BE902246A - Procede de fabrication d'uree. - Google Patents
Procede de fabrication d'uree.Info
- Publication number
- BE902246A BE902246A BE0/214885A BE214885A BE902246A BE 902246 A BE902246 A BE 902246A BE 0/214885 A BE0/214885 A BE 0/214885A BE 214885 A BE214885 A BE 214885A BE 902246 A BE902246 A BE 902246A
- Authority
- BE
- Belgium
- Prior art keywords
- decomposition
- urea
- phase
- condensers
- tubes
- Prior art date
Links
Classifications
-
- 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
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
- F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
-
- 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
- B01J2219/02—Apparatus characterised by their chemically-resistant properties
- B01J2219/0204—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components
- B01J2219/0236—Metal based
-
- 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
- B01J2219/02—Apparatus characterised by their chemically-resistant properties
- B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
- B01J2219/0277—Metal based
- B01J2219/0286—Steel
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Procédé de fabrication d'urée comprenant une phase de réaction entre de l'ammoniac et CO2 dans un ou plusieurs réacteurs, de manière à produire une solution aqueuse contenant de l'urée, du carbamate d'ammonium et l'excédent de l'ammoniac utilisé dans la synthèse, une phase de décomposition du carbamate d'ammonium dans des appareils de décomposition avec une élimination des produits de décomposition, une phase de condensation dans des condenseurs des produits de décomposition du carbamate en meme temps que des agents d'élimination les appareils de décomposition et/ou les condenseurs étant des pièces d'appareillage du type muni d'un ensemble de tubes, en acier de la qualité convenant pour l'urée, revetus intérieurement d'une mince feuille de zirconium non soudée auxdits tubes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8420635A IT1209532B (it) | 1984-04-20 | 1984-04-20 | Processo per la sintesi di urea e materiale utilizzato nello stesso. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE902246A true BE902246A (fr) | 1985-10-21 |
Family
ID=11169848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/214885A BE902246A (fr) | 1984-04-20 | 1985-04-19 | Procede de fabrication d'uree. |
Country Status (22)
Country | Link |
---|---|
US (1) | US4899813A (fr) |
JP (1) | JPS60233047A (fr) |
AR (1) | AR240914A1 (fr) |
AU (1) | AU572284B2 (fr) |
BE (1) | BE902246A (fr) |
CA (1) | CA1331993C (fr) |
DE (1) | DE3514250A1 (fr) |
DK (1) | DK175985D0 (fr) |
ES (1) | ES543108A0 (fr) |
FR (1) | FR2563217A1 (fr) |
GB (1) | GB2157687B (fr) |
GR (1) | GR850954B (fr) |
IN (1) | IN164410B (fr) |
IT (1) | IT1209532B (fr) |
LU (1) | LU85857A1 (fr) |
MX (1) | MX160685A (fr) |
NL (1) | NL8501151A (fr) |
NO (1) | NO163559C (fr) |
PT (1) | PT80322B (fr) |
SE (1) | SE8501859L (fr) |
SU (1) | SU1731045A3 (fr) |
ZA (1) | ZA852725B (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
UA26895C2 (uk) * | 1990-03-12 | 1999-12-29 | Уріа Казале С.А. | Спосіб коhдеhсації парів аміаку, вуглекислого газу і води та пристрій для його здійсhеhhя |
DE9405062U1 (de) * | 1994-03-24 | 1994-05-26 | Hoval Interliz Ag, Vaduz-Neugut | Wärmetauscherrohr für Heizkessel |
DE19534823C2 (de) * | 1995-09-20 | 2002-08-22 | Ruhr Oel Gmbh | Rohrbündel-Wärmeübertrager |
AT403735B (de) * | 1996-03-11 | 1998-05-25 | Vaillant Gmbh | Lamellenwärmetauscher |
US6318094B1 (en) | 2000-08-11 | 2001-11-20 | Paul Mueller Company | Bimetallic tube in a heat exchanger of an ice making machine |
ITMI20021009A1 (it) * | 2002-05-13 | 2003-11-13 | Snam Progetti | Apparecchiatura a fascio tubiero per processare fluidi corrosivi |
EP1577632A1 (fr) * | 2004-03-16 | 2005-09-21 | Urea Casale S.A. | Dispositif pour le traitement d'agents hautement corrosifs |
US7922065B2 (en) | 2004-08-02 | 2011-04-12 | Ati Properties, Inc. | Corrosion resistant fluid conducting parts, methods of making corrosion resistant fluid conducting parts and equipment and parts replacement methods utilizing corrosion resistant fluid conducting parts |
ITMI20061223A1 (it) * | 2006-06-26 | 2007-12-27 | Snam Progetti | Tubo bimetallico resistente alla corrosione e suo utilizzo in apparecchiature a fascio tubiwero |
IT1391426B1 (it) | 2008-07-17 | 2011-12-23 | Snam Progetti | Apparecchiatura a fascio tubiero per processare fluidi corrosivi |
EP2286909A1 (fr) * | 2009-08-17 | 2011-02-23 | Stamicarbon B.V. | Appareil pour la décomposition de carbamate d'ammonium non converti dans des solutions d'urée dans un procédé de synthèse d'urée |
US10118259B1 (en) | 2012-12-11 | 2018-11-06 | Ati Properties Llc | Corrosion resistant bimetallic tube manufactured by a two-step process |
EP2801396A1 (fr) * | 2013-05-10 | 2014-11-12 | Casale Sa | Utilisation d'un acier inoxydable duplex dans un appareil de dégazage pour le stripage d'ammoniaque ou d'une installation d'auto-strippage d'urée et refonte desdites installations d'urée |
RU2675952C2 (ru) * | 2014-01-10 | 2018-12-25 | Эуротекника Меламине, Люксембург, Цвайгнидерлассунг ин Иттиген | Трубчатый теплообменник и установка, в частности реактор для производства меламина, содержащая такой теплообменник |
MY183801A (en) * | 2015-06-30 | 2021-03-16 | Uop Llc | Heat exchangers for low temperature carbon dioxide separation from natural gas |
EP3178535A1 (fr) | 2015-12-11 | 2017-06-14 | Casale SA | Processus de préparation d'urée avec stripage à haute température |
ES2823164T3 (es) * | 2016-07-01 | 2021-05-06 | Sandvik Intellectual Property | Tubo bimetálico y procedimiento de fabricación de un tubo bimetálico |
HRP20220027T1 (hr) | 2017-10-27 | 2022-04-01 | Stamicarbon B.V. | Visokotlačni karbamatni kondenzator |
PL3502293T3 (pl) | 2017-12-22 | 2020-11-02 | Saipem S.P.A. | Zastosowania dupleksowych stali nierdzewnych |
EP3513871A1 (fr) * | 2018-01-17 | 2019-07-24 | Yara International ASA | Décomposeur de carbamate comprenant un répartiteur de flux |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3041152A (en) * | 1957-02-21 | 1962-06-26 | Chemical Construction Corp | Apparatus for high temperature and pressure chemical reactions |
FR1356620A (fr) * | 1963-02-01 | 1964-03-27 | Chemical Processes Of Ohio | Procédé de synthèse de l'urée à partir d'ammoniac et de gaz carbonique et installation pour sa mise en oeuvre |
BE632275A (fr) * | 1963-02-01 | 1900-01-01 | ||
US3515520A (en) * | 1967-02-13 | 1970-06-02 | Universal Oil Prod Co | Reactor with internal protective sleeve for corrosive systems |
AT290545B (de) * | 1967-09-29 | 1971-06-11 | Snam Progetti | Verfahren zur Herstellung von Harnstoff mit niedrigem Carbamatgehalt |
FR2042135A5 (fr) * | 1969-04-04 | 1971-02-05 | Snam Progetti | |
EG10651A (en) * | 1970-04-02 | 1977-10-31 | Snam Progetti | Process for prevention reactors corrosion during production of urea |
GB1327321A (en) * | 1971-05-25 | 1973-08-22 | Chemical Construction Corp | Process for urea synthesis |
DE2153437B2 (de) * | 1971-10-27 | 1974-11-21 | Metallgesellschaft Ag, 6000 Frankfurt | Reaktor zur Herstellung von Methanol |
US4210600A (en) * | 1976-10-28 | 1980-07-01 | Snamprogetti, S.P.A. | Method for the preparation of urea with a high-yield reactor |
US4291104A (en) * | 1978-04-17 | 1981-09-22 | Fansteel Inc. | Brazed corrosion resistant lined equipment |
IT1141030B (it) * | 1980-08-29 | 1986-10-01 | Snam Progetti | Procedimento per la produzione di urea |
-
1984
- 1984-04-20 IT IT8420635A patent/IT1209532B/it active
-
1985
- 1985-04-11 ZA ZA852725A patent/ZA852725B/xx unknown
- 1985-04-15 AU AU41241/85A patent/AU572284B2/en not_active Ceased
- 1985-04-16 SE SE8501859A patent/SE8501859L/ not_active Application Discontinuation
- 1985-04-16 MX MX204980A patent/MX160685A/es unknown
- 1985-04-17 IN IN293/MAS/85A patent/IN164410B/en unknown
- 1985-04-18 DK DK175985A patent/DK175985D0/da unknown
- 1985-04-19 NL NL8501151A patent/NL8501151A/nl not_active Application Discontinuation
- 1985-04-19 GB GB08510103A patent/GB2157687B/en not_active Expired
- 1985-04-19 SU SU853885101A patent/SU1731045A3/ru active
- 1985-04-19 DE DE19853514250 patent/DE3514250A1/de active Granted
- 1985-04-19 GR GR850954A patent/GR850954B/el unknown
- 1985-04-19 PT PT80322A patent/PT80322B/pt unknown
- 1985-04-19 JP JP60082702A patent/JPS60233047A/ja active Pending
- 1985-04-19 NO NO851574A patent/NO163559C/no unknown
- 1985-04-19 ES ES543108A patent/ES543108A0/es active Granted
- 1985-04-19 FR FR8505988A patent/FR2563217A1/fr active Pending
- 1985-04-19 AR AR300153A patent/AR240914A1/es active
- 1985-04-19 CA CA000479600A patent/CA1331993C/fr not_active Expired - Lifetime
- 1985-04-19 LU LU85857A patent/LU85857A1/fr unknown
- 1985-04-19 BE BE0/214885A patent/BE902246A/fr not_active IP Right Cessation
-
1988
- 1988-03-22 US US07/173,032 patent/US4899813A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2157687A (en) | 1985-10-30 |
CA1331993C (fr) | 1994-09-13 |
NO163559B (no) | 1990-03-12 |
GR850954B (fr) | 1985-11-25 |
DK175985D0 (da) | 1985-04-18 |
NL8501151A (nl) | 1985-11-18 |
US4899813A (en) | 1990-02-13 |
GB8510103D0 (en) | 1985-05-30 |
AU572284B2 (en) | 1988-05-05 |
IT1209532B (it) | 1989-08-30 |
AR240914A2 (es) | 1991-03-27 |
FR2563217A1 (fr) | 1985-10-25 |
ES8603288A1 (es) | 1985-12-16 |
ZA852725B (en) | 1985-11-27 |
IN164410B (fr) | 1989-03-11 |
PT80322A (en) | 1985-05-01 |
ES543108A0 (es) | 1985-12-16 |
AU4124185A (en) | 1985-10-24 |
DE3514250A1 (de) | 1985-11-07 |
SE8501859L (sv) | 1985-10-21 |
NO851574L (no) | 1985-10-21 |
MX160685A (es) | 1990-04-09 |
JPS60233047A (ja) | 1985-11-19 |
SU1731045A3 (ru) | 1992-04-30 |
PT80322B (en) | 1987-02-16 |
NO163559C (no) | 1990-06-20 |
LU85857A1 (fr) | 1985-12-16 |
IT8420635A0 (it) | 1984-04-20 |
DE3514250C2 (fr) | 1988-12-22 |
GB2157687B (en) | 1987-10-07 |
SE8501859D0 (sv) | 1985-04-16 |
AR240914A1 (es) | 1991-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SNAMPROGETTI S.P.A. Effective date: 19870430 |