ATE376984T1 - Verfahren und vorrichtung zur herstellung von harnstoff - Google Patents
Verfahren und vorrichtung zur herstellung von harnstoffInfo
- Publication number
- ATE376984T1 ATE376984T1 AT04702327T AT04702327T ATE376984T1 AT E376984 T1 ATE376984 T1 AT E376984T1 AT 04702327 T AT04702327 T AT 04702327T AT 04702327 T AT04702327 T AT 04702327T AT E376984 T1 ATE376984 T1 AT E376984T1
- Authority
- AT
- Austria
- Prior art keywords
- urea
- carbamate
- aqueous solution
- flow
- carbon dioxide
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 7
- 239000004202 carbamide Substances 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 6
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 5
- 239000007864 aqueous solution Substances 0.000 abstract 4
- 229910021529 ammonia Inorganic materials 0.000 abstract 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 3
- 239000001569 carbon dioxide Substances 0.000 abstract 3
- 238000011084 recovery Methods 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 239000012808 vapor phase Substances 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)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03003878A EP1449827A1 (de) | 2003-02-21 | 2003-02-21 | Verfahren und Vorrichtung zur Herstellung von Harnstoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE376984T1 true ATE376984T1 (de) | 2007-11-15 |
Family
ID=32731554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04702327T ATE376984T1 (de) | 2003-02-21 | 2004-01-15 | Verfahren und vorrichtung zur herstellung von harnstoff |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US7091379B2 (de) |
| EP (2) | EP1449827A1 (de) |
| CN (1) | CN1313442C (de) |
| AT (1) | ATE376984T1 (de) |
| CA (1) | CA2484105A1 (de) |
| DE (1) | DE602004009761D1 (de) |
| EG (1) | EG23714A (de) |
| RU (1) | RU2316542C2 (de) |
| UA (1) | UA81430C2 (de) |
| WO (1) | WO2004074217A2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60336317D1 (de) * | 2003-09-19 | 2011-04-21 | Urea Casale Sa | Karbamatkondensationsverfahren |
| EP1700847A1 (de) * | 2005-03-03 | 2006-09-13 | Urea Casale S.A. | Verfahren und Vorrichtung zur Produktion von Harnstoff |
| EP2128129A1 (de) * | 2008-05-20 | 2009-12-02 | Urea Casale S.A. | Verfahren zur Modernisierung einer Harnstoffproduktionsanlage |
| EP2940006A1 (de) | 2014-04-28 | 2015-11-04 | Casale Sa | Verfahren und Anlage zur Herstellung von Harnstoff und Melamin |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL165712C (nl) * | 1970-05-30 | 1981-05-15 | Stamicarbon | Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese. |
| EP0611753B1 (de) * | 1993-01-07 | 1999-10-27 | Urea Casale S.A. | Verbessertes Verfahren zur Produktion von Harnstoff unter Verwendung eines Schrittes zur Kohlendioxidentfernung |
| IT1275451B (it) * | 1995-06-30 | 1997-08-07 | Snam Progetti | Procedimento per la sintesi dell'urea comprendente due separate zone di reazione |
| NL1009516C2 (nl) * | 1998-06-29 | 2000-01-04 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| NL1014756C2 (nl) * | 2000-03-27 | 2001-09-28 | Dsm Nv | Reactor en werkwijze voor de bereiding van ureum. |
-
2003
- 2003-02-21 EP EP03003878A patent/EP1449827A1/de not_active Withdrawn
-
2004
- 2004-01-15 WO PCT/EP2004/000234 patent/WO2004074217A2/en not_active Ceased
- 2004-01-15 US US10/513,189 patent/US7091379B2/en not_active Expired - Lifetime
- 2004-01-15 EP EP04702327A patent/EP1594820B1/de not_active Expired - Lifetime
- 2004-01-15 CA CA002484105A patent/CA2484105A1/en not_active Abandoned
- 2004-01-15 RU RU2004134325/04A patent/RU2316542C2/ru active
- 2004-01-15 UA UAA200502361A patent/UA81430C2/xx unknown
- 2004-01-15 AT AT04702327T patent/ATE376984T1/de not_active IP Right Cessation
- 2004-01-15 DE DE602004009761T patent/DE602004009761D1/de not_active Expired - Lifetime
- 2004-01-15 CN CNB2004800001761A patent/CN1313442C/zh not_active Expired - Lifetime
-
2005
- 2005-08-15 EG EGNA2005000459 patent/EG23714A/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| US7091379B2 (en) | 2006-08-15 |
| EP1594820B1 (de) | 2007-10-31 |
| EP1594820A2 (de) | 2005-11-16 |
| WO2004074217A2 (en) | 2004-09-02 |
| CN1697826A (zh) | 2005-11-16 |
| CN1313442C (zh) | 2007-05-02 |
| EP1449827A1 (de) | 2004-08-25 |
| RU2004134325A (ru) | 2005-08-10 |
| US20050256339A1 (en) | 2005-11-17 |
| WO2004074217A3 (en) | 2004-10-28 |
| UA81430C2 (en) | 2008-01-10 |
| DE602004009761D1 (de) | 2007-12-13 |
| CA2484105A1 (en) | 2004-09-02 |
| RU2316542C2 (ru) | 2008-02-10 |
| EG23714A (en) | 2007-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |