ZA851978B - Process for the preparation of urea - Google Patents
Process for the preparation of ureaInfo
- Publication number
- ZA851978B ZA851978B ZA851978A ZA851978A ZA851978B ZA 851978 B ZA851978 B ZA 851978B ZA 851978 A ZA851978 A ZA 851978A ZA 851978 A ZA851978 A ZA 851978A ZA 851978 B ZA851978 B ZA 851978B
- Authority
- ZA
- South Africa
- Prior art keywords
- urea
- zone
- synthesis
- carbamate
- stripping
- Prior art date
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
-
- 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
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catalysts (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Measurement Of Radiation (AREA)
- Compounds Of Unknown Constitution (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8400839A NL8400839A (nl) | 1984-03-16 | 1984-03-16 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA851978B true ZA851978B (en) | 1985-11-27 |
Family
ID=19843651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA851978A ZA851978B (en) | 1984-03-16 | 1985-03-15 | Process for the preparation of urea |
Country Status (34)
| Country | Link |
|---|---|
| EP (1) | EP0155735B1 (lt) |
| JP (1) | JPS60209555A (lt) |
| KR (1) | KR870001692B1 (lt) |
| CN (2) | CN85100951A (lt) |
| AT (1) | ATE38033T1 (lt) |
| AU (1) | AU579614B2 (lt) |
| BG (1) | BG60247B2 (lt) |
| BR (1) | BR8501156A (lt) |
| CA (1) | CA1330444C (lt) |
| DD (1) | DD232038A1 (lt) |
| DE (1) | DE3565680D1 (lt) |
| EG (1) | EG16600A (lt) |
| ES (1) | ES8602622A1 (lt) |
| FI (1) | FI851046A7 (lt) |
| GE (1) | GEP19960461B (lt) |
| GR (1) | GR850639B (lt) |
| HU (1) | HUT39721A (lt) |
| IL (1) | IL74522A0 (lt) |
| IN (1) | IN164392B (lt) |
| LT (1) | LT2206B (lt) |
| LV (1) | LV5225A3 (lt) |
| MA (1) | MA20372A1 (lt) |
| MX (1) | MX7357E (lt) |
| NL (1) | NL8400839A (lt) |
| NO (1) | NO851044L (lt) |
| NZ (1) | NZ211460A (lt) |
| PL (1) | PL252389A1 (lt) |
| PT (1) | PT80109B (lt) |
| RO (1) | RO91349B (lt) |
| SU (1) | SU1456009A3 (lt) |
| TR (1) | TR22418A (lt) |
| YU (1) | YU41685A (lt) |
| ZA (1) | ZA851978B (lt) |
| ZW (1) | ZW4185A1 (lt) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8800284A (nl) * | 1988-02-08 | 1989-09-01 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
| US6274767B1 (en) | 1992-11-19 | 2001-08-14 | Urea Casale, S.A. | Process for the revamping of urea synthesis plants consisting of a stripper with ammonia |
| NL1000416C2 (nl) * | 1995-05-23 | 1996-11-25 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| US5767313A (en) * | 1995-05-23 | 1998-06-16 | Dsm N.V. | Method for the preparation of urea |
| 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 |
| IT1290423B1 (it) * | 1996-10-17 | 1998-12-03 | Eurotecnica Contractors And En | Procedimento per la sintesi di urea da anidride carbonica e ammoniaca |
| NL1004977C2 (nl) * | 1997-01-13 | 1998-07-15 | Dsm Nv | Methode om de capaciteit van een bestaand ureum proces te verhogen. |
| NL1005118C2 (nl) * | 1997-01-29 | 1998-07-30 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| NL1009516C2 (nl) * | 1998-06-29 | 2000-01-04 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| NL1016643C2 (nl) | 2000-11-17 | 2002-05-22 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| NL1019081C2 (nl) | 2001-10-01 | 2003-04-02 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| JP4426415B2 (ja) | 2004-10-01 | 2010-03-03 | 東洋エンジニアリング株式会社 | 反応装置 |
| WO2006118071A1 (ja) * | 2005-04-27 | 2006-11-09 | Toyo Engineering Corporation | 尿素合成装置およびその改造方法 |
| EP2107051A1 (en) | 2008-04-02 | 2009-10-07 | DSM IP Assets B.V. | Process for inreasing the capacity of an existing urea plant |
| EP2123633A1 (en) | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Process for the production of urea from ammonia and carbon dioxide |
| EP2123634A1 (en) | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Process for the production of urea from ammonia and carbon dioxide |
| MX364219B (es) | 2012-05-03 | 2019-04-16 | Stamicarbon | Metodo y aparato para la produccion de urea a partir de amoniaco y dioxido de carbono. |
| WO2014192823A1 (ja) | 2013-05-28 | 2014-12-04 | 東洋エンジニアリング株式会社 | 尿素合成方法 |
| EP2843304A1 (en) | 2013-08-29 | 2015-03-04 | Casale SA | A shell-and-tube apparatus for heat recovery from a hot process stream |
| USD863685S1 (en) | 2017-11-27 | 2019-10-15 | Mary Kay Inc. | Cosmetic compact |
| USD850006S1 (en) | 2017-11-27 | 2019-05-28 | Mary Kay Inc. | Cosmetic compact |
| USD843660S1 (en) | 2017-11-27 | 2019-03-19 | Mary Kay Inc. | Cosmetic compact |
| US12247002B2 (en) | 2019-03-14 | 2025-03-11 | Toyo Engineering Corporation | Process and apparatus for urea production |
| JP7157684B2 (ja) * | 2019-03-14 | 2022-10-20 | 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 |
| US12012372B2 (en) * | 2020-02-25 | 2024-06-18 | Casale Sa | Process and plant for the synthesis of urea |
| CN115364808A (zh) * | 2022-07-26 | 2022-11-22 | 哈尔滨工业大学（深圳） | 一种尿素连续合成系统 |
| WO2025198471A1 (en) | 2024-03-20 | 2025-09-25 | Stamicarbon B.V. | Urea plant with modified condenser and modified reactor internals |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL250349A (lt) * | 1960-04-08 | |||
| 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. |
| US4013718A (en) * | 1970-09-03 | 1977-03-22 | Snam Progetti S.P.A. | Integrated process for the production of urea |
| AU8825782A (en) * | 1981-09-01 | 1983-03-28 | Unie Van Kunstmestfabrieken B.V. | Process for the preparation of urea |
-
1984
- 1984-03-16 NL NL8400839A patent/NL8400839A/nl not_active Application Discontinuation
-
1985
- 1985-03-06 IL IL74522A patent/IL74522A0/xx unknown
- 1985-03-07 IN IN178/MAS/85A patent/IN164392B/en unknown
- 1985-03-11 ZW ZW41/85A patent/ZW4185A1/xx unknown
- 1985-03-11 MA MA20596A patent/MA20372A1/fr unknown
- 1985-03-12 EG EG159/85A patent/EG16600A/xx active
- 1985-03-12 TR TR11234/85A patent/TR22418A/xx unknown
- 1985-03-14 CA CA000476485A patent/CA1330444C/en not_active Expired - Lifetime
- 1985-03-14 GR GR850639A patent/GR850639B/el unknown
- 1985-03-14 PT PT80109A patent/PT80109B/pt unknown
- 1985-03-14 BG BG69250A patent/BG60247B2/xx unknown
- 1985-03-15 NZ NZ211460A patent/NZ211460A/en unknown
- 1985-03-15 PL PL25238985A patent/PL252389A1/xx unknown
- 1985-03-15 YU YU00416/85A patent/YU41685A/xx unknown
- 1985-03-15 BR BR8501156A patent/BR8501156A/pt not_active IP Right Cessation
- 1985-03-15 NO NO851044A patent/NO851044L/no unknown
- 1985-03-15 KR KR1019850001673A patent/KR870001692B1/ko not_active Expired
- 1985-03-15 DE DE8585200387T patent/DE3565680D1/de not_active Expired
- 1985-03-15 ZA ZA851978A patent/ZA851978B/xx unknown
- 1985-03-15 ES ES541294A patent/ES8602622A1/es not_active Expired
- 1985-03-15 HU HU85976A patent/HUT39721A/hu unknown
- 1985-03-15 DD DD85274164A patent/DD232038A1/xx unknown
- 1985-03-15 FI FI851046A patent/FI851046A7/fi not_active Application Discontinuation
- 1985-03-15 MX MX8511479U patent/MX7357E/es unknown
- 1985-03-15 AT AT85200387T patent/ATE38033T1/de not_active IP Right Cessation
- 1985-03-15 SU SU853873452A patent/SU1456009A3/ru active
- 1985-03-15 EP EP85200387A patent/EP0155735B1/en not_active Expired
- 1985-03-15 RO RO118002A patent/RO91349B/ro unknown
- 1985-03-15 JP JP60050691A patent/JPS60209555A/ja active Pending
- 1985-03-15 AU AU39893/85A patent/AU579614B2/en not_active Ceased
- 1985-04-01 CN CN198585100951A patent/CN85100951A/zh active Pending
- 1985-04-01 CN CN85101703A patent/CN1010308B/zh not_active Expired
-
1993
- 1993-05-06 LV LV930297A patent/LV5225A3/xx unknown
- 1993-06-21 GE GEAP1993910A patent/GEP19960461B/en unknown
- 1993-06-30 LT LTRP725A patent/LT2206B/lt not_active IP Right Cessation
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