ATE275128T1 - Verfahren zur zerlegung einer wässerigen carbamatlösung erhalten aus dem harnstoffrückgewinnungsteil einer anlage zur herstellung von harnstoff - Google Patents
Verfahren zur zerlegung einer wässerigen carbamatlösung erhalten aus dem harnstoffrückgewinnungsteil einer anlage zur herstellung von harnstoffInfo
- Publication number
- ATE275128T1 ATE275128T1 AT01951596T AT01951596T ATE275128T1 AT E275128 T1 ATE275128 T1 AT E275128T1 AT 01951596 T AT01951596 T AT 01951596T AT 01951596 T AT01951596 T AT 01951596T AT E275128 T1 ATE275128 T1 AT E275128T1
- Authority
- AT
- Austria
- Prior art keywords
- urea
- plant
- carbama
- decompositing
- aqueous
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 4
- 239000004202 carbamide Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 title abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000004519 manufacturing process 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
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00112688 | 2000-06-15 | ||
| PCT/EP2001/006775 WO2001096288A1 (en) | 2000-06-15 | 2001-06-15 | Process for decomposing a carbamate aqueous solution coming from the urea recovery section of a urea production plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE275128T1 true ATE275128T1 (de) | 2004-09-15 |
Family
ID=8168986
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT01902384T ATE394367T1 (de) | 2000-06-15 | 2001-02-02 | Verfahren und vorrichtung zur herstellung von harnstoff |
| AT01951596T ATE275128T1 (de) | 2000-06-15 | 2001-06-15 | Verfahren zur zerlegung einer wässerigen carbamatlösung erhalten aus dem harnstoffrückgewinnungsteil einer anlage zur herstellung von harnstoff |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT01902384T ATE394367T1 (de) | 2000-06-15 | 2001-02-02 | Verfahren und vorrichtung zur herstellung von harnstoff |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US6552224B2 (de) |
| EP (2) | EP1289942B1 (de) |
| CN (2) | CN1216041C (de) |
| AT (2) | ATE394367T1 (de) |
| AU (2) | AU2001230231A1 (de) |
| DE (2) | DE60133894D1 (de) |
| MX (2) | MXPA02012329A (de) |
| RU (2) | RU2258063C2 (de) |
| UA (2) | UA73996C2 (de) |
| WO (2) | WO2001096287A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1019848C2 (nl) * | 2002-01-28 | 2003-07-30 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| EP1918273A1 (de) * | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Verfahren und Anlage für die Herstellung von Harnstoff |
| CN101823984B (zh) * | 2010-04-29 | 2012-11-28 | 聊城市鲁西化工工程设计有限责任公司 | 水解解吸热能的回收工艺及设备 |
| EP2502881A1 (de) | 2011-03-24 | 2012-09-26 | Urea Casale S.A. | Verfahren und Anlage zur Ammoniak-Harnstoffherstellung |
| CA2896706C (en) * | 2012-12-28 | 2017-08-29 | Stamicarbon B.V. | Urea plant revamping method |
| CN108026034B (zh) * | 2015-09-08 | 2020-07-10 | 东洋工程株式会社 | 尿素制造方法以及尿素制造装置 |
| EP3871746A1 (de) | 2020-02-25 | 2021-09-01 | Yara International ASA | Verteilungskammer für flüssigkeitsstrom |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3929878A (en) * | 1971-05-10 | 1975-12-30 | Ivo Mavrovic | Decomposition of ammonium carbamate |
| US4110374A (en) * | 1976-03-02 | 1978-08-29 | Mitsui Toatsu Chemicals Inc. | Process for separating and recovering unreacted materials in urea synthesis |
| US4088684A (en) * | 1976-07-30 | 1978-05-09 | Ivo Mavrovic | Urea reactor effluent solution recycle in urea synthesis |
| NL8104040A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| IN169678B (de) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
| RU2050351C1 (ru) * | 1989-08-08 | 1995-12-20 | Гусев Анатолий Иванович | Способ получения карбамида |
| IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
| ES2110449T3 (es) * | 1991-01-15 | 1998-02-16 | Urea Casale Sa | Procedimiento y dispositivo para aumentar el rendimiento y la capacidad de produccion de los reactores de urea. |
| IT1245396B (it) * | 1991-03-22 | 1994-09-20 | Snam Progetti | Procedimento per la produzione di urea ad elevata efficienza energetica |
| EP0611753B1 (de) * | 1993-01-07 | 1999-10-27 | Urea Casale S.A. | Verbessertes Verfahren zur Produktion von Harnstoff unter Verwendung eines Schrittes zur Kohlendioxidentfernung |
| US5523482A (en) * | 1993-05-14 | 1996-06-04 | Urea Casale S.A. | Process and plant for the production of urea in reaction spaces with different yields |
| RU2071467C1 (ru) * | 1994-02-08 | 1997-01-10 | Дмитрий Владимирович Котлярский | Способ получения карбамида |
| 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 |
| JP3987607B2 (ja) * | 1996-10-07 | 2007-10-10 | 東洋エンジニアリング株式会社 | 改良された尿素合成方法および装置 |
| NL1004977C2 (nl) * | 1997-01-13 | 1998-07-15 | Dsm Nv | Methode om de capaciteit van een bestaand ureum proces te verhogen. |
| NL1009516C2 (nl) * | 1998-06-29 | 2000-01-04 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
-
2001
- 2001-02-02 MX MXPA02012329A patent/MXPA02012329A/es active IP Right Grant
- 2001-02-02 DE DE60133894T patent/DE60133894D1/de not_active Expired - Lifetime
- 2001-02-02 RU RU2002133441/04A patent/RU2258063C2/ru active
- 2001-02-02 CN CN018112943A patent/CN1216041C/zh not_active Expired - Lifetime
- 2001-02-02 WO PCT/EP2001/001098 patent/WO2001096287A1/en not_active Ceased
- 2001-02-02 EP EP01902384A patent/EP1289942B1/de not_active Revoked
- 2001-02-02 UA UA2003010386A patent/UA73996C2/uk unknown
- 2001-02-02 AT AT01902384T patent/ATE394367T1/de not_active IP Right Cessation
- 2001-02-02 AU AU2001230231A patent/AU2001230231A1/en not_active Abandoned
- 2001-02-02 US US10/049,687 patent/US6552224B2/en not_active Expired - Lifetime
- 2001-06-15 WO PCT/EP2001/006775 patent/WO2001096288A1/en not_active Ceased
- 2001-06-15 US US10/049,686 patent/US6649795B2/en not_active Expired - Lifetime
- 2001-06-15 DE DE60105292T patent/DE60105292T2/de not_active Expired - Lifetime
- 2001-06-15 CN CNB018107648A patent/CN1219755C/zh not_active Expired - Lifetime
- 2001-06-15 EP EP01951596A patent/EP1289943B1/de not_active Expired - Lifetime
- 2001-06-15 RU RU2002135632/04A patent/RU2247108C2/ru active
- 2001-06-15 AT AT01951596T patent/ATE275128T1/de not_active IP Right Cessation
- 2001-06-15 AU AU2001272480A patent/AU2001272480A1/en not_active Abandoned
- 2001-06-15 MX MXPA02011818A patent/MXPA02011818A/es active IP Right Grant
- 2001-06-15 UA UA2003010385A patent/UA72819C2/uk unknown
Also Published As
| Publication number | Publication date |
|---|---|
| UA73996C2 (en) | 2005-10-17 |
| CN1216041C (zh) | 2005-08-24 |
| EP1289943B1 (de) | 2004-09-01 |
| CN1433400A (zh) | 2003-07-30 |
| MXPA02012329A (es) | 2003-04-25 |
| WO2001096287A1 (en) | 2001-12-20 |
| EP1289942A1 (de) | 2003-03-12 |
| RU2247108C2 (ru) | 2005-02-27 |
| CN1436169A (zh) | 2003-08-13 |
| AU2001230231A1 (en) | 2001-12-24 |
| RU2258063C2 (ru) | 2005-08-10 |
| CN1219755C (zh) | 2005-09-21 |
| EP1289943A1 (de) | 2003-03-12 |
| AU2001272480A1 (en) | 2001-12-24 |
| MXPA02011818A (es) | 2003-04-10 |
| DE60105292T2 (de) | 2005-02-17 |
| WO2001096288A1 (en) | 2001-12-20 |
| DE60133894D1 (de) | 2008-06-19 |
| US6552224B2 (en) | 2003-04-22 |
| US20030013914A1 (en) | 2003-01-16 |
| ATE394367T1 (de) | 2008-05-15 |
| US6649795B2 (en) | 2003-11-18 |
| UA72819C2 (en) | 2005-04-15 |
| EP1289942B1 (de) | 2008-05-07 |
| DE60105292D1 (de) | 2004-10-07 |
| US20020151749A1 (en) | 2002-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |