FR2370695A1 - Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium - Google Patents

Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium

Info

Publication number
FR2370695A1
FR2370695A1 FR7634421A FR7634421A FR2370695A1 FR 2370695 A1 FR2370695 A1 FR 2370695A1 FR 7634421 A FR7634421 A FR 7634421A FR 7634421 A FR7634421 A FR 7634421A FR 2370695 A1 FR2370695 A1 FR 2370695A1
Authority
FR
France
Prior art keywords
uranyl nitrate
thermal decomposition
prodn
produced
catalytic reduction
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.)
Granted
Application number
FR7634421A
Other languages
English (en)
French (fr)
Other versions
FR2370695B1 (enExample
Inventor
Roland Bachelard
Rene Romano
Joel Verilhac
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.)
Comurhex pour La Conversion de lUranium en Metal et Hexafluorure SA
Original Assignee
Comurhex pour La Conversion de lUranium en Metal et Hexafluorure SA
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
Application filed by Comurhex pour La Conversion de lUranium en Metal et Hexafluorure SA filed Critical Comurhex pour La Conversion de lUranium en Metal et Hexafluorure SA
Priority to FR7634421A priority Critical patent/FR2370695A1/fr
Publication of FR2370695A1 publication Critical patent/FR2370695A1/fr
Application granted granted Critical
Publication of FR2370695B1 publication Critical patent/FR2370695B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/01—Oxides; Hydroxides
    • C01G43/025—Uranium dioxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/01—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/04—Halides of uranium
    • C01G43/06—Fluorides
    • C01G43/063—Hexafluoride (UF6)
    • C01G43/066—Preparation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
FR7634421A 1976-11-16 1976-11-16 Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium Granted FR2370695A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7634421A FR2370695A1 (fr) 1976-11-16 1976-11-16 Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7634421A FR2370695A1 (fr) 1976-11-16 1976-11-16 Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium

Publications (2)

Publication Number Publication Date
FR2370695A1 true FR2370695A1 (fr) 1978-06-09
FR2370695B1 FR2370695B1 (enExample) 1979-03-02

Family

ID=9179950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7634421A Granted FR2370695A1 (fr) 1976-11-16 1976-11-16 Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium

Country Status (1)

Country Link
FR (1) FR2370695A1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473360A1 (fr) * 1980-01-09 1981-07-17 Commissariat Energie Atomique Dispositif d'atomisation d'un melange reactionnel
FR2526006A1 (fr) * 1982-04-30 1983-11-04 Comurhex Procede d'obtention de uo3 de grande surface specifique a partir de nitrate d'uranyle hydrate
FR2536737A1 (fr) * 1982-11-30 1984-06-01 Comurhex Procede d'obtention de uo3 de grande reactivite par decomposition thermique sous forme solide de nitrate d'uranyle hydrate
EP0143726A1 (fr) * 1983-11-25 1985-06-05 COMURHEX Société pour la Conversion de l'Uranium en Métal et Hexafluorure Procédé de préparation d'oxydes métalliques pulvérulents à partir de solutions aqueuses ou de mélanges solides de nitrates métalliques
CN107162060A (zh) * 2017-05-26 2017-09-15 中核四0四有限公司 一种硝酸铀酰气流式雾化干燥热解脱硝制备uo3工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8203357A (nl) * 1981-09-11 1983-04-05 Babcock & Wilcox Co Werkwijze voor het bereiden van een sinterbaar poeder van uraniumdioxide.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473360A1 (fr) * 1980-01-09 1981-07-17 Commissariat Energie Atomique Dispositif d'atomisation d'un melange reactionnel
EP0032341B1 (fr) * 1980-01-09 1983-11-23 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Dispositif d'atomisation d'un mélange réactionnel
US4585634A (en) * 1982-04-29 1986-04-29 Comurhex Process for the production of uranium trioxide having a large specific surface from hydrated uranyl nitrate
FR2526006A1 (fr) * 1982-04-30 1983-11-04 Comurhex Procede d'obtention de uo3 de grande surface specifique a partir de nitrate d'uranyle hydrate
WO1983003820A1 (fr) * 1982-04-30 1983-11-10 Comurhex Procede d'obtention de uo3 de grande surface specifique a partir de nitrate d'uranyle hydrate
FR2536737A1 (fr) * 1982-11-30 1984-06-01 Comurhex Procede d'obtention de uo3 de grande reactivite par decomposition thermique sous forme solide de nitrate d'uranyle hydrate
WO1984002124A1 (fr) * 1982-11-30 1984-06-07 Comurhex Procede d'obtention de uo3 de grande reactivite par decomposition thermique sous forme solide de nitrate d'uranyle hydrate
EP0143726A1 (fr) * 1983-11-25 1985-06-05 COMURHEX Société pour la Conversion de l'Uranium en Métal et Hexafluorure Procédé de préparation d'oxydes métalliques pulvérulents à partir de solutions aqueuses ou de mélanges solides de nitrates métalliques
CN107162060A (zh) * 2017-05-26 2017-09-15 中核四0四有限公司 一种硝酸铀酰气流式雾化干燥热解脱硝制备uo3工艺

Also Published As

Publication number Publication date
FR2370695B1 (enExample) 1979-03-02

Similar Documents

Publication Publication Date Title
ES378984A1 (es) Procedimiento para la obtencion de protoxido de nitrogeno.
ES478657A1 (es) Procedimiento para la produccion de cristales mixtos (uŸpu) o2
FR2370695A1 (fr) Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium
GB1551587A (en) Process for the reduction of the concentration of nitric oxide in waste gases by ultra-violet iradiation
ES2102933A1 (es) Procedimiento para recuperar material menudo, polvo y pastillas de uo2 y producir pastillas de uo2 con alta densidad de sinterizado.
GB1146292A (en) Process and apparatus for the manufacture of nitric acid
JPS5333975A (en) Lowering method for concentration of nitrogen monoxide in exhaust gas
GB1158287A (en) Method of Fluorination of Nuclear Fuel.
GB1073000A (en) Method for the reprocessing of uranium-containing nuclear fuels
JPS562828A (en) Simultaneous removal of sulfur oxide and nitrogen oxide contained in waste gas
GB1068104A (en) Dissolution of nuclear fuel
ES314611A1 (es) Procedimiento de preparacion de particulas densas de oxidos de metales actinidos.
HK45881A (en) Fluid-wall reactors and their utilization in high temperature chemical reaction processes
BE785836A (en) Recovery of plutonium - from fuel scrap contg mixed oxides of uranium and plutonium
US5417943A (en) Method for producing UO2 or (U/PU)02 powder
GB1148228A (en) Improved urania sol forming method
JPS5213472A (en) Process for removal of nitrogen oxides in exhaust gases
JPS5353572A (en) Treating metod for gas cntaining ammonia
JPS5421956A (en) Method of removing nitrogen oxides contained in exhaust gas
JPS5438297A (en) Production of cobalt oxide
JPS5226394A (en) Regenerating method of nitrogen oxide reductive catalyst
GB1264259A (en) Production of a mixture of an actinide oxide and carbon and the production of actinide carbides and nitrides therefrom
JPS5396965A (en) Oxidizing method for nitrogen monoxide in exhaust gas
JPS5353571A (en) Treating method for gas containing ammonia
JPS526369A (en) Process for decomposing nitrogen oxides

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse