ATE475641T1 - Verfahren zur harnstoffproduktion und damit in zusammenhang stehende anlage - Google Patents
Verfahren zur harnstoffproduktion und damit in zusammenhang stehende anlageInfo
- Publication number
- ATE475641T1 ATE475641T1 AT07818804T AT07818804T ATE475641T1 AT E475641 T1 ATE475641 T1 AT E475641T1 AT 07818804 T AT07818804 T AT 07818804T AT 07818804 T AT07818804 T AT 07818804T AT E475641 T1 ATE475641 T1 AT E475641T1
- Authority
- AT
- Austria
- Prior art keywords
- urea
- ammonia
- aqueous solution
- ammonium
- pressure
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 15
- 239000004202 carbamide Substances 0.000 title abstract 8
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 10
- 229910021529 ammonia Inorganic materials 0.000 abstract 5
- 239000007864 aqueous solution Substances 0.000 abstract 4
- 238000010494 dissociation reaction Methods 0.000 abstract 3
- 230000005593 dissociations Effects 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06022991A EP1918273A1 (de) | 2006-11-04 | 2006-11-04 | Verfahren und Anlage für die Herstellung von Harnstoff |
| PCT/EP2007/008730 WO2008052639A1 (en) | 2006-11-04 | 2007-10-09 | Process for urea production and related plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE475641T1 true ATE475641T1 (de) | 2010-08-15 |
Family
ID=38249234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT07818804T ATE475641T1 (de) | 2006-11-04 | 2007-10-09 | Verfahren zur harnstoffproduktion und damit in zusammenhang stehende anlage |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US7982068B2 (de) |
| EP (2) | EP1918273A1 (de) |
| CN (1) | CN101558037B (de) |
| AT (1) | ATE475641T1 (de) |
| BR (1) | BRPI0718026A2 (de) |
| CA (1) | CA2667954C (de) |
| DE (1) | DE602007008135D1 (de) |
| EG (1) | EG25371A (de) |
| PL (1) | PL2086928T5 (de) |
| RU (1) | RU2446152C2 (de) |
| SA (1) | SA07280595B1 (de) |
| UA (1) | UA93585C2 (de) |
| WO (1) | WO2008052639A1 (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1918274A1 (de) | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Integriertes Verfahren zur Herstellung von Harnstoff und Melamin |
| EP2397463A1 (de) * | 2010-06-16 | 2011-12-21 | Urea Casale SA | Verfahren zur Modernisierung einer selbst-strippenden Harnstoffanlage |
| US9701535B2 (en) * | 2011-06-23 | 2017-07-11 | Stamicarbon B.V. | Process for producing a syngas intermediate suitable for the production of hydrogen |
| CA2997366A1 (en) * | 2015-09-08 | 2017-03-16 | Toyo Engineering Corporation | Urea manufacturing method and urea manufacturing apparatus |
| US10376859B2 (en) | 2016-03-30 | 2019-08-13 | Stamicarbon B.V. | Urea production with bi-pressurized synthesis |
| EA202090009A1 (ru) | 2016-05-03 | 2020-03-26 | Стамикарбон Б.В. | Контроль образования биурета при производстве карбамида |
| US10457633B2 (en) | 2016-05-03 | 2019-10-29 | Stamicarbon B.V. | Urea production with controlled biuret |
| EP3398935A1 (de) * | 2017-05-05 | 2018-11-07 | Casale Sa | Verfahren und anlage zur synthese von harnstoff |
| JP7088770B2 (ja) * | 2018-07-26 | 2022-06-21 | 東洋エンジニアリング株式会社 | 尿素製造方法および装置 |
| AU2019405414B2 (en) * | 2018-12-21 | 2022-06-30 | Stamicarbon B.V. | Urea production process and plant with heat integration in low pressure recovery section |
| US12247002B2 (en) | 2019-03-14 | 2025-03-11 | Toyo Engineering Corporation | Process and apparatus for urea production |
| CA3186903A1 (en) | 2020-06-23 | 2021-12-30 | Stamicarbon B.V. | Thermal stripping urea plant and process |
| HRP20250240T1 (hr) * | 2021-06-11 | 2025-05-23 | Stamicarbon B.V. | Proizvodnja uree s trostrukim mp strujama |
| CN118871421B (zh) | 2022-02-15 | 2025-08-29 | 斯塔米卡邦有限公司 | 用于def生产的汽提型尿素设施 |
| WO2025206949A1 (en) | 2024-03-25 | 2025-10-02 | Stamicarbon B.V. | Urea stripping process with liquid divider |
| EP4700013A1 (de) * | 2024-08-20 | 2026-02-25 | Casale Sa | Harnstoffherstellungsverfahren und anlage mit mitteldruckrückgewinnung |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU37505A1 (de) * | 1958-08-08 | |||
| IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
| NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8900152A (nl) * | 1989-01-23 | 1990-08-16 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
| US5597454A (en) * | 1995-04-06 | 1997-01-28 | Lee; Jing M. | Process for producing urea |
| MXPA02012329A (es) * | 2000-06-15 | 2003-04-25 | Urea Casale Sa | Proceso y planta para la produccion de urea. |
| JP4358428B2 (ja) * | 2000-11-01 | 2009-11-04 | 東洋エンジニアリング株式会社 | 尿素製造方法 |
| NL1017990C2 (nl) * | 2001-05-03 | 2002-11-05 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| NL1019848C2 (nl) † | 2002-01-28 | 2003-07-30 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| EP1719755A1 (de) * | 2005-05-04 | 2006-11-08 | Urea Casale S.A. | Verfahren und Anlage zur Herstellung von Harnstoff |
-
2006
- 2006-11-04 EP EP06022991A patent/EP1918273A1/de not_active Withdrawn
-
2007
- 2007-10-09 WO PCT/EP2007/008730 patent/WO2008052639A1/en not_active Ceased
- 2007-10-09 AT AT07818804T patent/ATE475641T1/de not_active IP Right Cessation
- 2007-10-09 PL PL07818804.2T patent/PL2086928T5/pl unknown
- 2007-10-09 US US12/513,487 patent/US7982068B2/en active Active
- 2007-10-09 CN CN2007800409435A patent/CN101558037B/zh not_active Expired - Fee Related
- 2007-10-09 RU RU2009121103/04A patent/RU2446152C2/ru active
- 2007-10-09 UA UAA200905090A patent/UA93585C2/ru unknown
- 2007-10-09 EP EP07818804.2A patent/EP2086928B2/de active Active
- 2007-10-09 BR BRPI0718026-8A patent/BRPI0718026A2/pt not_active Application Discontinuation
- 2007-10-09 CA CA2667954A patent/CA2667954C/en active Active
- 2007-10-09 DE DE602007008135T patent/DE602007008135D1/de active Active
- 2007-11-03 SA SA07280595A patent/SA07280595B1/ar unknown
-
2009
- 2009-05-03 EG EG2009050624A patent/EG25371A/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| US20100063321A1 (en) | 2010-03-11 |
| PL2086928T5 (pl) | 2024-06-24 |
| EP2086928B1 (de) | 2010-07-28 |
| EP1918273A1 (de) | 2008-05-07 |
| UA93585C2 (ru) | 2011-02-25 |
| CN101558037A (zh) | 2009-10-14 |
| CA2667954A1 (en) | 2008-05-08 |
| RU2446152C2 (ru) | 2012-03-27 |
| SA07280595B1 (ar) | 2011-05-14 |
| EP2086928B2 (de) | 2022-06-08 |
| BRPI0718026A2 (pt) | 2013-11-12 |
| WO2008052639A1 (en) | 2008-05-08 |
| US7982068B2 (en) | 2011-07-19 |
| RU2009121103A (ru) | 2010-12-10 |
| CN101558037B (zh) | 2013-08-07 |
| EG25371A (en) | 2011-12-20 |
| CA2667954C (en) | 2014-12-23 |
| PL2086928T3 (pl) | 2011-02-28 |
| DE602007008135D1 (de) | 2010-09-09 |
| EP2086928A1 (de) | 2009-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |