MW874A1 - Process for the purification of the solutions leaving a urea synthesis ractor from nh3 and carbamate - Google Patents
Process for the purification of the solutions leaving a urea synthesis ractor from nh3 and carbamateInfo
- Publication number
- MW874A1 MW874A1 MW8/74*UA MW874A MW874A1 MW 874 A1 MW874 A1 MW 874A1 MW 874 A MW874 A MW 874A MW 874 A1 MW874 A1 MW 874A1
- Authority
- MW
- MALAWI
- Prior art keywords
- ractor
- carbamate
- purification
- urea synthesis
- solutions leaving
- 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 |
|---|---|
| MW874A1 true MW874A1 (en) | 1975-05-13 |
Family
ID=11179741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MW8/74*UA MW874A1 (en) | 1973-03-08 | 1974-02-28 | Process for the purification of the solutions leaving a urea synthesis ractor from nh3 and carbamate |
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 TR TR17998A patent/TR17998A/en unknown
- 1974-02-26 EG EG61/74A patent/EG11031A/en active
- 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 BE BE141648A patent/BE811880A/en not_active IP Right Cessation
- 1974-03-05 JP JP49024872A patent/JPS49124029A/ja active Pending
- 1974-03-05 RO RO7477908A patent/RO69510A/en unknown
- 1974-03-05 IE IE00465/74A patent/IE38973B1/en unknown
- 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/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 SE SE7402993A patent/SE386145B/en not_active IP Right Cessation
- 1974-03-07 DK DK125174A patent/DK144008C/en not_active IP Right Cessation
- 1974-03-07 CA CA194,352A patent/CA1022103A/en not_active Expired
- 1974-03-07 LU LU69576A patent/LU69576A1/xx unknown
- 1974-03-07 AT AT189874A patent/AT342067B/en not_active IP Right Cessation
- 1974-03-07 ES ES424334A patent/ES424334A1/en not_active Expired
- 1974-03-08 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 |
|---|---|
| ATA189874A (en) | 1977-07-15 |
| TR17998A (en) | 1976-08-20 |
| BE811880A (en) | 1974-07-01 |
| CH603565A5 (en) | 1978-08-31 |
| IE38973B1 (en) | 1978-07-05 |
| IE38973L (en) | 1974-09-08 |
| PH12740A (en) | 1979-08-09 |
| IN139208B (en) | 1976-05-22 |
| GB1402249A (en) | 1975-08-06 |
| DE2411205B2 (en) | 1976-01-15 |
| IT981191B (en) | 1974-10-10 |
| DK144008B (en) | 1981-11-16 |
| ZM4274A1 (en) | 1974-11-21 |
| ES424334A1 (en) | 1976-06-01 |
| FR2220516B1 (en) | 1978-01-06 |
| JPS56134344U (en) | 1981-10-12 |
| RO69510A (en) | 1980-12-30 |
| EG11031A (en) | 1976-11-30 |
| FR2220516A1 (en) | 1974-10-04 |
| NL7403054A (en) | 1974-09-10 |
| DE2411205A1 (en) | 1974-09-26 |
| AR200429A1 (en) | 1974-11-08 |
| LU69576A1 (en) | 1974-07-05 |
| BR7401582D0 (en) | 1974-11-05 |
| SE386145B (en) | 1976-08-02 |
| DK144008C (en) | 1982-04-26 |
| ZA741186B (en) | 1975-01-29 |
| DD112752A5 (en) | 1975-05-05 |
| AT342067B (en) | 1978-03-10 |
| CA1022103A (en) | 1977-12-06 |
| AU6594074A (en) | 1975-08-28 |
| JPS49124029A (en) | 1974-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ZA776369B (en) | Catalyst and process for the production of ammonia | |
| PT67972B (en) | Improved process for the synthesis of urea | |
| PH13614A (en) | Process for producing ammonia and urea | |
| BE780772A (en) | AMMONIA SYNTHESIS CATALYST | |
| GB1404115A (en) | Synthesis of urea | |
| EG11438A (en) | Process for preparing urea from ammonia and carbon dioxid | |
| CA1004030A (en) | Catalytic treatment of sulfur plant feed gas for elimination of hcn and nh3 | |
| MW874A1 (en) | Process for the purification of the solutions leaving a urea synthesis ractor from nh3 and carbamate | |
| BE836387A (en) | PROCESS FOR SYNTHESIS OF SUBSTITUTED UREA FROM THE CORRESPONDING CARBAMATES | |
| JPS5384918A (en) | Process for preparing urea solution from nh3 and co2 | |
| YU292276A (en) | Process for the synthesis of n-methyl urea | |
| GB2033776B (en) | Catalyst for the production of ammonia | |
| CA975797A (en) | Process for the production of urea from a solution containing ammonium carbamate, ammonia and water, with a total recycle of ammonia and carbon dioxide which were not transformed | |
| CA994523A (en) | Process for the catalytic synthesis of ammonia | |
| YU36932B (en) | Process for obtaining 4-oxo-2-imidazolidinylidene urea | |
| JPS54119386A (en) | Manufacture of ammonia synthesis catalyst | |
| AU470498B2 (en) | Process forthe catalytic synthesis of ammonia | |
| IL54196A0 (en) | Catalytic process for the production of urea and ammonium cyanate | |
| BR7402824D0 (en) | UREA SYNTHESIS PROCESS | |
| CA839759A (en) | Process for the synthesis of urea from ammonia and carbon dioxide | |
| IT1015048B (en) | PROCESS FOR THE SYNTHESIS OF UREA | |
| AU479878B2 (en) | Method of recovering unreactted ammonium carbamate in urea synthesis | |
| AU485798B2 (en) | Process for dehydrating effluent gases discharged froman ammonia synthesis reactor | |
| ZM6170A1 (en) | Process for the production of prilled urea having a low biuret content | |
| AU480722B2 (en) | Process for preparing urea from ammonia and carbon dioxide |