CA2860715C - Process for the synthesis of urea comprising a passivation stream at the stripper bottom - Google Patents
Process for the synthesis of urea comprising a passivation stream at the stripper bottom Download PDFInfo
- Publication number
- CA2860715C CA2860715C CA2860715A CA2860715A CA2860715C CA 2860715 C CA2860715 C CA 2860715C CA 2860715 A CA2860715 A CA 2860715A CA 2860715 A CA2860715 A CA 2860715A CA 2860715 C CA2860715 C CA 2860715C
- Authority
- CA
- Canada
- Prior art keywords
- stripper
- reactor
- ammonia
- pressure
- liquid
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
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
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- 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
-
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000013A ITMI20120013A1 (it) | 2012-01-09 | 2012-01-09 | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
| ITMI2012A000013 | 2012-01-09 | ||
| PCT/EP2013/050247 WO2013104638A1 (en) | 2012-01-09 | 2013-01-09 | Process for the synthesis of urea comprising a passivation stream at the stripper bottom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2860715A1 CA2860715A1 (en) | 2013-07-18 |
| CA2860715C true CA2860715C (en) | 2020-04-07 |
Family
ID=45571700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2860715A Active CA2860715C (en) | 2012-01-09 | 2013-01-09 | Process for the synthesis of urea comprising a passivation stream at the stripper bottom |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US9199926B2 (enExample) |
| EP (1) | EP2802559B1 (enExample) |
| CN (1) | CN104159888B (enExample) |
| AR (1) | AR089688A1 (enExample) |
| CA (1) | CA2860715C (enExample) |
| IN (1) | IN2014DN05948A (enExample) |
| IT (1) | ITMI20120013A1 (enExample) |
| MX (1) | MX368955B (enExample) |
| MY (1) | MY162976A (enExample) |
| RU (1) | RU2617407C2 (enExample) |
| UA (1) | UA112214C2 (enExample) |
| WO (1) | WO2013104638A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1395383B1 (it) * | 2009-09-09 | 2012-09-14 | Saipem Spa | Metodo di separazione di ammoniaca e diossido di carbonio da soluzioni acquose |
| EP2801396A1 (en) * | 2013-05-10 | 2014-11-12 | Casale Sa | Use of duplex stainless steel in an ammonia-stripping of urea plants |
| EP3178535A1 (en) * | 2015-12-11 | 2017-06-14 | Casale SA | A urea process with high-temperature stripping |
| US10376859B2 (en) | 2016-03-30 | 2019-08-13 | Stamicarbon B.V. | Urea production with bi-pressurized synthesis |
| EP3656759A1 (en) | 2018-11-22 | 2020-05-27 | Casale Sa | A process for the synthesis of urea |
| JP7277672B2 (ja) | 2019-12-30 | 2023-05-19 | スタミカーボン・ベー・フェー | 尿素仕上げからのアンモニア除去 |
| CA3186903A1 (en) | 2020-06-23 | 2021-12-30 | Stamicarbon B.V. | Thermal stripping urea plant and process |
| JP2023108791A (ja) * | 2022-01-26 | 2023-08-07 | 東洋エンジニアリング株式会社 | 尿素合成方法 |
| CN120693319A (zh) * | 2023-02-16 | 2025-09-23 | 俄罗斯尿素研究与设计股份公司(Niik股份公司) | 用于生产尿素的方法和设备 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE527914A (enExample) | 1953-04-15 | |||
| GR33978B (el) | 1966-07-27 | 1968-02-29 | Snam Progetti S.P.A. | Μεθοδος δια την ληψιν ουριας χαμηλης περιεκτικοτητος εις διουριαν. |
| AT290545B (de) | 1967-09-29 | 1971-06-11 | Snam Progetti | Verfahren zur Herstellung von Harnstoff mit niedrigem Carbamatgehalt |
| US4092358A (en) | 1968-09-03 | 1978-05-30 | Snamprogetti S.P.A. | Process for the production of urea having a low carbamate content |
| US3876696A (en) | 1968-09-03 | 1975-04-08 | Snam Progetti | Process for the production of urea having a low carbamate content |
| GB1292515A (en) | 1969-04-04 | 1972-10-11 | Snam Progetti | Process for producing urea |
| US3984469A (en) | 1969-10-16 | 1976-10-05 | Snam Progetti S.P.A. | Process for the production of urea |
| US4137262A (en) | 1969-10-16 | 1979-01-30 | Snam Progetti S.P.A. | Process for the production of urea |
| NL164328C (nl) | 1970-04-02 | 1980-12-15 | Stamicarbon | Werkwijze voor het verhogen van de weerstand tegen cor- rosie van austenitische chroom-nikkelstalen, alsmede werkwijze voor de bereiding van ureum in apperatuur waarvan de weerstand tegen corrosie aldus is verhoogd. |
| EG10651A (en) * | 1970-04-02 | 1977-10-31 | Snam Progetti | Process for prevention reactors corrosion during production of urea |
| IT1068268B (it) | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
| BG35038A3 (en) | 1977-05-05 | 1984-01-16 | Montedison Spa | Method and installation for synthesis of urea |
| IT1141030B (it) | 1980-08-29 | 1986-10-01 | Snam Progetti | Procedimento per la produzione di urea |
| JPS5750954A (en) | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| NL8502227A (nl) | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| EP0306614B1 (en) * | 1987-05-15 | 1992-09-23 | Ammonia Casale S.A. | Improvements of processes and plants for the production of urea |
| IT1251524B (it) | 1991-03-18 | 1995-05-16 | Vincenzo Lagana | Metodo per la passivazione delle superfici metalliche interessate da condizioni e agenti promotori di corrosione |
| IT1245396B (it) * | 1991-03-22 | 1994-09-20 | Snam Progetti | Procedimento per la produzione di urea ad elevata efficienza energetica |
| US6150555A (en) * | 1992-05-08 | 2000-11-21 | Urea Casale, S.A. | Process for urea production |
| IT1274362B (it) * | 1995-02-16 | 1997-07-17 | Snam Progetti | Procedimento ad alta resa per la sintesi dell'urea |
| US5597454A (en) * | 1995-04-06 | 1997-01-28 | Lee; Jing M. | Process for producing urea |
| IT1290423B1 (it) | 1996-10-17 | 1998-12-03 | Eurotecnica Contractors And En | Procedimento per la sintesi di urea da anidride carbonica e ammoniaca |
| CN1137882C (zh) * | 2001-03-23 | 2004-02-11 | 中国寰球工程公司 | 一种全循环尿素生产方法 |
| CN1194963C (zh) | 2002-06-21 | 2005-03-30 | 中国寰球工程公司 | 水溶液全循环尿素高压系统节能增产工艺 |
| ITMI20071029A1 (it) * | 2007-05-22 | 2008-11-23 | Snam Progetti | Procedimento migliorato per la sintesi di urea |
| ITMI20110804A1 (it) * | 2011-05-10 | 2012-11-11 | Saipem Spa | "processo ad alta resa per la sintesi dell'urea" |
-
2012
- 2012-01-09 IT IT000013A patent/ITMI20120013A1/it unknown
-
2013
- 2013-01-09 WO PCT/EP2013/050247 patent/WO2013104638A1/en not_active Ceased
- 2013-01-09 CA CA2860715A patent/CA2860715C/en active Active
- 2013-01-09 AR ARP130100070A patent/AR089688A1/es active IP Right Grant
- 2013-01-09 IN IN5948DEN2014 patent/IN2014DN05948A/en unknown
- 2013-01-09 MY MYPI2014002021A patent/MY162976A/en unknown
- 2013-01-09 RU RU2014132872A patent/RU2617407C2/ru active
- 2013-01-09 CN CN201380013361.3A patent/CN104159888B/zh active Active
- 2013-01-09 US US14/371,144 patent/US9199926B2/en active Active
- 2013-01-09 MX MX2014008371A patent/MX368955B/es active IP Right Grant
- 2013-01-09 EP EP13700521.1A patent/EP2802559B1/en active Active
- 2013-09-01 UA UAA201408980A patent/UA112214C2/uk unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN104159888A (zh) | 2014-11-19 |
| EP2802559A1 (en) | 2014-11-19 |
| RU2014132872A (ru) | 2016-02-27 |
| US9199926B2 (en) | 2015-12-01 |
| RU2617407C2 (ru) | 2017-04-25 |
| US20150025273A1 (en) | 2015-01-22 |
| ITMI20120013A1 (it) | 2013-07-10 |
| WO2013104638A1 (en) | 2013-07-18 |
| IN2014DN05948A (enExample) | 2015-06-26 |
| CA2860715A1 (en) | 2013-07-18 |
| CN104159888B (zh) | 2017-03-22 |
| MX368955B (es) | 2019-10-23 |
| MX2014008371A (es) | 2015-05-15 |
| AR089688A1 (es) | 2014-09-10 |
| MY162976A (en) | 2017-07-31 |
| UA112214C2 (uk) | 2016-08-10 |
| EP2802559B1 (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2860715C (en) | Process for the synthesis of urea comprising a passivation stream at the stripper bottom | |
| EP2152666B1 (en) | Enhanced process for the synthesis of urea | |
| CN115916745B (zh) | 热汽提尿素装置和方法 | |
| US8927770B2 (en) | High-yield process for the synthesis of urea | |
| US8829240B2 (en) | Process for the production of urea from ammonia and carbon dioxide | |
| AU2009249691B2 (en) | Process for the production of urea from ammonia and carbon dioxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20171121 |
|
| MPN | Maintenance fee for patent paid |
Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 12TH ANNIV.) - STANDARD Year of fee payment: 12 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20241226 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT Effective date: 20241226 |