RU93056596A - METHOD FOR PRODUCING UREA AND INSTALLATION FOR ITS IMPLEMENTATION - Google Patents
METHOD FOR PRODUCING UREA AND INSTALLATION FOR ITS IMPLEMENTATIONInfo
- Publication number
- RU93056596A RU93056596A RU93056596/04A RU93056596A RU93056596A RU 93056596 A RU93056596 A RU 93056596A RU 93056596/04 A RU93056596/04 A RU 93056596/04A RU 93056596 A RU93056596 A RU 93056596A RU 93056596 A RU93056596 A RU 93056596A
- Authority
- RU
- Russia
- Prior art keywords
- urea
- implementation
- installation
- reactor
- existing
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims 10
- 239000004202 carbamide Substances 0.000 title claims 5
- 238000009434 installation Methods 0.000 title claims 2
- 238000004519 manufacturing process Methods 0.000 title claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 1
- KXDHJXZQYSOELW-UHFFFAOYSA-M carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 1
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 1
- 239000001569 carbon dioxide Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH48/93 | 1993-01-07 | ||
CH4893 | 1993-01-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU93056596A true RU93056596A (en) | 1996-12-10 |
RU2131868C1 RU2131868C1 (en) | 1999-06-20 |
Family
ID=4178142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU93056596A RU2131868C1 (en) | 1993-01-07 | 1993-12-23 | Urea production process (versions) and installation |
Country Status (7)
Country | Link |
---|---|
US (3) | US5684194A (en) |
EP (1) | EP0611753B1 (en) |
CN (2) | CN1062553C (en) |
CA (1) | CA2113061A1 (en) |
DE (1) | DE69326881D1 (en) |
RO (1) | RO118130B1 (en) |
RU (1) | RU2131868C1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996020170A1 (en) * | 1994-12-23 | 1996-07-04 | Urea Casale S.A. | Process and plant for urea production with reaction spaces having differentiated yields |
ATE200897T1 (en) * | 1996-08-01 | 2001-05-15 | Urea Casale Sa | METHOD AND PLANT FOR PRODUCING UREA WITH HIGH CONVERSION DEGREE AND LOW ENERGY CONSUMPTION |
NL1007713C2 (en) * | 1997-12-05 | 1999-06-08 | Dsm Nv | Process for the preparation of urea. |
EP1036787B1 (en) | 1999-03-16 | 2003-06-04 | Urea Casale S.A. | Method for modernizing a urea production plant |
US6456851B1 (en) | 2000-03-06 | 2002-09-24 | Aurora Networks, Inc. | Wireless communications architecture |
NL1019081C2 (en) * | 2001-10-01 | 2003-04-02 | Dsm Nv | Process for the preparation of urea. |
EP1953137A1 (en) * | 2007-02-02 | 2008-08-06 | Urea Casale S.A. | Process and plant for the production of an aqueous solution comprising urea |
EP1975151A1 (en) * | 2007-03-29 | 2008-10-01 | Urea Casale S.A. | Method for modernizing a urea production plant |
US7642377B1 (en) * | 2008-07-21 | 2010-01-05 | Kellogg Brown & Root Llc | Systems and methods for integrated ammonia-urea process |
EP3398935A1 (en) * | 2017-05-05 | 2018-11-07 | Casale Sa | Process and plant for the synthesis of urea |
JP6949693B2 (en) * | 2017-12-08 | 2021-10-13 | 東洋エンジニアリング株式会社 | Treatment method and treatment equipment for aqueous solutions containing urea, ammonia and carbon dioxide |
AU2021296691B2 (en) | 2020-06-23 | 2023-09-14 | Stamicarbon B.V. | Thermal stripping urea plant and process |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5867661A (en) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | Synthesizing method of urea |
DE3565532D1 (en) * | 1984-05-19 | 1988-11-17 | Ammonia Casale Sa | Process for the preparation of urea |
CH679485A5 (en) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
EP0479103B1 (en) * | 1990-10-05 | 1996-03-06 | Urea Casale S.A. | Process for the production of urea by steps with differentiated yields, and relevant implementations also on existing plants |
EP0497215A1 (en) * | 1991-01-29 | 1992-08-05 | Urea Casale S.A. | Process and plant for the production of urea with differentiated yield reaction spaces |
IT1245396B (en) * | 1991-03-22 | 1994-09-20 | Snam Progetti | PROCEDURE FOR THE PRODUCTION OF HIGH ENERGY EFFICIENCY UREA |
ATE167666T1 (en) * | 1991-11-14 | 1998-07-15 | Urea Casale Sa | METHOD FOR PRODUCING UREA WITH REACTION SPACES OF DIFFERENT YIELDS |
-
1993
- 1993-12-20 DE DE69326881T patent/DE69326881D1/en not_active Expired - Lifetime
- 1993-12-20 EP EP93120505A patent/EP0611753B1/en not_active Expired - Lifetime
- 1993-12-23 RU RU93056596A patent/RU2131868C1/en active
-
1994
- 1994-01-06 CN CN94100116A patent/CN1062553C/en not_active Expired - Fee Related
- 1994-01-06 RO RO94-00022A patent/RO118130B1/en unknown
- 1994-01-07 CA CA002113061A patent/CA2113061A1/en not_active Abandoned
-
1995
- 1995-06-07 US US08/482,560 patent/US5684194A/en not_active Expired - Fee Related
- 1995-06-07 US US08/483,845 patent/US5681537A/en not_active Expired - Fee Related
- 1995-11-15 US US08/559,764 patent/US5792889A/en not_active Expired - Fee Related
-
2000
- 2000-01-18 CN CN00101076A patent/CN1284498A/en active Pending
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