NL8502227A - Werkwijze voor de bereiding van ureum. - Google Patents
Werkwijze voor de bereiding van ureum. Download PDFInfo
- Publication number
- NL8502227A NL8502227A NL8502227A NL8502227A NL8502227A NL 8502227 A NL8502227 A NL 8502227A NL 8502227 A NL8502227 A NL 8502227A NL 8502227 A NL8502227 A NL 8502227A NL 8502227 A NL8502227 A NL 8502227A
- Authority
- NL
- Netherlands
- Prior art keywords
- urea
- solution
- gas mixture
- zone
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (19)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8502227A NL8502227A (nl) | 1985-08-12 | 1985-08-12 | Werkwijze voor de bereiding van ureum. |
KR1019860006383A KR870002057A (ko) | 1985-08-12 | 1986-08-02 | 요소의 제조 방법 |
YU01397/86A YU139786A (en) | 1985-08-12 | 1986-08-06 | Process for obtaining carbamide |
EP86201386A EP0212744A1 (en) | 1985-08-12 | 1986-08-07 | Process for the preparation of urea |
ES8600966A ES2000389A6 (es) | 1985-08-12 | 1986-08-08 | Un procedimiento de preparacion de urea |
SU864027931A SU1494865A3 (ru) | 1985-08-12 | 1986-08-08 | Способ получени мочевины |
HU863515A HUT45970A (en) | 1985-08-12 | 1986-08-08 | Process for production of carbamides |
BR8603801A BR8603801A (pt) | 1985-08-12 | 1986-08-08 | Processo para a preparacao de ureia e ureia e solucao de ureia assim obtidas |
NO863211A NO163097C (no) | 1985-08-12 | 1986-08-08 | Fremgangsmaate ved fremstilling av urea. |
GR862097A GR862097B (en) | 1985-08-12 | 1986-08-08 | Process for the preparation of urea |
ZA865985A ZA865985B (en) | 1985-08-12 | 1986-08-08 | Process for the preparation of urea |
CN198686105256A CN86105256A (zh) | 1985-08-12 | 1986-08-09 | 制备脲素的方法 |
TR449/86A TR22843A (tr) | 1985-08-12 | 1986-08-11 | Amonyak ve karbon dioksitten uere hazirlanmasina mahsus yoentem |
IL79678A IL79678A0 (en) | 1985-08-12 | 1986-08-11 | Preparation of urea |
AU61039/86A AU592360B2 (en) | 1985-08-12 | 1986-08-11 | Process for the preparation of urea |
US06/895,430 US4801745A (en) | 1985-08-12 | 1986-08-11 | Improved process for the preparation of urea |
BG8676137A BG45384A3 (ru) | 1985-08-12 | 1986-08-11 | |
OA58927A OA08383A (fr) | 1985-08-12 | 1986-08-12 | Procédé de préparation d'urée. |
JP61187947A JPS6239559A (ja) | 1985-08-12 | 1986-08-12 | 尿素の製法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8502227A NL8502227A (nl) | 1985-08-12 | 1985-08-12 | Werkwijze voor de bereiding van ureum. |
NL8502227 | 1985-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8502227A true NL8502227A (nl) | 1987-03-02 |
Family
ID=19846410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8502227A NL8502227A (nl) | 1985-08-12 | 1985-08-12 | Werkwijze voor de bereiding van ureum. |
Country Status (19)
Country | Link |
---|---|
US (1) | US4801745A (ru) |
EP (1) | EP0212744A1 (ru) |
JP (1) | JPS6239559A (ru) |
KR (1) | KR870002057A (ru) |
CN (1) | CN86105256A (ru) |
AU (1) | AU592360B2 (ru) |
BG (1) | BG45384A3 (ru) |
BR (1) | BR8603801A (ru) |
ES (1) | ES2000389A6 (ru) |
GR (1) | GR862097B (ru) |
HU (1) | HUT45970A (ru) |
IL (1) | IL79678A0 (ru) |
NL (1) | NL8502227A (ru) |
NO (1) | NO163097C (ru) |
OA (1) | OA08383A (ru) |
SU (1) | SU1494865A3 (ru) |
TR (1) | TR22843A (ru) |
YU (1) | YU139786A (ru) |
ZA (1) | ZA865985B (ru) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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. |
EP0544056B1 (en) * | 1991-11-14 | 1998-06-24 | Urea Casale S.A. | Process for urea production with differentiated yield reaction spaces |
US5523482A (en) * | 1993-05-14 | 1996-06-04 | Urea Casale S.A. | Process and plant for the production of urea in reaction spaces with different yields |
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 |
IT1274362B (it) * | 1995-02-16 | 1997-07-17 | Snam Progetti | Procedimento ad alta resa per la sintesi dell'urea |
US5597454A (en) * | 1995-04-06 | 1997-01-28 | Lee; Jing M. | Process for producing urea |
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 |
EP1279663B2 (en) † | 2001-07-23 | 2010-07-28 | Toyo Engineering Corporation | Urea synthesis process |
JP4627959B2 (ja) * | 2001-07-23 | 2011-02-09 | 東洋エンジニアリング株式会社 | 尿素合成方法 |
EP1918273A1 (en) * | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Process for urea production and related plant |
ITMI20071029A1 (it) | 2007-05-22 | 2008-11-23 | Snam Progetti | Procedimento migliorato per la sintesi di urea |
EP2343274A1 (en) | 2010-01-07 | 2011-07-13 | Stamicarbon B.V. | A urea stripping process for the production of urea |
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 |
CN108026033B (zh) * | 2015-09-08 | 2020-11-20 | 东洋工程株式会社 | 尿素制造方法以及尿素制造装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
NL172058C (nl) * | 1972-06-12 | 1983-07-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
JPS5268129A (en) * | 1975-12-05 | 1977-06-06 | Mitsui Toatsu Chem Inc | Recovery of unreacted material and heat on urea synthesis |
IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
IT1065422B (it) * | 1976-12-23 | 1985-02-25 | Snam Progetti | Processo ammoniaca-urea integrato per la produzione di urea |
JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
GB2089786B (en) * | 1980-12-23 | 1985-02-20 | Mitsui Toatsu Chemicals | Process for synthesizing urea |
NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
-
1985
- 1985-08-12 NL NL8502227A patent/NL8502227A/nl not_active Application Discontinuation
-
1986
- 1986-08-02 KR KR1019860006383A patent/KR870002057A/ko not_active Application Discontinuation
- 1986-08-06 YU YU01397/86A patent/YU139786A/xx unknown
- 1986-08-07 EP EP86201386A patent/EP0212744A1/en not_active Withdrawn
- 1986-08-08 BR BR8603801A patent/BR8603801A/pt unknown
- 1986-08-08 SU SU864027931A patent/SU1494865A3/ru active
- 1986-08-08 NO NO863211A patent/NO163097C/no unknown
- 1986-08-08 ES ES8600966A patent/ES2000389A6/es not_active Expired
- 1986-08-08 GR GR862097A patent/GR862097B/el unknown
- 1986-08-08 ZA ZA865985A patent/ZA865985B/xx unknown
- 1986-08-08 HU HU863515A patent/HUT45970A/hu unknown
- 1986-08-09 CN CN198686105256A patent/CN86105256A/zh active Pending
- 1986-08-11 TR TR449/86A patent/TR22843A/xx unknown
- 1986-08-11 AU AU61039/86A patent/AU592360B2/en not_active Expired - Fee Related
- 1986-08-11 IL IL79678A patent/IL79678A0/xx unknown
- 1986-08-11 BG BG8676137A patent/BG45384A3/xx unknown
- 1986-08-11 US US06/895,430 patent/US4801745A/en not_active Expired - Fee Related
- 1986-08-12 JP JP61187947A patent/JPS6239559A/ja active Pending
- 1986-08-12 OA OA58927A patent/OA08383A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP0212744A1 (en) | 1987-03-04 |
SU1494865A3 (ru) | 1989-07-15 |
TR22843A (tr) | 1988-08-22 |
BR8603801A (pt) | 1987-03-17 |
OA08383A (fr) | 1988-02-29 |
AU6103986A (en) | 1987-02-19 |
ZA865985B (en) | 1987-03-25 |
NO163097C (no) | 1990-04-04 |
NO163097B (no) | 1989-12-27 |
US4801745A (en) | 1989-01-31 |
KR870002057A (ko) | 1987-03-28 |
ES2000389A6 (es) | 1988-02-16 |
HUT45970A (en) | 1988-09-28 |
BG45384A3 (ru) | 1989-05-15 |
GR862097B (en) | 1986-12-30 |
JPS6239559A (ja) | 1987-02-20 |
NO863211L (no) | 1987-02-13 |
YU139786A (en) | 1988-04-30 |
CN86105256A (zh) | 1987-04-01 |
AU592360B2 (en) | 1990-01-11 |
NO863211D0 (no) | 1986-08-08 |
IL79678A0 (en) | 1986-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |