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 métodoInfo
- 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
Links
- 230000005494 condensation Effects 0.000 title abstract 5
- 238000009833 condensation Methods 0.000 title abstract 5
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 239000007792 gaseous phase Substances 0.000 abstract 2
- 239000007791 liquid phase Substances 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/027—Header 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
- F28F9/0275—Header 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
-
- 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
- B01J19/0053—Details of the reactor
-
- 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
-
- 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
- B01J2219/00049—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0022—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
-
- 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
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (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.
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)
| 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 |
| 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 |
| 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)
| 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 |
| EP1195194B1 (en) * | 2000-10-09 | 2006-02-01 | Urea Casale S.A. | Improved apparatus for carbamate decomposition and ammonia and carbon dioxide stripping from urea solutions |
| 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 |
| US7493414B2 (en) * | 2004-04-20 | 2009-02-17 | The Boeing Company | Apparatus and methods relating to web browser redirection |
-
2003
- 2003-09-19 EP EP03021279A patent/EP1516664B1/en not_active Expired - Lifetime
- 2003-09-19 DE DE60336317T patent/DE60336317D1/de not_active Expired - Lifetime
- 2003-09-19 AT AT03021279T patent/ATE500887T1/de not_active IP Right Cessation
-
2004
- 2004-09-10 CA CA2481154A patent/CA2481154C/en not_active Expired - Lifetime
- 2004-09-10 US US10/937,952 patent/US7279599B2/en not_active Expired - Lifetime
- 2004-09-17 BR BRPI0403973-4B1A patent/BRPI0403973B1/pt not_active IP Right Cessation
- 2004-09-19 EG EG2004090401A patent/EG23625A/xx active
- 2004-09-20 RU RU2004127847/04A patent/RU2372327C2/ru active
- 2004-09-20 CN CN2004100825602A patent/CN1636973B/zh not_active Expired - Lifetime
- 2004-09-20 UA UA20040907633A patent/UA82476C2/uk unknown
-
2007
- 2007-09-05 US US11/850,222 patent/US7842255B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20080085229A1 (en) | 2008-04-10 |
| US7279599B2 (en) | 2007-10-09 |
| DE60336317D1 (de) | 2011-04-21 |
| EG23625A (en) | 2007-01-10 |
| CA2481154A1 (en) | 2005-03-19 |
| UA82476C2 (uk) | 2008-04-25 |
| CN1636973A (zh) | 2005-07-13 |
| US20050065374A1 (en) | 2005-03-24 |
| US7842255B2 (en) | 2010-11-30 |
| EP1516664A1 (en) | 2005-03-23 |
| EP1516664B1 (en) | 2011-03-09 |
| CN1636973B (zh) | 2010-08-11 |
| ATE500887T1 (de) | 2011-03-15 |
| RU2004127847A (ru) | 2006-02-20 |
| RU2372327C2 (ru) | 2009-11-10 |
| CA2481154C (en) | 2011-11-15 |
| BRPI0403973B1 (pt) | 2014-12-30 |
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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 |