SE386145B - Forfarande for rening av de fran en karbamidsyntesreaktor utgaende losningar fran nh?713 och karbamat medelst destillation. - Google Patents
Forfarande for rening av de fran en karbamidsyntesreaktor utgaende losningar fran nh?713 och karbamat medelst destillation.Info
- Publication number
- SE386145B SE386145B SE7402993A SE7402993A SE386145B SE 386145 B SE386145 B SE 386145B SE 7402993 A SE7402993 A SE 7402993A SE 7402993 A SE7402993 A SE 7402993A SE 386145 B SE386145 B SE 386145B
- Authority
- SE
- Sweden
- Prior art keywords
- urbanium
- carbamate
- distillation
- purification
- procedure
- Prior art date
Links
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 title 1
- 238000004821 distillation Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 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 |
|---|---|
| SE386145B true SE386145B (sv) | 1976-08-02 |
Family
ID=11179741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7402993A SE386145B (sv) | 1973-03-08 | 1974-03-06 | Forfarande for rening av de fran en karbamidsyntesreaktor utgaende losningar fran nh?713 och karbamat medelst destillation. |
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 |
|---|---|
| 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 |
| RO69510A (ro) | 1980-12-30 |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7402993-5 Effective date: 19880126 Format of ref document f/p: F |