CA1022103A - Mode de purification des solutions d'uree - Google Patents
Mode de purification des solutions d'ureeInfo
- Publication number
- CA1022103A CA1022103A CA194,352A CA194352A CA1022103A CA 1022103 A CA1022103 A CA 1022103A CA 194352 A CA194352 A CA 194352A CA 1022103 A CA1022103 A CA 1022103A
- Authority
- CA
- Canada
- Prior art keywords
- urea solutions
- purifying urea
- purifying
- solutions
- urea
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
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 (it) | 1973-03-08 | 1973-03-08 | Procedimento per la purificazione da nh 3 e carbammato della soluzio ne uscente da un reattore di sinte si dell ure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1022103A true CA1022103A (fr) | 1977-12-06 |
Family
ID=11179741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA194,352A Expired CA1022103A (fr) | 1973-03-08 | 1974-03-07 | Mode de purification des solutions d'uree |
Country Status (25)
| Country | Link |
|---|---|
| JP (2) | JPS49124029A (fr) |
| AR (1) | AR200429A1 (fr) |
| AT (1) | AT342067B (fr) |
| BE (1) | BE811880A (fr) |
| BR (1) | BR7401582D0 (fr) |
| CA (1) | CA1022103A (fr) |
| CH (1) | CH603565A5 (fr) |
| DD (1) | DD112752A5 (fr) |
| DK (1) | DK144008C (fr) |
| EG (1) | EG11031A (fr) |
| ES (1) | ES424334A1 (fr) |
| FR (1) | FR2220516B1 (fr) |
| GB (1) | GB1402249A (fr) |
| IE (1) | IE38973B1 (fr) |
| IN (1) | IN139208B (fr) |
| IT (1) | IT981191B (fr) |
| LU (1) | LU69576A1 (fr) |
| MW (1) | MW874A1 (fr) |
| NL (1) | NL7403054A (fr) |
| PH (1) | PH12740A (fr) |
| RO (1) | RO69510A (fr) |
| SE (1) | SE386145B (fr) |
| TR (1) | TR17998A (fr) |
| ZA (1) | ZA741186B (fr) |
| ZM (1) | ZM4274A1 (fr) |
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 (fr) * | 1964-02-17 | 1968-08-02 | Allied Chem | Procédé et dispositif de décomposition de carbamate d'ammonium notamment résultant de la synthèse de l'urée ainsi que les produits obtenus par le présent procédé ou procédé similaire |
-
1973
- 1973-03-08 IT IT21300/73A patent/IT981191B/it active
-
1974
- 1974-02-22 ZA ZA00741186A patent/ZA741186B/xx unknown
- 1974-02-26 TR TR17998A patent/TR17998A/xx unknown
- 1974-02-26 EG EG61/74A patent/EG11031A/xx active
- 1974-02-28 FR FR7406822A patent/FR2220516B1/fr not_active Expired
- 1974-02-28 MW MW8/74*UA patent/MW874A1/xx unknown
- 1974-03-04 BR BR1582/74A patent/BR7401582D0/pt unknown
- 1974-03-04 AR AR252612A patent/AR200429A1/es active
- 1974-03-05 JP JP49024872A patent/JPS49124029A/ja active Pending
- 1974-03-05 BE BE141648A patent/BE811880A/fr not_active IP Right Cessation
- 1974-03-05 IE IE00465/74A patent/IE38973B1/xx unknown
- 1974-03-05 RO RO7477908A patent/RO69510A/fr 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 CH CH317174A patent/CH603565A5/xx not_active IP Right Cessation
- 1974-03-06 DD DD176982A patent/DD112752A5/xx unknown
- 1974-03-06 ZM ZM42/74A patent/ZM4274A1/xx unknown
- 1974-03-06 SE SE7402993A patent/SE386145B/xx not_active IP Right Cessation
- 1974-03-07 LU LU69576A patent/LU69576A1/xx unknown
- 1974-03-07 CA CA194,352A patent/CA1022103A/fr not_active Expired
- 1974-03-07 ES ES424334A patent/ES424334A1/es not_active Expired
- 1974-03-07 DK DK125174A patent/DK144008C/da not_active IP Right Cessation
- 1974-03-07 AT AT189874A patent/AT342067B/de not_active IP Right Cessation
- 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 |
|---|---|
| ES424334A1 (es) | 1976-06-01 |
| CH603565A5 (fr) | 1978-08-31 |
| IE38973B1 (en) | 1978-07-05 |
| DD112752A5 (fr) | 1975-05-05 |
| AU6594074A (en) | 1975-08-28 |
| GB1402249A (en) | 1975-08-06 |
| IE38973L (en) | 1974-09-08 |
| BR7401582D0 (pt) | 1974-11-05 |
| DK144008B (da) | 1981-11-16 |
| ZA741186B (en) | 1975-01-29 |
| JPS56134344U (fr) | 1981-10-12 |
| LU69576A1 (fr) | 1974-07-05 |
| BE811880A (fr) | 1974-07-01 |
| DK144008C (da) | 1982-04-26 |
| DE2411205A1 (de) | 1974-09-26 |
| RO69510A (fr) | 1980-12-30 |
| FR2220516A1 (fr) | 1974-10-04 |
| FR2220516B1 (fr) | 1978-01-06 |
| MW874A1 (en) | 1975-05-13 |
| NL7403054A (fr) | 1974-09-10 |
| TR17998A (tr) | 1976-08-20 |
| IN139208B (fr) | 1976-05-22 |
| SE386145B (sv) | 1976-08-02 |
| IT981191B (it) | 1974-10-10 |
| EG11031A (en) | 1976-11-30 |
| DE2411205B2 (de) | 1976-01-15 |
| ZM4274A1 (en) | 1974-11-21 |
| PH12740A (en) | 1979-08-09 |
| ATA189874A (de) | 1977-07-15 |
| AT342067B (de) | 1978-03-10 |
| AR200429A1 (es) | 1974-11-08 |
| JPS49124029A (fr) | 1974-11-27 |
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