RO69510A - Procedeu de purificare a solutiilor de uree - Google Patents
Procedeu de purificare a solutiilor de ureeInfo
- Publication number
- RO69510A RO69510A RO7477908A RO7790874A RO69510A RO 69510 A RO69510 A RO 69510A RO 7477908 A RO7477908 A RO 7477908A RO 7790874 A RO7790874 A RO 7790874A RO 69510 A RO69510 A RO 69510A
- Authority
- RO
- Romania
- Prior art keywords
- solutions
- carbamide
- purifying
- purifying carbamide
- carbamide solutions
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 2
- 235000013877 carbamide Nutrition 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 |
|---|---|
| RO69510A true RO69510A (ro) | 1980-12-30 |
Family
ID=11179741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7477908A RO69510A (ro) | 1973-03-08 | 1974-03-05 | Procedeu de purificare a solutiilor de uree |
Country Status (25)
| Country | Link |
|---|---|
| JP (2) | JPS49124029A (de) |
| AR (1) | AR200429A1 (de) |
| AT (1) | AT342067B (de) |
| BE (1) | BE811880A (de) |
| BR (1) | BR7401582D0 (de) |
| CA (1) | CA1022103A (de) |
| CH (1) | CH603565A5 (de) |
| DD (1) | DD112752A5 (de) |
| DK (1) | DK144008C (de) |
| EG (1) | EG11031A (de) |
| ES (1) | ES424334A1 (de) |
| FR (1) | FR2220516B1 (de) |
| GB (1) | GB1402249A (de) |
| IE (1) | IE38973B1 (de) |
| IN (1) | IN139208B (de) |
| IT (1) | IT981191B (de) |
| LU (1) | LU69576A1 (de) |
| MW (1) | MW874A1 (de) |
| NL (1) | NL7403054A (de) |
| PH (1) | PH12740A (de) |
| RO (1) | RO69510A (de) |
| SE (1) | SE386145B (de) |
| TR (1) | TR17998A (de) |
| ZA (1) | ZA741186B (de) |
| ZM (1) | ZM4274A1 (de) |
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 MW MW8/74*UA patent/MW874A1/xx unknown
- 1974-02-28 FR FR7406822A patent/FR2220516B1/fr not_active Expired
- 1974-03-04 AR AR252612A patent/AR200429A1/es active
- 1974-03-04 BR BR1582/74A patent/BR7401582D0/pt unknown
- 1974-03-05 IE IE00465/74A patent/IE38973B1/xx unknown
- 1974-03-05 BE BE141648A patent/BE811880A/xx not_active IP Right Cessation
- 1974-03-05 RO RO7477908A patent/RO69510A/ro unknown
- 1974-03-05 JP JP49024872A patent/JPS49124029A/ja active Pending
- 1974-03-06 CH CH317174A patent/CH603565A5/xx not_active IP Right Cessation
- 1974-03-06 ZM ZM42/74A patent/ZM4274A1/xx unknown
- 1974-03-06 NL NL7403054A patent/NL7403054A/xx not_active Application Discontinuation
- 1974-03-06 SE SE7402993A patent/SE386145B/xx not_active IP Right Cessation
- 1974-03-06 GB GB1015374A patent/GB1402249A/en not_active Expired
- 1974-03-06 DD DD176982A patent/DD112752A5/xx unknown
- 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
- 1974-03-07 LU LU69576A patent/LU69576A1/xx unknown
- 1974-03-07 CA CA194,352A patent/CA1022103A/en not_active Expired
- 1974-03-07 ES ES424334A patent/ES424334A1/es not_active Expired
- 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 |
|---|---|
| SE386145B (sv) | 1976-08-02 |
| JPS56134344U (de) | 1981-10-12 |
| ZM4274A1 (en) | 1974-11-21 |
| ATA189874A (de) | 1977-07-15 |
| NL7403054A (de) | 1974-09-10 |
| FR2220516A1 (de) | 1974-10-04 |
| LU69576A1 (de) | 1974-07-05 |
| PH12740A (en) | 1979-08-09 |
| DD112752A5 (de) | 1975-05-05 |
| ZA741186B (en) | 1975-01-29 |
| GB1402249A (en) | 1975-08-06 |
| AU6594074A (en) | 1975-08-28 |
| DE2411205A1 (de) | 1974-09-26 |
| FR2220516B1 (de) | 1978-01-06 |
| ES424334A1 (es) | 1976-06-01 |
| AR200429A1 (es) | 1974-11-08 |
| CA1022103A (en) | 1977-12-06 |
| DE2411205B2 (de) | 1976-01-15 |
| IE38973L (en) | 1974-09-08 |
| DK144008C (da) | 1982-04-26 |
| IN139208B (de) | 1976-05-22 |
| IE38973B1 (en) | 1978-07-05 |
| AT342067B (de) | 1978-03-10 |
| BE811880A (fr) | 1974-07-01 |
| BR7401582D0 (pt) | 1974-11-05 |
| EG11031A (en) | 1976-11-30 |
| JPS49124029A (de) | 1974-11-27 |
| DK144008B (da) | 1981-11-16 |
| MW874A1 (en) | 1975-05-13 |
| CH603565A5 (de) | 1978-08-31 |
| TR17998A (tr) | 1976-08-20 |
| IT981191B (it) | 1974-10-10 |
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