ES8407468A1 - "un procedimiento para el desplazamiento de la fase liquida a la fase gaseosa del exceso de amoniaco contenido en soluciones acuosas de urea" - Google Patents

"un procedimiento para el desplazamiento de la fase liquida a la fase gaseosa del exceso de amoniaco contenido en soluciones acuosas de urea"

Info

Publication number
ES8407468A1
ES8407468A1 ES523055A ES523055A ES8407468A1 ES 8407468 A1 ES8407468 A1 ES 8407468A1 ES 523055 A ES523055 A ES 523055A ES 523055 A ES523055 A ES 523055A ES 8407468 A1 ES8407468 A1 ES 8407468A1
Authority
ES
Spain
Prior art keywords
urea
stripper
displacement
residence time
solution
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
Application number
ES523055A
Other languages
English (en)
Other versions
ES523055A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montedison SpA
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=ES8407468(A1) "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 ES523055A0 publication Critical patent/ES523055A0/es
Publication of ES8407468A1 publication Critical patent/ES8407468A1/es
Expired legal-status Critical Current

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)

Abstract

PROCEDIMIENTO PARA EL DESPLAZAMIENTO DE LA FASE LIQUIDA A LA FASE GASEOSA, DEL EXCESO DE AMONIACO CONTENIDO EN SOLUCIONES ACUOSAS DE UREA.CARACTERIZADO PORQUE LA RELACION PONDERAL GLOBAL NH3:CO2, EN LA SOLUCION ALIMENTADA AL STRIPPER DE CO2, ES DE 2 A 8; Y PORQUE SE SUMINISTRA SUSTANCIALMENTE CALOR SOLO A LA PORCION DE CABEZA DE LOS TUBOS STRIPPER DE CO2.
ES523055A 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" Expired ES8407468A1 (es)

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
ES523055A0 ES523055A0 (es) 1984-10-01
ES8407468A1 true ES8407468A1 (es) 1984-10-01

Family

ID=11186667

Family Applications (1)

Application Number Title Priority Date Filing Date
ES523055A Expired 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"

Country Status (9)

Country Link
EP (1) EP0098396B1 (es)
AR (1) AR230985A1 (es)
BR (1) BR8302973A (es)
CA (1) CA1216594A (es)
DE (1) DE3375136D1 (es)
ES (1) ES8407468A1 (es)
IN (1) IN159132B (es)
IT (1) IT1212524B (es)
PT (1) PT76822B (es)

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
ATE37868T1 (de) * 1984-05-19 1988-10-15 Ammonia Casale Sa Verfahren zur herstellung von harnstoff.
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
IT8221774A0 (it) 1982-06-08
EP0098396A2 (en) 1984-01-18
EP0098396B1 (en) 1988-01-07
ES523055A0 (es) 1984-10-01
BR8302973A (pt) 1984-02-07
CA1216594A (en) 1987-01-13
PT76822B (en) 1986-02-27
IT1212524B (it) 1989-11-30
PT76822A (en) 1983-07-01
EP0098396A3 (en) 1984-10-03
IN159132B (es) 1987-03-28
DE3375136D1 (en) 1988-02-11
AR230985A1 (es) 1984-08-31

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20020304