NO890514L - Fremgangsmaate ved fremstilling av urea. - Google Patents
Fremgangsmaate ved fremstilling av urea.Info
- Publication number
- NO890514L NO890514L NO89890514A NO890514A NO890514L NO 890514 L NO890514 L NO 890514L NO 89890514 A NO89890514 A NO 89890514A NO 890514 A NO890514 A NO 890514A NO 890514 L NO890514 L NO 890514L
- Authority
- NO
- Norway
- Prior art keywords
- zone
- urea
- stripping
- carbamate
- solution
- 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
- 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 |
|---|---|---|---|
| NL8800284A NL8800284A (nl) | 1988-02-08 | 1988-02-08 | Werkwijze voor de bereiding van ureum. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO890514D0 NO890514D0 (no) | 1989-02-07 |
| NO890514L true NO890514L (no) | 1989-08-09 |
Family
ID=19851722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO89890514A NO890514L (no) | 1988-02-08 | 1989-02-07 | Fremgangsmaate ved fremstilling av urea. |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0329215A1 (xx) |
| CN (1) | CN1035109A (xx) |
| AR (1) | AR244661A1 (xx) |
| AU (1) | AU2970989A (xx) |
| BR (1) | BR8900537A (xx) |
| DD (1) | DD280101A5 (xx) |
| HU (1) | HUT49566A (xx) |
| NL (1) | NL8800284A (xx) |
| NO (1) | NO890514L (xx) |
| TN (1) | TNSN89013A1 (xx) |
| ZA (1) | ZA89937B (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1271435B (it) * | 1993-03-10 | 1997-05-28 | Snam Progetti | Procedimento per la sintesi di urea da ammoniaca e anidride carbonica a conversione totale in anidride carbonica |
| CN1036582C (zh) * | 1993-08-02 | 1997-12-03 | 中国五环化学工程总公司 | 节能、节资、安全型尿素生产工艺及装置 |
| 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 |
| NL1011123C2 (nl) * | 1999-01-25 | 2000-07-27 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| US8283494B2 (en) | 2006-12-08 | 2012-10-09 | Stamicarbon B.V. | Process for the preparation of urea |
| 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 |
| EP2567953A1 (en) * | 2011-09-09 | 2013-03-13 | Urea Casale SA | A carbon dioxide stripping urea plant with a natural-circulation synthesis loop and a method for retrofitting such plant |
| US10604477B2 (en) | 2015-09-08 | 2020-03-31 | Toyo Engineering Corporation | Urea manufacturing method and urea manufacturing apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1163783B (it) * | 1983-07-14 | 1987-04-08 | Montedison Spa | Processo per la produzione di urea con bassi consumi di vapore |
| NL8400839A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
-
1988
- 1988-02-08 NL NL8800284A patent/NL8800284A/nl not_active Application Discontinuation
-
1989
- 1989-02-02 EP EP89200220A patent/EP0329215A1/en not_active Withdrawn
- 1989-02-03 CN CN89100722A patent/CN1035109A/zh active Pending
- 1989-02-03 BR BR898900537A patent/BR8900537A/pt unknown
- 1989-02-07 AU AU29709/89A patent/AU2970989A/en not_active Abandoned
- 1989-02-07 ZA ZA89937A patent/ZA89937B/xx unknown
- 1989-02-07 DD DD89325588A patent/DD280101A5/de unknown
- 1989-02-07 AR AR89313155A patent/AR244661A1/es active
- 1989-02-07 NO NO89890514A patent/NO890514L/no unknown
- 1989-02-07 TN TNTNSN89013A patent/TNSN89013A1/fr unknown
- 1989-02-07 HU HU89577A patent/HUT49566A/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DD280101A5 (de) | 1990-06-27 |
| AU2970989A (en) | 1989-08-10 |
| CN1035109A (zh) | 1989-08-30 |
| EP0329215A1 (en) | 1989-08-23 |
| BR8900537A (pt) | 1989-10-03 |
| HUT49566A (en) | 1989-10-30 |
| ZA89937B (en) | 1989-11-29 |
| TNSN89013A1 (fr) | 1991-02-04 |
| AR244661A1 (es) | 1993-11-30 |
| NO890514D0 (no) | 1989-02-07 |
| NL8800284A (nl) | 1989-09-01 |
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