BE811880A - Procede pour la purification de solutions quittant les reacteurs de synthese de l'uree - Google Patents
Procede pour la purification de solutions quittant les reacteurs de synthese de l'ureeInfo
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000003786 synthesis reaction 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 |
|---|---|
| BE811880A true BE811880A (fr) | 1974-07-01 |
Family
ID=11179741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE141648A BE811880A (fr) | 1973-03-08 | 1974-03-05 | Procede pour la purification de solutions quittant les reacteurs de synthese de l'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 EG EG61/74A patent/EG11031A/xx active
- 1974-02-26 TR TR17998A patent/TR17998A/xx unknown
- 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 AR AR252612A patent/AR200429A1/es active
- 1974-03-04 BR BR1582/74A patent/BR7401582D0/pt unknown
- 1974-03-05 RO RO7477908A patent/RO69510A/fr unknown
- 1974-03-05 IE IE00465/74A patent/IE38973B1/xx unknown
- 1974-03-05 JP JP49024872A patent/JPS49124029A/ja active Pending
- 1974-03-05 BE BE141648A patent/BE811880A/fr not_active IP Right Cessation
- 1974-03-06 CH CH317174A patent/CH603565A5/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
- 1974-03-06 NL NL7403054A patent/NL7403054A/xx not_active Application Discontinuation
- 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 CA CA194,352A patent/CA1022103A/fr not_active Expired
- 1974-03-07 LU LU69576A patent/LU69576A1/xx unknown
- 1974-03-07 AT AT189874A patent/AT342067B/de not_active IP Right Cessation
- 1974-03-07 ES ES424334A patent/ES424334A1/es not_active Expired
- 1974-03-07 DK DK125174A patent/DK144008C/da not_active IP Right Cessation
- 1974-03-08 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 |
|---|---|
| LU69576A1 (fr) | 1974-07-05 |
| FR2220516B1 (fr) | 1978-01-06 |
| FR2220516A1 (fr) | 1974-10-04 |
| AT342067B (de) | 1978-03-10 |
| TR17998A (tr) | 1976-08-20 |
| DD112752A5 (fr) | 1975-05-05 |
| DK144008C (da) | 1982-04-26 |
| DE2411205B2 (de) | 1976-01-15 |
| EG11031A (en) | 1976-11-30 |
| JPS56134344U (fr) | 1981-10-12 |
| ZM4274A1 (en) | 1974-11-21 |
| JPS49124029A (fr) | 1974-11-27 |
| ZA741186B (en) | 1975-01-29 |
| DE2411205A1 (de) | 1974-09-26 |
| NL7403054A (fr) | 1974-09-10 |
| IE38973L (en) | 1974-09-08 |
| BR7401582D0 (pt) | 1974-11-05 |
| PH12740A (en) | 1979-08-09 |
| IT981191B (it) | 1974-10-10 |
| RO69510A (fr) | 1980-12-30 |
| MW874A1 (en) | 1975-05-13 |
| SE386145B (sv) | 1976-08-02 |
| AR200429A1 (es) | 1974-11-08 |
| CA1022103A (fr) | 1977-12-06 |
| CH603565A5 (fr) | 1978-08-31 |
| DK144008B (da) | 1981-11-16 |
| GB1402249A (en) | 1975-08-06 |
| AU6594074A (en) | 1975-08-28 |
| ES424334A1 (es) | 1976-06-01 |
| ATA189874A (de) | 1977-07-15 |
| IN139208B (fr) | 1976-05-22 |
| 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 |