IN164714B - - Google Patents
Info
- Publication number
- IN164714B IN164714B IN319/MAS/85A IN319MA1985A IN164714B IN 164714 B IN164714 B IN 164714B IN 319MA1985 A IN319MA1985 A IN 319MA1985A IN 164714 B IN164714 B IN 164714B
- Authority
- IN
- India
- Prior art keywords
- zones
- ammonia
- urea
- followed
- synthesis
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH247784 | 1984-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
IN164714B true IN164714B (de) | 1989-05-13 |
Family
ID=4234678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN319/MAS/85A IN164714B (de) | 1984-05-19 | 1985-04-27 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4613696A (de) |
EP (1) | EP0180704B1 (de) |
AT (1) | ATE37868T1 (de) |
CA (1) | CA1329625C (de) |
DE (1) | DE3565532D1 (de) |
IN (1) | IN164714B (de) |
SU (1) | SU1417794A3 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8602769A (nl) * | 1986-11-03 | 1988-06-01 | Stamicarbon | Werkwijze voor het concentreren van een ureumoplossing en inrichting voor het uitvoeren van de werkwijze. |
US4869887A (en) * | 1987-10-30 | 1989-09-26 | Dijk Christiaan P Van | Integrated ammonia-urea process |
US4988491A (en) * | 1989-04-11 | 1991-01-29 | Christiaan Van Dijk | Flexible integration of the production of ammonia and urea |
US6150555A (en) * | 1992-05-08 | 2000-11-21 | Urea Casale, S.A. | Process for urea production |
EP0611753B1 (de) * | 1993-01-07 | 1999-10-27 | Urea Casale S.A. | Verbessertes Verfahren zur Produktion von Harnstoff unter Verwendung eines Schrittes zur Kohlendioxidentfernung |
NL1007713C2 (nl) * | 1997-12-05 | 1999-06-08 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
EP1714959B1 (de) * | 2005-04-19 | 2015-11-18 | Casale Sa | Verfahren und Anlage für die Herstellung von Harnstoff |
US7687041B2 (en) * | 2008-02-27 | 2010-03-30 | Kellogg Brown & Root Llc | Apparatus and methods for urea production |
EP2128129A1 (de) * | 2008-05-20 | 2009-12-02 | Urea Casale S.A. | Verfahren zur Modernisierung einer Harnstoffproduktionsanlage |
EP2199279A1 (de) | 2008-12-17 | 2010-06-23 | Urea Casale S.A. | Verbesserung der Hochdruck-Schleife in einem Verfahren zur Harnstoffsynthese |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BG35038A3 (en) * | 1977-05-05 | 1984-01-16 | Montedison Spa,It | Method and installation for synthesis of urea |
US4235816A (en) * | 1979-03-08 | 1980-11-25 | Snamprogetti S.P.A. | Integrated ammonia-urea process |
JPS5811432B2 (ja) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | 尿素合成法 |
JPS56128749A (en) * | 1980-03-13 | 1981-10-08 | Mitsui Toatsu Chem Inc | Stripping of unreacted material in urea preparation process |
US4311856A (en) * | 1980-12-31 | 1982-01-19 | Toyo Engineering Corp. | Process for synthesizing urea |
IT1212524B (it) * | 1982-06-08 | 1989-11-30 | Montedison Spa | Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea. |
-
1985
- 1985-04-20 AT AT85104811T patent/ATE37868T1/de not_active IP Right Cessation
- 1985-04-20 EP EP85104811A patent/EP0180704B1/de not_active Expired
- 1985-04-20 DE DE8585104811T patent/DE3565532D1/de not_active Expired
- 1985-04-27 IN IN319/MAS/85A patent/IN164714B/en unknown
- 1985-05-02 US US06/729,528 patent/US4613696A/en not_active Expired - Lifetime
- 1985-05-17 CA CA000481820A patent/CA1329625C/en not_active Expired - Fee Related
- 1985-05-17 SU SU853898059A patent/SU1417794A3/ru active
Also Published As
Publication number | Publication date |
---|---|
EP0180704B1 (de) | 1988-10-12 |
SU1417794A3 (ru) | 1988-08-15 |
US4613696A (en) | 1986-09-23 |
CA1329625C (en) | 1994-05-17 |
DE3565532D1 (en) | 1988-11-17 |
ATE37868T1 (de) | 1988-10-15 |
EP0180704A1 (de) | 1986-05-14 |
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