EG22752A - Method for modernizing a urea production plant - Google Patents

Method for modernizing a urea production plant

Info

Publication number
EG22752A
EG22752A EG20000318A EG20000318A EG22752A EG 22752 A EG22752 A EG 22752A EG 20000318 A EG20000318 A EG 20000318A EG 20000318 A EG20000318 A EG 20000318A EG 22752 A EG22752 A EG 22752A
Authority
EG
Egypt
Prior art keywords
modernizing
production plant
urea production
urea
plant
Prior art date
Application number
EG20000318A
Other languages
English (en)
Inventor
Giorgio Pagani
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
Application filed by Urea Casale Sa filed Critical Urea Casale Sa
Application granted granted Critical
Publication of EG22752A publication Critical patent/EG22752A/xx

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)
EG20000318A 1999-03-16 2000-03-12 Method for modernizing a urea production plant EG22752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99200794A EP1036787B1 (fr) 1999-03-16 1999-03-16 Procédé pour la modernisation d'une usine de production d'urée

Publications (1)

Publication Number Publication Date
EG22752A true EG22752A (en) 2003-07-30

Family

ID=8239989

Family Applications (1)

Application Number Title Priority Date Filing Date
EG20000318A EG22752A (en) 1999-03-16 2000-03-12 Method for modernizing a urea production plant

Country Status (11)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1201298A1 (fr) 2000-10-24 2002-05-02 Urea Casale S.A. Dispositif pour la condensation de carbamate
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.
DE60336317D1 (de) 2003-09-19 2011-04-21 Urea Casale Sa Karbamatkondensationsverfahren
EP1923383A1 (fr) 2006-11-20 2008-05-21 Urea Casale S.A. Procédé pour la modernisation d'une usine de production d'urée
WO2008068210A1 (fr) * 2006-12-08 2008-06-12 Dsm Ip Assets B.V. Procédé destiné à la préparation d'urée
EP1975151A1 (fr) 2007-03-29 2008-10-01 Urea Casale S.A. Procédé pour la modernisation d'une installation de production d'urée
EP2502881A1 (fr) * 2011-03-24 2012-09-26 Urea Casale S.A. Procédé et installation pour la production d'urée-ammoniac
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
CN111278804B (zh) * 2017-10-27 2021-07-20 斯塔米卡邦有限公司 高压氨基甲酸盐冷凝器
EP3689433A1 (fr) * 2019-01-29 2020-08-05 Yara International ASA Extracteurs à haute pression destinés à être utilisés dans des installations de production d'urée
EP3733279A1 (fr) 2019-05-03 2020-11-04 Yara International ASA Extracteurs à haute pression destinés à être utilisés dans des installations de production d'urée
EP3838398A1 (fr) * 2019-12-20 2021-06-23 Casale Sa Réacteur combiné pour synthèse haute pression de mélamine
WO2021170391A1 (fr) 2020-02-25 2021-09-02 Casale Sa Procédé et installation de synthèse d'urée
EP4092368A1 (fr) * 2021-05-21 2022-11-23 Yara International ASA Dispositif d'échange de chaleur comprenant un système de recirculation et procédé pour réduire l'encrassement dans un échangeur de chaleur

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 (fr) * 1993-01-07 1999-10-27 Urea Casale S.A. Procédé amélioré de production d'urée incluant une étape de strippage de dioxide de carbone
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
US20010031893A1 (en) 2001-10-18
CA2300518C (fr) 2007-05-22
US6702992B2 (en) 2004-03-09
HUP0001005A3 (en) 2004-03-29
US6284922B1 (en) 2001-09-04
HUP0001005A2 (hu) 2001-12-28
EP1036787A1 (fr) 2000-09-20
HU0001005D0 (en) 2000-05-28
EP1036787B1 (fr) 2003-06-04
RU2233836C2 (ru) 2004-08-10
KR20000062909A (ko) 2000-10-25
BR0001331A (pt) 2000-10-17
CN1189451C (zh) 2005-02-16
CN1267668A (zh) 2000-09-27
DE69908545D1 (de) 2003-07-10
DE69908545T2 (de) 2004-04-29
CA2300518A1 (fr) 2000-09-16
UA66805C2 (uk) 2004-06-15
BR0001331B1 (pt) 2009-08-11

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