BR8900498A - Processo para concentrar uma solucao de ureia bem como solucao de ureia assim obtida - Google Patents
Processo para concentrar uma solucao de ureia bem como solucao de ureia assim obtidaInfo
- Publication number
- BR8900498A BR8900498A BR898900498A BR8900498A BR8900498A BR 8900498 A BR8900498 A BR 8900498A BR 898900498 A BR898900498 A BR 898900498A BR 8900498 A BR8900498 A BR 8900498A BR 8900498 A BR8900498 A BR 8900498A
- Authority
- BR
- Brazil
- Prior art keywords
- urea solution
- concentrate
- well
- urea
- 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
-
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- 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)
- Fertilizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8800259A NL8800259A (nl) | 1988-02-04 | 1988-02-04 | Werkwijze voor het concentreren van een ureumoplossing. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8900498A true BR8900498A (pt) | 1989-10-03 |
Family
ID=19851706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR898900498A BR8900498A (pt) | 1988-02-04 | 1989-02-03 | Processo para concentrar uma solucao de ureia bem como solucao de ureia assim obtida |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0329214A1 (pt) |
| CN (1) | CN1035110A (pt) |
| AU (1) | AU2961689A (pt) |
| BR (1) | BR8900498A (pt) |
| DD (1) | DD278781A5 (pt) |
| HU (1) | HUT49567A (pt) |
| IE (1) | IE890344L (pt) |
| NL (1) | NL8800259A (pt) |
| NO (1) | NO890458L (pt) |
| TN (1) | TNSN89011A1 (pt) |
| ZA (1) | ZA89866B (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH679485A5 (pt) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
| CN1034282C (zh) * | 1993-03-13 | 1997-03-19 | 潘宏纯 | 固体润滑剂 |
| NL1003923C2 (nl) * | 1996-08-30 | 1998-03-04 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| 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 |
| LT3452212T (lt) | 2016-05-03 | 2020-04-10 | Stamicarbon B.V. | Karbamido gamyba su kontroliuojamu biuretu |
| WO2019122297A1 (en) * | 2017-12-21 | 2019-06-27 | Yara International Asa | Systems and methods for removing water from fertilizers |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8201652A (nl) * | 1982-04-21 | 1983-11-16 | 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. |
| NL8502228A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8602770A (nl) * | 1986-11-03 | 1988-06-01 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
-
1988
- 1988-02-04 NL NL8800259A patent/NL8800259A/nl not_active Application Discontinuation
-
1989
- 1989-02-01 EP EP89200209A patent/EP0329214A1/en not_active Withdrawn
- 1989-02-02 CN CN89100715A patent/CN1035110A/zh active Pending
- 1989-02-02 DD DD89325463A patent/DD278781A5/de unknown
- 1989-02-03 NO NO89890458A patent/NO890458L/no unknown
- 1989-02-03 IE IE890344A patent/IE890344L/xx unknown
- 1989-02-03 BR BR898900498A patent/BR8900498A/pt unknown
- 1989-02-03 AU AU29616/89A patent/AU2961689A/en not_active Abandoned
- 1989-02-03 TN TNTNSN89011A patent/TNSN89011A1/fr unknown
- 1989-02-03 HU HU89549A patent/HUT49567A/hu unknown
- 1989-02-03 ZA ZA89866A patent/ZA89866B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO890458L (no) | 1989-08-07 |
| EP0329214A1 (en) | 1989-08-23 |
| AU2961689A (en) | 1989-08-10 |
| IE890344L (en) | 1989-08-04 |
| DD278781A5 (de) | 1990-05-16 |
| NL8800259A (nl) | 1989-09-01 |
| ZA89866B (en) | 1989-10-25 |
| TNSN89011A1 (fr) | 1991-02-04 |
| HUT49567A (en) | 1989-10-30 |
| CN1035110A (zh) | 1989-08-30 |
| NO890458D0 (no) | 1989-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B15K | Others concerning applications: alteration of classification |
Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. AS CLASSIFICACOES IPC ANTERIORES ERAM: C07C 126/08; C07C 127/00. Ipc: C07C 273/04 (2006.01), C07C 273/16 (2006.01) Ipc: C07C 273/04 (2006.01), C07C 273/16 (2006.01) |