BE811880A - METHOD FOR PURIFYING SOLUTIONS LEAVING UREA SYNTHESIS REACTORS - Google Patents
METHOD FOR PURIFYING SOLUTIONS LEAVING UREA SYNTHESIS REACTORSInfo
- Publication number
- BE811880A BE811880A BE141648A BE141648A BE811880A BE 811880 A BE811880 A BE 811880A BE 141648 A BE141648 A BE 141648A BE 141648 A BE141648 A BE 141648A BE 811880 A BE811880 A BE 811880A
- Authority
- BE
- Belgium
- Prior art keywords
- urea synthesis
- synthesis reactors
- purifying solutions
- solutions leaving
- leaving urea
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- 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
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT21300/73A IT981191B (en) | 1973-03-08 | 1973-03-08 | PROCEDURE FOR PURIFICATION FROM NH 3 AND CARBAMATE OF THE SOLUTION OUT OF A SINTE SI REACTOR OF THE URE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE811880A true BE811880A (en) | 1974-07-01 |
Family
ID=11179741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE141648A BE811880A (en) | 1973-03-08 | 1974-03-05 | METHOD FOR PURIFYING SOLUTIONS LEAVING UREA SYNTHESIS REACTORS |
Country Status (25)
| Country | Link |
|---|---|
| JP (2) | JPS49124029A (en) |
| AR (1) | AR200429A1 (en) |
| AT (1) | AT342067B (en) |
| BE (1) | BE811880A (en) |
| BR (1) | BR7401582D0 (en) |
| CA (1) | CA1022103A (en) |
| CH (1) | CH603565A5 (en) |
| DD (1) | DD112752A5 (en) |
| DK (1) | DK144008C (en) |
| EG (1) | EG11031A (en) |
| ES (1) | ES424334A1 (en) |
| FR (1) | FR2220516B1 (en) |
| GB (1) | GB1402249A (en) |
| IE (1) | IE38973B1 (en) |
| IN (1) | IN139208B (en) |
| IT (1) | IT981191B (en) |
| LU (1) | LU69576A1 (en) |
| MW (1) | MW874A1 (en) |
| NL (1) | NL7403054A (en) |
| PH (1) | PH12740A (en) |
| RO (1) | RO69510A (en) |
| SE (1) | SE386145B (en) |
| TR (1) | TR17998A (en) |
| ZA (1) | ZA741186B (en) |
| ZM (1) | ZM4274A1 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2955916A (en) * | 1955-11-21 | 1960-10-11 | Lonza Electric & Chem Works | Method of producing carbon dioxide and ammonia from intermediate reaction products in the synthesis of urea |
| FR1534669A (en) * | 1964-02-17 | 1968-08-02 | Allied Chem | Process and device for the decomposition of ammonium carbamate, in particular resulting from the synthesis of urea, as well as the products obtained by the present process or similar process |
-
1973
- 1973-03-08 IT IT21300/73A patent/IT981191B/en active
-
1974
- 1974-02-22 ZA ZA00741186A patent/ZA741186B/en unknown
- 1974-02-26 EG EG61/74A patent/EG11031A/en active
- 1974-02-26 TR TR17998A patent/TR17998A/en unknown
- 1974-02-28 MW MW8/74*UA patent/MW874A1/en unknown
- 1974-02-28 FR FR7406822A patent/FR2220516B1/fr not_active Expired
- 1974-03-04 BR BR1582/74A patent/BR7401582D0/en unknown
- 1974-03-04 AR AR252612A patent/AR200429A1/en active
- 1974-03-05 IE IE00465/74A patent/IE38973B1/en unknown
- 1974-03-05 BE BE141648A patent/BE811880A/en not_active IP Right Cessation
- 1974-03-05 RO RO7477908A patent/RO69510A/en unknown
- 1974-03-05 JP JP49024872A patent/JPS49124029A/ja active Pending
- 1974-03-06 SE SE7402993A patent/SE386145B/en not_active IP Right Cessation
- 1974-03-06 CH CH317174A patent/CH603565A5/xx not_active IP Right Cessation
- 1974-03-06 ZM ZM42/74A patent/ZM4274A1/en unknown
- 1974-03-06 GB GB1015374A patent/GB1402249A/en not_active Expired
- 1974-03-06 NL NL7403054A patent/NL7403054A/xx not_active Application Discontinuation
- 1974-03-06 DD DD176982A patent/DD112752A5/xx unknown
- 1974-03-07 CA CA194,352A patent/CA1022103A/en not_active Expired
- 1974-03-07 AT AT189874A patent/AT342067B/en not_active IP Right Cessation
- 1974-03-07 ES ES424334A patent/ES424334A1/en not_active Expired
- 1974-03-07 DK DK125174A patent/DK144008C/en not_active IP Right Cessation
- 1974-03-07 LU LU69576A patent/LU69576A1/xx unknown
- 1974-03-08 PH PH15599A patent/PH12740A/en unknown
- 1974-03-19 IN IN592/CAL/74A patent/IN139208B/en unknown
-
1981
- 1981-03-06 JP JP1981030423U patent/JPS56134344U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1402249A (en) | 1975-08-06 |
| TR17998A (en) | 1976-08-20 |
| JPS56134344U (en) | 1981-10-12 |
| ZA741186B (en) | 1975-01-29 |
| LU69576A1 (en) | 1974-07-05 |
| PH12740A (en) | 1979-08-09 |
| ES424334A1 (en) | 1976-06-01 |
| AT342067B (en) | 1978-03-10 |
| FR2220516A1 (en) | 1974-10-04 |
| IE38973L (en) | 1974-09-08 |
| EG11031A (en) | 1976-11-30 |
| MW874A1 (en) | 1975-05-13 |
| DE2411205B2 (en) | 1976-01-15 |
| NL7403054A (en) | 1974-09-10 |
| DK144008C (en) | 1982-04-26 |
| IT981191B (en) | 1974-10-10 |
| IN139208B (en) | 1976-05-22 |
| BR7401582D0 (en) | 1974-11-05 |
| FR2220516B1 (en) | 1978-01-06 |
| ZM4274A1 (en) | 1974-11-21 |
| AU6594074A (en) | 1975-08-28 |
| CA1022103A (en) | 1977-12-06 |
| JPS49124029A (en) | 1974-11-27 |
| CH603565A5 (en) | 1978-08-31 |
| DD112752A5 (en) | 1975-05-05 |
| AR200429A1 (en) | 1974-11-08 |
| DK144008B (en) | 1981-11-16 |
| ATA189874A (en) | 1977-07-15 |
| DE2411205A1 (en) | 1974-09-26 |
| RO69510A (en) | 1980-12-30 |
| SE386145B (en) | 1976-08-02 |
| IE38973B1 (en) | 1978-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: SNAM PROGETTI S.P.A. Effective date: 19870331 |