05 Yara International ASA High pressure strippers for use in urea plants
EP3733279A1 (en) 2019-05-03 2020-11-04 Yara International ASA High pressure strippers for use in urea plants
EP3838398A1 (en) * 2019-12-20 2021-06-23 Casale Sa Combined reactor for high-pressure synthesis of melamine
PE20221806A1 (es) 2020-02-25 2022-11-29 Casale Sa Proceso y planta para la sintesis de urea
EP4092368A1 (en) * 2021-05-21 2022-11-23 Yara International ASA Heat exchanging device comprising a recirculation system and method for reducing fouling in a heat exchanger

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1014987B (it) * 1974-06-12 1977-04-30 Snam Progetti Procedimento integrato urea am moniaca
IT1232669B (it) * 1989-09-15 1992-03-02 Snam Progetti Procedimento per la produzione di urea con elevato rendimento energetico.
EP0611753B1 (en) * 1993-01-07 1999-10-27 Urea Casale S.A. Improved process for urea production involving a carbon dioxide stripping step
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
IT1274362B (it) * 1995-02-16 1997-07-17 Snam Progetti Procedimento ad alta resa per la sintesi dell'urea
US5523483A (en) * 1995-06-16 1996-06-04 The M. W. Kellogg Company Integrated urea/ammonia process
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.
NL1011123C2 (nl) * 1999-01-25 2000-07-27 Dsm Nv Werkwijze voor de bereiding van ureum.

Also Published As

Publication number Publication date
HU0001005D0 (en) 2000-05-28
HUP0001005A2 (hu) 2001-12-28
CN1267668A (zh) 2000-09-27
DE69908545T2 (de) 2004-04-29
RU2233836C2 (ru) 2004-08-10
US6284922B1 (en) 2001-09-04
DE69908545D1 (de) 2003-07-10
US20010031893A1 (en) 2001-10-18
EG22752A (en) 2003-07-30
HUP0001005A3 (en) 2004-03-29
EP1036787B1 (en) 2003-06-04
BR0001331A (pt) 2000-10-17
KR20000062909A (ko) 2000-10-25
CN1189451C (zh) 2005-02-16
UA66805C2 (uk) 2004-06-15
EP1036787A1 (en) 2000-09-20
US6702992B2 (en) 2004-03-09
CA2300518C (en) 2007-05-22
CA2300518A1 (en) 2000-09-16

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Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 16/03/2000, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 16.03.2020