ZA878215B - Process for preparing urea - Google Patents
Process for preparing ureaInfo
- Publication number
- ZA878215B ZA878215B ZA878215A ZA878215A ZA878215B ZA 878215 B ZA878215 B ZA 878215B ZA 878215 A ZA878215 A ZA 878215A ZA 878215 A ZA878215 A ZA 878215A ZA 878215 B ZA878215 B ZA 878215B
- Authority
- ZA
- South Africa
- Prior art keywords
- preparing urea
- urea
- preparing
- 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 |
|---|---|
| ZA878215B true ZA878215B (en) | 1988-04-28 |
Family
ID=19848769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA878215A ZA878215B (en) | 1986-11-03 | 1987-11-02 | Process for preparing urea |
Country Status (21)
| Country | Link |
|---|---|
| EP (1) | EP0266840A1 (xx) |
| JP (1) | JPS63126857A (xx) |
| KR (1) | KR880006175A (xx) |
| CN (1) | CN87107627A (xx) |
| AU (1) | AU8058187A (xx) |
| BR (1) | BR8705820A (xx) |
| DD (1) | DD263526A5 (xx) |
| FI (1) | FI874809A (xx) |
| HU (1) | HUT48575A (xx) |
| IL (1) | IL84341A0 (xx) |
| MA (1) | MA21100A1 (xx) |
| NL (1) | NL8602770A (xx) |
| NO (1) | NO874557L (xx) |
| OA (1) | OA08692A (xx) |
| PH (1) | PH23601A (xx) |
| PL (1) | PL268571A1 (xx) |
| PT (1) | PT86069A (xx) |
| TN (1) | TNSN87124A1 (xx) |
| TR (1) | TR23058A (xx) |
| ZA (1) | ZA878215B (xx) |
| ZW (1) | ZW19887A1 (xx) |
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 |
| EP2844641B1 (en) * | 2012-05-03 | 2017-01-18 | Stamicarbon B.V. | 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 |
| CN113195449B (zh) * | 2018-12-21 | 2022-05-24 | 斯塔米卡邦有限公司 | 在低压回收段具有热整合的尿素生产方法和装置 |
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 IL IL84341A patent/IL84341A0/xx unknown
- 1987-11-02 MA MA21341A patent/MA21100A1/fr unknown
- 1987-11-02 FI FI874809A patent/FI874809A/fi not_active Application Discontinuation
- 1987-11-02 NO NO874557A patent/NO874557L/no unknown
- 1987-11-02 TR TR747/87A patent/TR23058A/xx unknown
- 1987-11-02 EP EP87202110A patent/EP0266840A1/en not_active Withdrawn
- 1987-11-02 CN CN198787107627A patent/CN87107627A/zh active Pending
- 1987-11-02 JP JP62275872A patent/JPS63126857A/ja active Pending
- 1987-11-02 AU AU80581/87A patent/AU8058187A/en not_active Abandoned
- 1987-11-02 PH PH36015A patent/PH23601A/en unknown
- 1987-11-02 ZA ZA878215A patent/ZA878215B/xx unknown
- 1987-11-02 HU HU874916A patent/HUT48575A/hu unknown
- 1987-11-02 DD DD87308576A patent/DD263526A5/de not_active IP Right Cessation
- 1987-11-03 ZW ZW198/87A patent/ZW19887A1/xx unknown
- 1987-11-03 TN TNTNSN87124A patent/TNSN87124A1/fr unknown
- 1987-11-03 OA OA59217A patent/OA08692A/xx unknown
- 1987-11-03 PL PL26857187A patent/PL268571A1/xx unknown
- 1987-11-03 PT PT86069A patent/PT86069A/pt not_active Application Discontinuation
- 1987-11-03 KR KR870012305A patent/KR880006175A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IL84341A0 (en) | 1988-04-29 |
| PH23601A (en) | 1989-09-11 |
| TR23058A (tr) | 1989-02-14 |
| ZW19887A1 (en) | 1988-02-03 |
| DD263526A5 (de) | 1989-01-04 |
| FI874809A0 (fi) | 1987-11-02 |
| OA08692A (en) | 1989-03-31 |
| PL268571A1 (en) | 1988-09-01 |
| NL8602770A (nl) | 1988-06-01 |
| EP0266840A1 (en) | 1988-05-11 |
| MA21100A1 (fr) | 1988-07-01 |
| AU8058187A (en) | 1988-05-05 |
| NO874557L (no) | 1988-05-04 |
| NO874557D0 (no) | 1987-11-02 |
| TNSN87124A1 (fr) | 1990-01-01 |
| JPS63126857A (ja) | 1988-05-30 |
| PT86069A (pt) | 1988-12-15 |
| BR8705820A (pt) | 1988-06-28 |
| FI874809A (fi) | 1988-05-04 |
| HUT48575A (en) | 1989-06-28 |
| CN87107627A (zh) | 1988-07-27 |
| KR880006175A (ko) | 1988-07-21 |
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