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
Application number
IT8221774A
Other languages
English (en)
Other versions
IT8221774A0 (it
Inventor
Giorgio Pagani
Original Assignee
Montedison Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11186667&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1212524(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Montedison Spa filed Critical Montedison Spa
Priority to IT8221774A priority Critical patent/IT1212524B/it
Publication of IT8221774A0 publication Critical patent/IT8221774A0/it
Priority to PT76822A priority patent/PT76822B/pt
Priority to AR293247A priority patent/AR230985A1/es
Priority to BR8302973A priority patent/BR8302973A/pt
Priority to CA000429768A priority patent/CA1216594A/en
Priority to DE8383105592T priority patent/DE3375136D1/de
Priority to ES523055A priority patent/ES8407468A1/es
Priority to EP83105592A priority patent/EP0098396B1/en
Priority to IN726/CAL/83A priority patent/IN159132B/en
Priority to US06/686,383 priority patent/US4613697A/en
Publication of IT1212524B publication Critical patent/IT1212524B/it
Application granted granted Critical

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)
IT8221774A 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. IT1212524B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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