ATE167666T1 - Verfahren zur herstellung von harnstoff mit reaktionsräumen unterschiedlicher ausbeuten - Google Patents
Verfahren zur herstellung von harnstoff mit reaktionsräumen unterschiedlicher ausbeutenInfo
- Publication number
- ATE167666T1 ATE167666T1 AT92111783T AT92111783T ATE167666T1 AT E167666 T1 ATE167666 T1 AT E167666T1 AT 92111783 T AT92111783 T AT 92111783T AT 92111783 T AT92111783 T AT 92111783T AT E167666 T1 ATE167666 T1 AT E167666T1
- Authority
- AT
- Austria
- Prior art keywords
- reaction
- reaction spaces
- producing urea
- synthesis
- different yields
- 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
-
- 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
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH332591 | 1991-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE167666T1 true ATE167666T1 (de) | 1998-07-15 |
Family
ID=4253531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92111783T ATE167666T1 (de) | 1991-11-14 | 1992-07-10 | Verfahren zur herstellung von harnstoff mit reaktionsräumen unterschiedlicher ausbeuten |
Country Status (12)
Country | Link |
---|---|
US (1) | US5380943A (de) |
EP (1) | EP0544056B1 (de) |
KR (1) | KR930009987A (de) |
CN (1) | CN1034014C (de) |
AT (1) | ATE167666T1 (de) |
AU (1) | AU2607292A (de) |
BR (1) | BR9204358A (de) |
CA (1) | CA2082469A1 (de) |
DE (1) | DE69226010T2 (de) |
MX (1) | MX9206557A (de) |
RU (1) | RU2090554C1 (de) |
TW (1) | TW235957B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE134994T1 (de) * | 1990-10-05 | 1996-03-15 | Urea Casale Sa | Verfahren zur herstellung von harnstoff mit unterschiedlichen leistungen sowie die implementierung in existierenden anlagen |
DE69326881D1 (de) * | 1993-01-07 | 1999-12-02 | Urea Casale Sa | Verbessertes Verfahren zur Produktion von Harnstoff unter Verwendung eines Schrittes zur Kohlendioxidentfernung |
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 |
EP0799194B1 (de) | 1994-12-23 | 2001-05-02 | Urea Casale S.A. | Verfahren für die modernisierung einer anlage zur herstellung von harnstoff |
US6706093B2 (en) * | 2000-05-23 | 2004-03-16 | Rohm And Haas Company | Method and apparatus for preventing iron contamination in corrosive service |
CN104387296B (zh) * | 2014-10-28 | 2016-09-28 | 河南骏化发展股份有限公司 | 一种尿素生产工艺 |
EP3323805A1 (de) * | 2016-11-18 | 2018-05-23 | Casale SA | Verfahren zur integrierten herstellung von harnstoff und harnstoff/-ammoniumnitrat |
EP3766865A1 (de) | 2019-07-18 | 2021-01-20 | Casale Sa | Verfahren zur synthese von harnstoff |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1124547A (en) * | 1966-05-02 | 1968-08-21 | Toyo Koatsu Ind Inc | Production of urea |
JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
IT1211125B (it) * | 1981-10-16 | 1989-09-29 | Ortu Francesco | Composti azotati. processo per la preparazione di |
NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
US5276183A (en) * | 1991-01-29 | 1994-01-04 | Urea Casale S.A. | Process and plant for the production of urea |
-
1992
- 1992-07-10 DE DE69226010T patent/DE69226010T2/de not_active Expired - Fee Related
- 1992-07-10 AT AT92111783T patent/ATE167666T1/de not_active IP Right Cessation
- 1992-07-10 EP EP92111783A patent/EP0544056B1/de not_active Expired - Lifetime
- 1992-08-11 CN CN92109320A patent/CN1034014C/zh not_active Ceased
- 1992-08-25 RU SU925052641A patent/RU2090554C1/ru active
- 1992-09-16 US US07/947,287 patent/US5380943A/en not_active Expired - Fee Related
- 1992-09-29 AU AU26072/92A patent/AU2607292A/en not_active Abandoned
- 1992-11-09 KR KR1019920020898A patent/KR930009987A/ko not_active Application Discontinuation
- 1992-11-09 CA CA002082469A patent/CA2082469A1/en not_active Abandoned
- 1992-11-10 BR BR929204358A patent/BR9204358A/pt not_active Application Discontinuation
- 1992-11-13 MX MX9206557A patent/MX9206557A/es not_active IP Right Cessation
- 1992-12-12 TW TW081110057A patent/TW235957B/zh active
Also Published As
Publication number | Publication date |
---|---|
US5380943A (en) | 1995-01-10 |
AU2607292A (en) | 1993-05-20 |
TW235957B (de) | 1994-12-11 |
CA2082469A1 (en) | 1993-05-15 |
DE69226010D1 (de) | 1998-07-30 |
DE69226010T2 (de) | 1999-02-25 |
CN1072174A (zh) | 1993-05-19 |
EP0544056A1 (de) | 1993-06-02 |
KR930009987A (ko) | 1993-06-21 |
RU2090554C1 (ru) | 1997-09-20 |
MX9206557A (es) | 1993-05-01 |
BR9204358A (pt) | 1993-06-01 |
EP0544056B1 (de) | 1998-06-24 |
CN1034014C (zh) | 1997-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |