ES358903A1 - Procedimiento para la produccion de urea. - Google Patents
Procedimiento para la produccion de urea.Info
- Publication number
- ES358903A1 ES358903A1 ES358903A ES358903A ES358903A1 ES 358903 A1 ES358903 A1 ES 358903A1 ES 358903 A ES358903 A ES 358903A ES 358903 A ES358903 A ES 358903A ES 358903 A1 ES358903 A1 ES 358903A1
- Authority
- ES
- Spain
- Prior art keywords
- aqueous solution
- carbon dioxide
- ammonia
- products
- reactor
- 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 4
- 239000004202 carbamide Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 8
- 229910021529 ammonia Inorganic materials 0.000 abstract 4
- 239000007864 aqueous solution Substances 0.000 abstract 4
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 4
- 239000001569 carbon dioxide Substances 0.000 abstract 4
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 238000004064 recycling 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
- C07C273/04—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 from carbon dioxide and ammonia
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1240968 | 1968-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES358903A1 true ES358903A1 (es) | 1970-05-16 |
Family
ID=11139817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES358903A Expired ES358903A1 (es) | 1968-02-06 | 1968-09-27 | Procedimiento para la produccion de urea. |
Country Status (14)
Country | Link |
---|---|
AT (1) | AT284138B (en, 2012) |
BE (1) | BE714519A (en, 2012) |
CA (1) | CA923142A (en, 2012) |
CH (1) | CH486428A (en, 2012) |
CS (1) | CS159227B2 (en, 2012) |
DK (1) | DK119604B (en, 2012) |
ES (1) | ES358903A1 (en, 2012) |
FR (1) | FR1560985A (en, 2012) |
GB (1) | GB1188051A (en, 2012) |
IE (1) | IE31898B1 (en, 2012) |
LU (1) | LU55998A1 (en, 2012) |
NL (1) | NL162370C (en, 2012) |
NO (1) | NO129250B (en, 2012) |
YU (1) | YU33003B (en, 2012) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3954861A (en) * | 1968-02-05 | 1976-05-04 | Snamprogetti S.P.A | Process for producing urea |
NL7307036A (en, 2012) * | 1973-05-21 | 1974-11-25 | ||
NL174548C (nl) * | 1977-05-05 | 1988-05-16 | Montedison Spa | Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde. |
NL8101174A (nl) * | 1981-03-11 | 1982-10-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
EP2123633A1 (en) * | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Process for the production of urea from ammonia and carbon dioxide |
EP2286909A1 (en) | 2009-08-17 | 2011-02-23 | Stamicarbon B.V. | An apparatus for the decomposition of non-converted ammonium carbamate in urea solutions in a urea synthesis process |
HRP20191663T1 (hr) | 2014-12-18 | 2019-12-13 | Stamicarbon | Postupak za proizvodnju uree |
-
1968
- 1968-04-18 AT AT380168A patent/AT284138B/de not_active IP Right Cessation
- 1968-04-19 YU YU945/68A patent/YU33003B/xx unknown
- 1968-04-19 DK DK178068AA patent/DK119604B/da not_active IP Right Cessation
- 1968-04-25 CS CS308068A patent/CS159227B2/cs unknown
- 1968-04-29 FR FR1560985D patent/FR1560985A/fr not_active Expired
- 1968-04-29 LU LU55998D patent/LU55998A1/xx unknown
- 1968-04-30 BE BE714519D patent/BE714519A/xx not_active IP Right Cessation
- 1968-04-30 CH CH646968A patent/CH486428A/fr not_active IP Right Cessation
- 1968-05-01 NL NL6806170.A patent/NL162370C/xx not_active IP Right Cessation
- 1968-05-01 GB GB20720/68A patent/GB1188051A/en not_active Expired
- 1968-05-03 NO NO01723/68A patent/NO129250B/no unknown
- 1968-05-07 IE IE533/68A patent/IE31898B1/xx unknown
- 1968-09-27 ES ES358903A patent/ES358903A1/es not_active Expired
-
1969
- 1969-01-09 CA CA039707A patent/CA923142A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL162370B (nl) | 1979-12-17 |
DK119604B (da) | 1971-02-01 |
FR1560985A (en, 2012) | 1969-03-21 |
YU33003B (en) | 1976-03-31 |
CS159227B2 (en, 2012) | 1974-12-27 |
CH486428A (fr) | 1970-02-28 |
NO129250B (en, 2012) | 1974-03-18 |
NL162370C (nl) | 1980-05-16 |
IE31898B1 (en) | 1973-02-07 |
IE31898L (en) | 1969-08-06 |
NL6806170A (en, 2012) | 1969-08-08 |
YU94568A (en) | 1975-08-31 |
DE1768248B2 (de) | 1973-02-01 |
BE714519A (en, 2012) | 1968-09-30 |
AT284138B (de) | 1970-09-10 |
CA923142A (en) | 1973-03-20 |
LU55998A1 (en, 2012) | 1968-07-12 |
DE1768248A1 (de) | 1972-03-30 |
GB1188051A (en) | 1970-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES266395A1 (es) | Un procedimiento para la preparaciën de urea | |
EG14770A (en) | Process for purifying urea-containing waste water and process for preparing melamine | |
ES469448A1 (es) | procedimiento de doble reciclo isobarico perfeccionado, consu dispositivo de realizacion, para la sintesis de urea | |
ES358903A1 (es) | Procedimiento para la produccion de urea. | |
DE69200785D1 (de) | Verfahren zur Herstellung von Harnstoff mit hoher Energieausbeute. | |
GB1047920A (en) | Production of 3-cyano-3,5,5-trimethyl-1-cyclohexanone | |
GB1207923A (en) | Process for urea production in combination with ammonia synthesis | |
ES415803A1 (es) | Un procedimiento para preparar urea. | |
GB1274504A (en) | Improvements in or relating to the synthesis of ammonia | |
GB1341497A (en) | Process for the production of urea | |
ES443998A1 (es) | Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea. | |
ES374565A1 (es) | Procedimiento para la produccion continua de una solucion acuosa de urea. | |
ES8301902A1 (es) | Procedimiento para la produccion de urea | |
GB981641A (en) | Production of urea | |
GB1147734A (en) | Method for the preparation of urea | |
GB1016220A (en) | Production of urea | |
GB1181039A (en) | Process for the Production of Urea | |
GB1031528A (en) | Method for producing urea starting from carbon dioxide and ammonia | |
ES385234A1 (es) | Procedimiento para la produccion de urea. | |
JPS53119826A (en) | Preparation of hydrazodicarbonamides | |
JPS5239626A (en) | Separation and recovery process of unreacted material on urea synthesi s | |
ES394535A1 (es) | Procedimiento para la obtencion de peroxidisulfato potasi- co. | |
GB1131906A (en) | Method of synthesizing urea | |
GB1160030A (en) | Process and Installation for the Manufacture of Urea | |
GB753386A (en) | Improvements in or relating to separation process of ammonia from synthesized urea liquid |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19871021 |