NL8104158A - Werkwijze ter bereiding van ureum. - Google Patents
Werkwijze ter bereiding van ureum. Download PDFInfo
- Publication number
- NL8104158A NL8104158A NL8104158A NL8104158A NL8104158A NL 8104158 A NL8104158 A NL 8104158A NL 8104158 A NL8104158 A NL 8104158A NL 8104158 A NL8104158 A NL 8104158A NL 8104158 A NL8104158 A NL 8104158A
- Authority
- NL
- Netherlands
- Prior art keywords
- carbon dioxide
- ammonia
- urea
- urea synthesis
- pressure
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12604380 | 1980-09-12 | ||
JP55126043A JPS5750954A (en) | 1980-09-12 | 1980-09-12 | Synthesis of urea |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8104158A true NL8104158A (nl) | 1982-04-01 |
Family
ID=14925238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8104158A NL8104158A (nl) | 1980-09-12 | 1981-09-08 | Werkwijze ter bereiding van ureum. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4354040A (de) |
JP (1) | JPS5750954A (de) |
KR (1) | KR870000808B1 (de) |
BR (1) | BR8105817A (de) |
CA (1) | CA1174692A (de) |
DE (1) | DE3136137C2 (de) |
FR (1) | FR2490224A1 (de) |
GB (1) | GB2083472B (de) |
IN (1) | IN156283B (de) |
IT (1) | IT1139963B (de) |
NL (1) | NL8104158A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8204601A (nl) * | 1982-11-26 | 1984-06-18 | V I Kucheryavy T M Bogdanova D | Werkwijze voor het bereiden van ureum. |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8104040A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
NL8303425A (nl) * | 1983-10-06 | 1985-05-01 | 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. |
JPS6112998U (ja) * | 1984-06-29 | 1986-01-25 | 日本石油精製株式会社 | ポンプメカニカルシ−ルフラツシング系清浄装置 |
NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | 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. |
JPS63112552A (ja) * | 1986-10-30 | 1988-05-17 | Toyo Eng Corp | 未転化物の分離方法 |
NL8602770A (nl) * | 1986-11-03 | 1988-06-01 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
NL8602769A (nl) * | 1986-11-03 | 1988-06-01 | Stamicarbon | Werkwijze voor het concentreren van een ureumoplossing en inrichting voor het uitvoeren van de werkwijze. |
IN169678B (de) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
JPH01204735A (ja) * | 1988-02-09 | 1989-08-17 | Nec Corp | 繊維強化複合材料 |
EP0410168B1 (de) * | 1989-07-28 | 1994-12-14 | Chemie Linz GmbH | Verfahren zur Herstellung unsymmetrisch substituierter Harnstoffe |
IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
IT1232670B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea. |
EP0479103B1 (de) * | 1990-10-05 | 1996-03-06 | Urea Casale S.A. | Verfahren zur Herstellung von Harnstoff mit unterschiedlichen Leistungen sowie die Implementierung in existierenden Anlagen |
US5276183A (en) * | 1991-01-29 | 1994-01-04 | Urea Casale S.A. | Process and plant for the production of urea |
ZA96686B (en) | 1995-02-01 | 1996-08-16 | Urea Casale Sa | Process and plant for the production of urea with high conversion yield and low energy consumption |
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 |
ITMI20110804A1 (it) | 2011-05-10 | 2012-11-11 | Saipem Spa | "processo ad alta resa per la sintesi dell'urea" |
ITMI20120013A1 (it) | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
DE102016217765A1 (de) * | 2016-09-16 | 2018-03-22 | Thyssenkrupp Ag | Anordnung und Verfahren zur Kondensation eines heißen sauren Gasgemischs |
EP3896031A1 (de) * | 2020-04-17 | 2021-10-20 | Casale Sa | Nachrüstung von ammoniakharnstoffanlagen |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB948786A (en) * | 1959-10-23 | 1964-02-05 | Toyo Koatsu Ind Inc | An improvement in synthesis of urea |
FR1423412A (fr) * | 1964-09-08 | 1966-01-03 | Snam Spa | Procédé pour la fabrication de l'urée par synthèse à partir de l'ammoniac et de l'anhydride carbonique, comportant un recyclage total de la partie non transformée en urée |
US3301897A (en) * | 1965-11-08 | 1967-01-31 | Chemical Construction Corp | Process for urea synthesis |
GB1131906A (en) * | 1966-02-15 | 1968-10-30 | Sumitomo Chemical Co | Method of synthesizing urea |
CH498811A (de) * | 1967-05-22 | 1970-11-15 | Chemical Construction Corp | Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd |
US3711544A (en) * | 1970-04-20 | 1973-01-16 | Lummus Co | Heat recovery in urea synthesis |
DE2128450A1 (en) * | 1971-06-08 | 1972-12-28 | Chemical Construction Corp., New York, N.Y. (V.StA.) | Urea process from ammonia and carbon dioxide - improved by stripping recycle carbamate with feed carbon dioxide |
NL172058C (nl) * | 1972-06-12 | 1983-07-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
JPS585190B2 (ja) * | 1975-09-22 | 1983-01-29 | 三井東圧化学株式会社 | 尿素合成における未反応物の分離回収方法 |
JPS5268129A (en) * | 1975-12-05 | 1977-06-06 | Mitsui Toatsu Chem Inc | Recovery of unreacted material and heat on urea synthesis |
JPS52105125A (en) * | 1976-03-02 | 1977-09-03 | Mitsui Toatsu Chem Inc | Separation and recovery of unreacted material on urea synthesis |
US4110374A (en) * | 1976-03-02 | 1978-08-29 | Mitsui Toatsu Chemicals Inc. | Process for separating and recovering unreacted materials in urea synthesis |
JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
JPS5811432B2 (ja) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | 尿素合成法 |
-
1980
- 1980-09-12 JP JP55126043A patent/JPS5750954A/ja active Granted
-
1981
- 1981-08-21 IN IN933/CAL/81A patent/IN156283B/en unknown
- 1981-09-01 US US06/298,302 patent/US4354040A/en not_active Expired - Lifetime
- 1981-09-04 GB GB8126791A patent/GB2083472B/en not_active Expired
- 1981-09-08 NL NL8104158A patent/NL8104158A/nl not_active Application Discontinuation
- 1981-09-10 IT IT23890/81A patent/IT1139963B/it active
- 1981-09-11 DE DE3136137A patent/DE3136137C2/de not_active Expired - Fee Related
- 1981-09-11 BR BR8105817A patent/BR8105817A/pt not_active IP Right Cessation
- 1981-09-11 CA CA000385737A patent/CA1174692A/en not_active Expired
- 1981-09-11 KR KR1019810003385A patent/KR870000808B1/ko active
- 1981-09-14 FR FR8117299A patent/FR2490224A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8204601A (nl) * | 1982-11-26 | 1984-06-18 | V I Kucheryavy T M Bogdanova D | Werkwijze voor het bereiden van ureum. |
Also Published As
Publication number | Publication date |
---|---|
KR870000808B1 (ko) | 1987-04-20 |
DE3136137C2 (de) | 1993-11-04 |
JPS5750954A (en) | 1982-03-25 |
JPS6116384B2 (de) | 1986-04-30 |
US4354040A (en) | 1982-10-12 |
FR2490224B1 (de) | 1984-02-10 |
KR830007529A (ko) | 1983-10-21 |
US4354040B1 (de) | 1988-07-26 |
CA1174692A (en) | 1984-09-18 |
FR2490224A1 (fr) | 1982-03-19 |
GB2083472A (en) | 1982-03-24 |
IT1139963B (it) | 1986-09-24 |
IN156283B (de) | 1985-06-15 |
BR8105817A (pt) | 1982-06-08 |
GB2083472B (en) | 1984-09-12 |
IT8123890A0 (it) | 1981-09-10 |
DE3136137A1 (de) | 1982-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: TOYO ENGINEERING CORPORATION |
|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |