BR8302973A - Processo para deslocamento,da fase liquida para a gasosa,de excesso de nh3 contido em solucao aquosa de ureia - Google Patents

Processo para deslocamento,da fase liquida para a gasosa,de excesso de nh3 contido em solucao aquosa de ureia

Info

Publication number
BR8302973A
BR8302973A BR8302973A BR8302973A BR8302973A BR 8302973 A BR8302973 A BR 8302973A BR 8302973 A BR8302973 A BR 8302973A BR 8302973 A BR8302973 A BR 8302973A BR 8302973 A BR8302973 A BR 8302973A
Authority
BR
Brazil
Prior art keywords
excess
displacement
contained
gas
liquid phase
Prior art date
Application number
BR8302973A
Other languages
English (en)
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=BR8302973(A) "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
Publication of BR8302973A publication Critical patent/BR8302973A/pt

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)
BR8302973A 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 BR8302973A (pt)

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 (1)

Publication Number Publication Date
BR8302973A true BR8302973A (pt) 1984-02-07

Family

ID=11186667

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (9)

Country Link
EP (1) EP0098396B1 (pt)
AR (1) AR230985A1 (pt)
BR (1) BR8302973A (pt)
CA (1) CA1216594A (pt)
DE (1) DE3375136D1 (pt)
ES (1) ES523055A0 (pt)
IN (1) IN159132B (pt)
IT (1) IT1212524B (pt)
PT (1) PT76822B (pt)

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
NO150512C (no) * 1977-05-05 1984-10-31 Montedison Spa Fremgangsmaate ved fremstilling av urea.
GB2089786B (en) * 1980-12-23 1985-02-20 Mitsui Toatsu Chemicals Process for synthesizing urea

Also Published As

Publication number Publication date
PT76822A (en) 1983-07-01
CA1216594A (en) 1987-01-13
EP0098396A3 (en) 1984-10-03
PT76822B (en) 1986-02-27
DE3375136D1 (en) 1988-02-11
AR230985A1 (es) 1984-08-31
IT1212524B (it) 1989-11-30
EP0098396B1 (en) 1988-01-07
IT8221774A0 (it) 1982-06-08
IN159132B (pt) 1987-03-28
ES8407468A1 (es) 1984-10-01
ES523055A0 (es) 1984-10-01
EP0098396A2 (en) 1984-01-18

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 06/06/98

B15K Others concerning applications: alteration of classification

Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA C07C 126/02.

Ipc: C07C 273/04 (2006.01)

Ipc: C07C 273/04 (2006.01)