BRPI0403973A - Método para condensação de carbamato e unidade para realização de tal método - Google Patents

Método para condensação de carbamato e unidade para realização de tal método

Info

Publication number
BRPI0403973A
BRPI0403973A BR0403973-4A BRPI0403973A BRPI0403973A BR PI0403973 A BRPI0403973 A BR PI0403973A BR PI0403973 A BRPI0403973 A BR PI0403973A BR PI0403973 A BRPI0403973 A BR PI0403973A
Authority
BR
Brazil
Prior art keywords
condensation
unit
carrying
carbamate
carbamate condensation
Prior art date
Application number
BR0403973-4A
Other languages
English (en)
Inventor
Lorenzo Pennino
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
Publication of BRPI0403973A publication Critical patent/BRPI0403973A/pt
Publication of BRPI0403973B1 publication Critical patent/BRPI0403973B1/pt

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/026Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/027Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
    • F28F9/0275Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes with multiple branch pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • B01D5/0012Vertical tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0078Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
    • B01D5/0081Feeding the steam or the vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/2415Tubular reactors
    • B01J19/2425Tubular reactors in parallel
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00081Tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00159Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0022Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Prostheses (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

"MéTODO PARA CONDENSAçãO DE CARBAMATO E UNIDADE PARA REALIZAçãO DE TAL MéTODO". A presente invenção se refere a um método para condensação de carbamato de uma fase aquosa de dióxido de carbono/amónia em uma fase líquida, em uma unidade de condensação do assim chamado tipo submerso, compreendendo um feixe de tubos trocador de calor, o qual apresenta um determinado número de tubos idealizados para condensação de carbamato, em que a fase gasosa e a fase líquida são alimentadas simultaneamente e independentemente a cada um dos tubos idealizados para condensação.
BRPI0403973-4B1A 2003-09-19 2004-09-17 Método para condensação de carbamato e unidade para realização de tal método BRPI0403973B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03021279A EP1516664B1 (en) 2003-09-19 2003-09-19 Carbamate condensation method

Publications (2)

Publication Number Publication Date
BRPI0403973A true BRPI0403973A (pt) 2005-06-14
BRPI0403973B1 BRPI0403973B1 (pt) 2014-12-30

Family

ID=34178456

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0403973-4B1A BRPI0403973B1 (pt) 2003-09-19 2004-09-17 Método para condensação de carbamato e unidade para realização de tal método

Country Status (10)

Country Link
US (2) US7279599B2 (pt)
EP (1) EP1516664B1 (pt)
CN (1) CN1636973B (pt)
AT (1) ATE500887T1 (pt)
BR (1) BRPI0403973B1 (pt)
CA (1) CA2481154C (pt)
DE (1) DE60336317D1 (pt)
EG (1) EG23625A (pt)
RU (1) RU2372327C2 (pt)
UA (1) UA82476C2 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100340320C (zh) * 2005-08-03 2007-10-03 四川泸天化股份有限公司 低阻力降直立列管式吸收预冷凝器处理混合气的方法
EP1923383A1 (en) * 2006-11-20 2008-05-21 Urea Casale S.A. Method for the modernization of a urea production plant
EP2128129A1 (en) * 2008-05-20 2009-12-02 Urea Casale S.A. Method for the modernization of a urea production plant
FR2933877B1 (fr) * 2008-07-15 2011-04-15 Inst Francais Du Petrole Reacteur de traitement ou d'hydrotraitement avec un lit granulaire ainsi qu'une phase essentiellement liquide et une phase essentiellement gazeuse traversant le lit
KR101266675B1 (ko) * 2009-12-31 2013-05-28 엘지전자 주식회사 냉매사이클 연동 물 순환 시스템
EP2359921A1 (en) * 2010-02-12 2011-08-24 Urea Casale SA Falling-film stripper and stripping medium distributor for carbamate decomposition
US20180306500A1 (en) * 2017-04-21 2018-10-25 Larry Baxter Method for Preventing Fouling of Cryogenic Injection Systems
IT201700121364A1 (it) * 2017-10-25 2019-04-25 Saipem Spa Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea
PE20200917A1 (es) * 2017-10-27 2020-09-14 Stamicarbon Condensador de carbamato de alta presion, y planta y proceso de produccion de urea que emplean dicho condensador
CO2018013728A1 (es) * 2018-12-18 2020-06-19 Restrepo Juan Camilo Morales Dispositivo de condensación
EP3733279A1 (en) 2019-05-03 2020-11-04 Yara International ASA High pressure strippers for use in urea plants
EP3981485A1 (en) 2020-10-08 2022-04-13 Yara International ASA Bottom chamber of a stripper

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2385200A (en) * 1942-06-25 1945-09-18 Hooker Electrochemical Co Methods and apparatus for reacting gases with liquids
US3268435A (en) * 1963-09-30 1966-08-23 Sellin Jan Process and apparatus for admission to tubes in tube heaters
US4792436A (en) * 1987-05-08 1988-12-20 Kinetics Technology International Hydrocarbon converter furnace
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
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.
EP1036787B1 (en) * 1999-03-16 2003-06-04 Urea Casale S.A. Method for modernizing a urea production plant
DE60025780T2 (de) * 2000-10-09 2006-11-09 Urea Casale S.A. Vorrichtung zur Zersetzung von Karbamat und zum Strippen von Ammoniak sowie Kohlendioxid aus Harnstofflösungen
EP1201298A1 (en) 2000-10-24 2002-05-02 Urea Casale S.A. Carbamate condensation unit
EP1449827A1 (en) * 2003-02-21 2004-08-25 Urea Casale S.A. Process and plant for the production of urea
US20060031394A1 (en) * 2004-04-20 2006-02-09 Tazuma Stanley K Apparatus and methods for transparent handling of browser proxy configurations in a network gateway device

Also Published As

Publication number Publication date
CN1636973A (zh) 2005-07-13
RU2004127847A (ru) 2006-02-20
EP1516664B1 (en) 2011-03-09
BRPI0403973B1 (pt) 2014-12-30
UA82476C2 (uk) 2008-04-25
CA2481154C (en) 2011-11-15
EP1516664A1 (en) 2005-03-23
EG23625A (en) 2007-01-10
CN1636973B (zh) 2010-08-11
ATE500887T1 (de) 2011-03-15
RU2372327C2 (ru) 2009-11-10
DE60336317D1 (de) 2011-04-21
US7279599B2 (en) 2007-10-09
US7842255B2 (en) 2010-11-30
US20080085229A1 (en) 2008-04-10
US20050065374A1 (en) 2005-03-24
CA2481154A1 (en) 2005-03-19

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
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: 10 (DEZ) ANOS CONTADOS A PARTIR DE 30/12/2014, OBSERVADAS AS CONDICOES LEGAIS.

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

Free format text: PATENTE EXTINTA EM 30/12/2024