DD263526A5 - Verfahren zur herstellung von harnstoff - Google Patents
Verfahren zur herstellung von harnstoff Download PDFInfo
- Publication number
- DD263526A5 DD263526A5 DD87308576A DD30857687A DD263526A5 DD 263526 A5 DD263526 A5 DD 263526A5 DD 87308576 A DD87308576 A DD 87308576A DD 30857687 A DD30857687 A DD 30857687A DD 263526 A5 DD263526 A5 DD 263526A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- urea
- zone
- condensation
- gas mixture
- 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
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 |
|---|---|---|---|
| NL8602770A NL8602770A (nl) | 1986-11-03 | 1986-11-03 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD263526A5 true DD263526A5 (de) | 1989-01-04 |
Family
ID=19848769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD87308576A DD263526A5 (de) | 1986-11-03 | 1987-11-02 | Verfahren zur herstellung von harnstoff |
Country Status (21)
| Country | Link |
|---|---|
| EP (1) | EP0266840A1 (no) |
| JP (1) | JPS63126857A (no) |
| KR (1) | KR880006175A (no) |
| CN (1) | CN87107627A (no) |
| AU (1) | AU8058187A (no) |
| BR (1) | BR8705820A (no) |
| DD (1) | DD263526A5 (no) |
| FI (1) | FI874809A (no) |
| HU (1) | HUT48575A (no) |
| IL (1) | IL84341A0 (no) |
| MA (1) | MA21100A1 (no) |
| NL (1) | NL8602770A (no) |
| NO (1) | NO874557L (no) |
| OA (1) | OA08692A (no) |
| PH (1) | PH23601A (no) |
| PL (1) | PL268571A1 (no) |
| PT (1) | PT86069A (no) |
| TN (1) | TNSN87124A1 (no) |
| TR (1) | TR23058A (no) |
| ZA (1) | ZA878215B (no) |
| ZW (1) | ZW19887A1 (no) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8502228A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8800259A (nl) * | 1988-02-04 | 1989-09-01 | Stamicarbon | Werkwijze voor het concentreren van een ureumoplossing. |
| IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
| CN1058704C (zh) * | 1996-01-11 | 2000-11-22 | 化学工业部上海化工研究院 | 二氧化碳汽提法尿素制备方法 |
| 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 |
| NL1028497C2 (nl) | 2005-03-09 | 2006-09-12 | Dsm Ip Assets Bv | Werkwijze voor de bereiding van een ureum-bevattende waterige stroom. |
| EP2426103A4 (en) | 2009-05-01 | 2012-11-07 | Idemitsu Kosan Co | PROCESS FOR PRODUCING N, N-DISUBSTITUTED CARBOXYLIC ACID, ALPHA, BETA-UNSATURATED AMIDE, AND PROCESS FOR PRODUCING 3-ALCOXYCARBOXYLIC ACID-N, N-DISUBSTITUTED AMIDE |
| MY190234A (en) | 2012-05-03 | 2022-04-06 | Stamicarbon | Method and apparatus for the production of urea from ammonia and carbon dioxide |
| CN107315034B (zh) | 2016-04-26 | 2021-06-08 | 新唐科技日本株式会社 | 气体检测装置以及氢检测方法 |
| WO2020130817A1 (en) * | 2018-12-21 | 2020-06-25 | Stamicarbon B.V. | Urea production process and plant with heat integration in low pressure recovery section |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
-
1986
- 1986-11-03 NL NL8602770A patent/NL8602770A/nl not_active Application Discontinuation
-
1987
- 1987-10-30 BR BR8705820A patent/BR8705820A/pt unknown
- 1987-11-02 TR TR747/87A patent/TR23058A/xx unknown
- 1987-11-02 NO NO874557A patent/NO874557L/no unknown
- 1987-11-02 PH PH36015A patent/PH23601A/en unknown
- 1987-11-02 EP EP87202110A patent/EP0266840A1/en not_active Withdrawn
- 1987-11-02 MA MA21341A patent/MA21100A1/fr unknown
- 1987-11-02 HU HU874916A patent/HUT48575A/hu unknown
- 1987-11-02 IL IL84341A patent/IL84341A0/xx unknown
- 1987-11-02 DD DD87308576A patent/DD263526A5/de not_active IP Right Cessation
- 1987-11-02 ZA ZA878215A patent/ZA878215B/xx unknown
- 1987-11-02 AU AU80581/87A patent/AU8058187A/en not_active Abandoned
- 1987-11-02 JP JP62275872A patent/JPS63126857A/ja active Pending
- 1987-11-02 FI FI874809A patent/FI874809A/fi not_active Application Discontinuation
- 1987-11-02 CN CN198787107627A patent/CN87107627A/zh active Pending
- 1987-11-03 TN TNTNSN87124A patent/TNSN87124A1/fr unknown
- 1987-11-03 KR KR870012305A patent/KR880006175A/ko not_active Application Discontinuation
- 1987-11-03 PL PL26857187A patent/PL268571A1/xx unknown
- 1987-11-03 PT PT86069A patent/PT86069A/pt not_active Application Discontinuation
- 1987-11-03 OA OA59217A patent/OA08692A/xx unknown
- 1987-11-03 ZW ZW198/87A patent/ZW19887A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PT86069A (pt) | 1988-12-15 |
| IL84341A0 (en) | 1988-04-29 |
| OA08692A (en) | 1989-03-31 |
| AU8058187A (en) | 1988-05-05 |
| TR23058A (tr) | 1989-02-14 |
| NO874557L (no) | 1988-05-04 |
| BR8705820A (pt) | 1988-06-28 |
| FI874809A0 (fi) | 1987-11-02 |
| PH23601A (en) | 1989-09-11 |
| JPS63126857A (ja) | 1988-05-30 |
| CN87107627A (zh) | 1988-07-27 |
| HUT48575A (en) | 1989-06-28 |
| ZW19887A1 (en) | 1988-02-03 |
| NL8602770A (nl) | 1988-06-01 |
| NO874557D0 (no) | 1987-11-02 |
| TNSN87124A1 (fr) | 1990-01-01 |
| EP0266840A1 (en) | 1988-05-11 |
| KR880006175A (ko) | 1988-07-21 |
| PL268571A1 (en) | 1988-09-01 |
| FI874809A (fi) | 1988-05-04 |
| ZA878215B (en) | 1988-04-28 |
| MA21100A1 (fr) | 1988-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |