BR8705820A - Processo para preparacao de ureia,bem como ureia e solucoes de ureia assim obtidas - Google Patents
Processo para preparacao de ureia,bem como ureia e solucoes de ureia assim obtidasInfo
- Publication number
- BR8705820A BR8705820A BR8705820A BR8705820A BR8705820A BR 8705820 A BR8705820 A BR 8705820A BR 8705820 A BR8705820 A BR 8705820A BR 8705820 A BR8705820 A BR 8705820A BR 8705820 A BR8705820 A BR 8705820A
- Authority
- BR
- Brazil
- Prior art keywords
- urea
- well
- preparation
- solutions
- urea solutions
- 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 |
|---|---|
| BR8705820A true BR8705820A (pt) | 1988-06-28 |
Family
ID=19848769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8705820A BR8705820A (pt) | 1986-11-03 | 1987-10-30 | Processo para preparacao de ureia,bem como ureia e solucoes de ureia assim obtidas |
Country Status (21)
| Country | Link |
|---|---|
| EP (1) | EP0266840A1 (pt) |
| JP (1) | JPS63126857A (pt) |
| KR (1) | KR880006175A (pt) |
| CN (1) | CN87107627A (pt) |
| AU (1) | AU8058187A (pt) |
| BR (1) | BR8705820A (pt) |
| DD (1) | DD263526A5 (pt) |
| FI (1) | FI874809A (pt) |
| HU (1) | HUT48575A (pt) |
| IL (1) | IL84341A0 (pt) |
| MA (1) | MA21100A1 (pt) |
| NL (1) | NL8602770A (pt) |
| NO (1) | NO874557L (pt) |
| OA (1) | OA08692A (pt) |
| PH (1) | PH23601A (pt) |
| PL (1) | PL268571A1 (pt) |
| PT (1) | PT86069A (pt) |
| TN (1) | TNSN87124A1 (pt) |
| TR (1) | TR23058A (pt) |
| ZA (1) | ZA878215B (pt) |
| ZW (1) | ZW19887A1 (pt) |
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. |
| EP2664611A1 (en) | 2009-05-01 | 2013-11-20 | Idemitsu Kosan Co., Ltd | Method for producing alpha,beta-unsaturated carboxylic acid-N,N-disubstituted amide and method for producing 3-alkoxycarboxylic acid-N,N-disubstituted amide |
| PE20142379A1 (es) * | 2012-05-03 | 2015-01-25 | Stamicarbon | Metodo y aparato para la produccion de urea a partir de amoniaco y dioxido de carbono |
| 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 |
| EP3898579A1 (en) * | 2018-12-21 | 2021-10-27 | 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 NO NO874557A patent/NO874557L/no unknown
- 1987-11-02 CN CN198787107627A patent/CN87107627A/zh active Pending
- 1987-11-02 MA MA21341A patent/MA21100A1/fr unknown
- 1987-11-02 HU HU874916A patent/HUT48575A/hu unknown
- 1987-11-02 FI FI874809A patent/FI874809A/fi not_active Application Discontinuation
- 1987-11-02 PH PH36015A patent/PH23601A/en unknown
- 1987-11-02 TR TR747/87A patent/TR23058A/xx unknown
- 1987-11-02 DD DD87308576A patent/DD263526A5/de not_active IP Right Cessation
- 1987-11-02 IL IL84341A patent/IL84341A0/xx unknown
- 1987-11-02 ZA ZA878215A patent/ZA878215B/xx unknown
- 1987-11-02 EP EP87202110A patent/EP0266840A1/en not_active Withdrawn
- 1987-11-02 JP JP62275872A patent/JPS63126857A/ja active Pending
- 1987-11-02 AU AU80581/87A patent/AU8058187A/en not_active Abandoned
- 1987-11-03 OA OA59217A patent/OA08692A/xx unknown
- 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 ZW ZW198/87A patent/ZW19887A1/xx unknown
- 1987-11-03 PT PT86069A patent/PT86069A/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IL84341A0 (en) | 1988-04-29 |
| DD263526A5 (de) | 1989-01-04 |
| HUT48575A (en) | 1989-06-28 |
| MA21100A1 (fr) | 1988-07-01 |
| OA08692A (en) | 1989-03-31 |
| PT86069A (pt) | 1988-12-15 |
| NL8602770A (nl) | 1988-06-01 |
| CN87107627A (zh) | 1988-07-27 |
| PL268571A1 (en) | 1988-09-01 |
| AU8058187A (en) | 1988-05-05 |
| TR23058A (tr) | 1989-02-14 |
| NO874557L (no) | 1988-05-04 |
| EP0266840A1 (en) | 1988-05-11 |
| JPS63126857A (ja) | 1988-05-30 |
| PH23601A (en) | 1989-09-11 |
| FI874809A (fi) | 1988-05-04 |
| KR880006175A (ko) | 1988-07-21 |
| NO874557D0 (no) | 1987-11-02 |
| TNSN87124A1 (fr) | 1990-01-01 |
| FI874809A0 (fi) | 1987-11-02 |
| ZW19887A1 (en) | 1988-02-03 |
| ZA878215B (en) | 1988-04-28 |
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