ES424334A1 - Procedimiento para la purificacion de nh3 y carbonato de las soluciones de urea que salen de un reactor de sintesis de urea. - Google Patents
Procedimiento para la purificacion de nh3 y carbonato de las soluciones de urea que salen de un reactor de sintesis de urea.Info
- Publication number
- ES424334A1 ES424334A1 ES424334A ES424334A ES424334A1 ES 424334 A1 ES424334 A1 ES 424334A1 ES 424334 A ES424334 A ES 424334A ES 424334 A ES424334 A ES 424334A ES 424334 A1 ES424334 A1 ES 424334A1
- Authority
- ES
- Spain
- Prior art keywords
- urea
- aqueous solutions
- purifying aqueous
- ofr
- process ofr
- 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 abstract 3
- 239000004202 carbamide Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000007864 aqueous solution Substances 0.000 title 1
- 239000007791 liquid phase Substances 0.000 abstract 2
- 239000012071 phase Substances 0.000 abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 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 |
|---|---|
| ES424334A1 true ES424334A1 (es) | 1976-06-01 |
Family
ID=11179741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES424334A Expired ES424334A1 (es) | 1973-03-08 | 1974-03-07 | Procedimiento para la purificacion de nh3 y carbonato de las soluciones de urea que salen de un reactor de sintesis de urea. |
Country Status (25)
| Country | Link |
|---|---|
| JP (2) | JPS49124029A (ro) |
| AR (1) | AR200429A1 (ro) |
| AT (1) | AT342067B (ro) |
| BE (1) | BE811880A (ro) |
| BR (1) | BR7401582D0 (ro) |
| CA (1) | CA1022103A (ro) |
| CH (1) | CH603565A5 (ro) |
| DD (1) | DD112752A5 (ro) |
| DK (1) | DK144008C (ro) |
| EG (1) | EG11031A (ro) |
| ES (1) | ES424334A1 (ro) |
| FR (1) | FR2220516B1 (ro) |
| GB (1) | GB1402249A (ro) |
| IE (1) | IE38973B1 (ro) |
| IN (1) | IN139208B (ro) |
| IT (1) | IT981191B (ro) |
| LU (1) | LU69576A1 (ro) |
| MW (1) | MW874A1 (ro) |
| NL (1) | NL7403054A (ro) |
| PH (1) | PH12740A (ro) |
| RO (1) | RO69510A (ro) |
| SE (1) | SE386145B (ro) |
| TR (1) | TR17998A (ro) |
| ZA (1) | ZA741186B (ro) |
| ZM (1) | ZM4274A1 (ro) |
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 MW MW8/74*UA patent/MW874A1/xx unknown
- 1974-02-28 FR FR7406822A patent/FR2220516B1/fr not_active Expired
- 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 RO RO7477908A patent/RO69510A/ro unknown
- 1974-03-05 IE IE00465/74A patent/IE38973B1/xx unknown
- 1974-03-05 BE BE141648A patent/BE811880A/xx not_active IP Right Cessation
- 1974-03-06 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 ZM ZM42/74A patent/ZM4274A1/xx unknown
- 1974-03-06 GB GB1015374A patent/GB1402249A/en not_active Expired
- 1974-03-06 DD DD176982A patent/DD112752A5/xx unknown
- 1974-03-06 SE SE7402993A patent/SE386145B/xx not_active IP Right Cessation
- 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 CA CA194,352A patent/CA1022103A/en not_active Expired
- 1974-03-07 DK DK125174A patent/DK144008C/da not_active IP Right Cessation
- 1974-03-07 LU LU69576A patent/LU69576A1/xx unknown
- 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 |
|---|---|
| NL7403054A (ro) | 1974-09-10 |
| FR2220516A1 (ro) | 1974-10-04 |
| DK144008C (da) | 1982-04-26 |
| CA1022103A (en) | 1977-12-06 |
| LU69576A1 (ro) | 1974-07-05 |
| BR7401582D0 (pt) | 1974-11-05 |
| GB1402249A (en) | 1975-08-06 |
| ZM4274A1 (en) | 1974-11-21 |
| JPS49124029A (ro) | 1974-11-27 |
| PH12740A (en) | 1979-08-09 |
| AU6594074A (en) | 1975-08-28 |
| DE2411205A1 (de) | 1974-09-26 |
| ZA741186B (en) | 1975-01-29 |
| TR17998A (tr) | 1976-08-20 |
| RO69510A (ro) | 1980-12-30 |
| JPS56134344U (ro) | 1981-10-12 |
| IE38973B1 (en) | 1978-07-05 |
| DE2411205B2 (de) | 1976-01-15 |
| MW874A1 (en) | 1975-05-13 |
| AT342067B (de) | 1978-03-10 |
| CH603565A5 (ro) | 1978-08-31 |
| AR200429A1 (es) | 1974-11-08 |
| BE811880A (fr) | 1974-07-01 |
| DD112752A5 (ro) | 1975-05-05 |
| FR2220516B1 (ro) | 1978-01-06 |
| IE38973L (en) | 1974-09-08 |
| IN139208B (ro) | 1976-05-22 |
| IT981191B (it) | 1974-10-10 |
| EG11031A (en) | 1976-11-30 |
| SE386145B (sv) | 1976-08-02 |
| ATA189874A (de) | 1977-07-15 |
| DK144008B (da) | 1981-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5211199A (en) | Radial flow type reactor for ammonia synthesis | |
| BE835488A (fr) | Procede de reduction de la teneur en trioxyde de molybdene de gaz provenant de reacteurs renfermant des catalyseurs a base de molybdene | |
| BE814275A (fr) | Procede de regeneration d'un catalyseur contenant du palladium | |
| GB1512305A (en) | Process for regenerating spent oxidation catalysts containing vanadium oxide | |
| JPS52103390A (en) | Removal of acidic substances from reaction product | |
| ZA743902B (en) | Catalytic reactor for the catalytic reaction of so2 to so3 | |
| ES429187A1 (es) | Procedimiento para la separacion de un compuesto de una corriente de gas. | |
| ZA739716B (en) | Process for the removal of ammonia,hydrogen sulphide and hydrocyanic acid from gases containing these substances | |
| ES386504A1 (es) | Procedimiento para preparar 3-penten-nitrilo. | |
| BE809116A (fr) | Procede d'elimination de so2, d'un gaz, notamment d'un gaz de fumee. | |
| GB1479900A (en) | Process for the separation and recovery of ammonia and acid gases | |
| ES424334A1 (es) | Procedimiento para la purificacion de nh3 y carbonato de las soluciones de urea que salen de un reactor de sintesis de urea. | |
| JPS5273837A (en) | Production of aromatic nitriles | |
| ES461061A1 (es) | Un procedimiento para sintetizar urea. | |
| ZA74682B (en) | Process for the performance of high pressure synthesis,catalyst bed for such processes,and method for preparing same | |
| ES408273A1 (es) | Procedimiento para la preparacion de 4-cloro-2,5-dimetoxi-anilina. | |
| GB1467990A (en) | Continuous manufacture of n-alkylated arylamines | |
| ES425412A1 (es) | Procedimiento para la obtencion de epsilon-aminocaprnamida. | |
| BE825444R (fr) | Procede de synthese chimique de oxa-1-oxo-2-diaza-3,8-phenethyl-8-spiro (4,5) decane | |
| SU474555A1 (ru) | Способ очистки углеводородных газов от меркаптанов | |
| ES423382A1 (es) | Procedimiento para la obtencion de una amida de metal alca-lino. | |
| JPS51120728A (en) | Processing denice for diazo type duplicator exhaust gas | |
| SU498296A1 (ru) | Способ получени производных 4-оксипиперидина | |
| JPS51135873A (en) | Process for purification of dust-laden exhaust gas | |
| ES313485A3 (es) | Procedimiento continuo para la preparaciën de adiponitrilo |