IT1212524B - Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea. - Google Patents
Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea.Info
- Publication number
- IT1212524B IT1212524B IT8221774A IT2177482A IT1212524B IT 1212524 B IT1212524 B IT 1212524B IT 8221774 A IT8221774 A IT 8221774A IT 2177482 A IT2177482 A IT 2177482A IT 1212524 B IT1212524 B IT 1212524B
- Authority
- IT
- Italy
- Prior art keywords
- urea
- transfer
- aqueous solutions
- excess ammonia
- ammonia contained
- 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
- C07C273/04—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)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8221774A IT1212524B (it) | 1982-06-08 | 1982-06-08 | Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea. |
CA000429768A CA1216594A (en) | 1982-06-08 | 1983-06-06 | Process for the displacement, from the liquid to the gaseous phase, of the excess of nh.sub.3 contained in aqueous solutions of urea |
BR8302973A BR8302973A (pt) | 1982-06-08 | 1983-06-06 | Processo para deslocamento,da fase liquida para a gasosa,de excesso de nh3 contido em solucao aquosa de ureia |
AR293247A AR230985A1 (es) | 1982-06-08 | 1983-06-06 | Procedimiento para el desplazamiento de la fase liquida a la fase gaseosa del exceso de nh3 contenido en soluciones acuosas de area |
PT76822A PT76822B (en) | 1982-06-08 | 1983-06-06 | Process for the displacement from the liquid to the gaseous phase of the excess of nh3 contained in aqueous solutions of urea |
DE8383105592T DE3375136D1 (en) | 1982-06-08 | 1983-06-07 | Process for the displacement from the liquid to the gaseous phase of the excess of nh3 contained in aqueous solutions of urea |
ES523055A ES8407468A1 (es) | 1982-06-08 | 1983-06-07 | "un procedimiento para el desplazamiento de la fase liquida a la fase gaseosa del exceso de amoniaco contenido en soluciones acuosas de urea" |
EP83105592A EP0098396B1 (en) | 1982-06-08 | 1983-06-07 | Process for the displacement from the liquid to the gaseous phase of the excess of nh3 contained in aqueous solutions of urea |
IN726/CAL/83A IN159132B (it) | 1982-06-08 | 1983-06-08 | |
US06/686,383 US4613697A (en) | 1982-06-08 | 1984-12-26 | Process for the displacement to the gaseous phase of the excess of NH3 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8221774A IT1212524B (it) | 1982-06-08 | 1982-06-08 | Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8221774A0 IT8221774A0 (it) | 1982-06-08 |
IT1212524B true IT1212524B (it) | 1989-11-30 |
Family
ID=11186667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8221774A IT1212524B (it) | 1982-06-08 | 1982-06-08 | Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0098396B1 (it) |
AR (1) | AR230985A1 (it) |
BR (1) | BR8302973A (it) |
CA (1) | CA1216594A (it) |
DE (1) | DE3375136D1 (it) |
ES (1) | ES8407468A1 (it) |
IN (1) | IN159132B (it) |
IT (1) | IT1212524B (it) |
PT (1) | PT76822B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1163783B (it) * | 1983-07-14 | 1987-04-08 | Montedison Spa | Processo per la produzione di urea con bassi consumi di vapore |
EP0180704B1 (fr) * | 1984-05-19 | 1988-10-12 | Ammonia Casale S.A. | Procédé perfectionné pour la production de l'urée |
IT1245396B (it) * | 1991-03-22 | 1994-09-20 | Snam Progetti | Procedimento per la produzione di urea ad elevata efficienza energetica |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4013718A (en) * | 1970-09-03 | 1977-03-22 | Snam Progetti S.P.A. | Integrated process for the production of urea |
NL174548C (nl) | 1977-05-05 | 1988-05-16 | Montedison Spa | Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde. |
GB2089786B (en) * | 1980-12-23 | 1985-02-20 | Mitsui Toatsu Chemicals | Process for synthesizing urea |
-
1982
- 1982-06-08 IT IT8221774A patent/IT1212524B/it active
-
1983
- 1983-06-06 PT PT76822A patent/PT76822B/pt not_active IP Right Cessation
- 1983-06-06 AR AR293247A patent/AR230985A1/es active
- 1983-06-06 CA CA000429768A patent/CA1216594A/en not_active Expired
- 1983-06-06 BR BR8302973A patent/BR8302973A/pt not_active IP Right Cessation
- 1983-06-07 DE DE8383105592T patent/DE3375136D1/de not_active Expired
- 1983-06-07 EP EP83105592A patent/EP0098396B1/en not_active Expired
- 1983-06-07 ES ES523055A patent/ES8407468A1/es not_active Expired
- 1983-06-08 IN IN726/CAL/83A patent/IN159132B/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0098396A2 (en) | 1984-01-18 |
ES523055A0 (es) | 1984-10-01 |
CA1216594A (en) | 1987-01-13 |
IT8221774A0 (it) | 1982-06-08 |
PT76822B (en) | 1986-02-27 |
PT76822A (en) | 1983-07-01 |
EP0098396A3 (en) | 1984-10-03 |
AR230985A1 (es) | 1984-08-31 |
EP0098396B1 (en) | 1988-01-07 |
ES8407468A1 (es) | 1984-10-01 |
DE3375136D1 (en) | 1988-02-11 |
BR8302973A (pt) | 1984-02-07 |
IN159132B (it) | 1987-03-28 |
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