FR2525208B1 - Procede de traitement d'une poudre d'oxyde metallique et utilisation de la poudre traitee pour la fabrication de pastilles de combustible nucleaire - Google Patents

Procede de traitement d'une poudre d'oxyde metallique et utilisation de la poudre traitee pour la fabrication de pastilles de combustible nucleaire

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Publication number
FR2525208B1
FR2525208B1 FR8206677A FR8206677A FR2525208B1 FR 2525208 B1 FR2525208 B1 FR 2525208B1 FR 8206677 A FR8206677 A FR 8206677A FR 8206677 A FR8206677 A FR 8206677A FR 2525208 B1 FR2525208 B1 FR 2525208B1
Authority
FR
France
Prior art keywords
manufacture
treatment
powder
metal oxide
nuclear fuel
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
FR8206677A
Other languages
English (en)
French (fr)
Other versions
FR2525208A1 (fr
Inventor
Camille Braun
Joel Danroc
Bernard Francois
Jean Michel
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.)
Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
Original Assignee
Commissariat a lEnergie Atomique CEA
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=9273131&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2525208(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR8206677A priority Critical patent/FR2525208B1/fr
Priority to US06/484,419 priority patent/US4617158A/en
Priority to DE8383400743T priority patent/DE3360432D1/de
Priority to EP83400743A priority patent/EP0092475B2/fr
Priority to KR1019830001621A priority patent/KR910006895B1/ko
Priority to BR8301982A priority patent/BR8301982A/pt
Priority to YU00876/83A priority patent/YU87683A/xx
Priority to ES521620A priority patent/ES8702871A1/es
Priority to JP58067921A priority patent/JPS58194741A/ja
Priority to ZA832752A priority patent/ZA832752B/xx
Publication of FR2525208A1 publication Critical patent/FR2525208A1/fr
Publication of FR2525208B1 publication Critical patent/FR2525208B1/fr
Application granted granted Critical
Priority to US07/296,714 priority patent/USRE33243E/en
Expired legal-status Critical Current

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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62886—Coating the powders or the macroscopic reinforcing agents by wet chemical techniques
    • 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
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62625—Wet mixtures
    • C04B35/6263—Wet mixtures characterised by their solids loadings, i.e. the percentage of solids
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62625—Wet mixtures
    • C04B35/6264—Mixing media, e.g. organic solvents
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/6265—Thermal treatment of powders or mixtures thereof other than sintering involving reduction or oxidation
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802—Powder coating materials
    • C04B35/62805—Oxide ceramics
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802—Powder coating materials
    • C04B35/62805—Oxide ceramics
    • C04B35/62815—Rare earth metal oxides
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/42—Selection of substances for use as reactor fuel
    • G21C3/58—Solid reactor fuel Pellets made of fissile material
    • G21C3/62—Ceramic fuel
    • G21C3/623—Oxide fuels
    • C—CHEMISTRY; METALLURGY
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    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
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  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Glanulating (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
FR8206677A 1982-04-19 1982-04-19 Procede de traitement d'une poudre d'oxyde metallique et utilisation de la poudre traitee pour la fabrication de pastilles de combustible nucleaire Expired FR2525208B1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR8206677A FR2525208B1 (fr) 1982-04-19 1982-04-19 Procede de traitement d'une poudre d'oxyde metallique et utilisation de la poudre traitee pour la fabrication de pastilles de combustible nucleaire
US06/484,419 US4617158A (en) 1982-04-19 1983-04-12 Process for treating a metal oxide powder
DE8383400743T DE3360432D1 (en) 1982-04-19 1983-04-14 Method of treating a metallic oxide powder, and its use in producing nuclear fuel pellets
EP83400743A EP0092475B2 (fr) 1982-04-19 1983-04-14 Procédé de traitement d'une poudre d'oxyde métallique et utilisation de la poudre traitée pour la fabrication de pastilles de combustible nucléaire
YU00876/83A YU87683A (en) 1982-04-19 1983-04-18 Process for the amnufacture of tablets made of uranium dioxide, plutonium dioxide or an oxide mixture containing uranium oxide and/or plutonium oxide
BR8301982A BR8301982A (pt) 1982-04-19 1983-04-18 Processo de tratamento de um po de oxido metalico e de fabricacao de pastilhas de bioxido de uranio
KR1019830001621A KR910006895B1 (ko) 1982-04-19 1983-04-18 금속 옥사이드 분말의 처리 방법
ES521620A ES8702871A1 (es) 1982-04-19 1983-04-19 Procedimiento para el tratamiento de un polvo de oxidos metalicos que presentan varios estados de valencia.
JP58067921A JPS58194741A (ja) 1982-04-19 1983-04-19 金属酸化物粉の処理方法
ZA832752A ZA832752B (en) 1982-04-19 1983-04-19 Process for treating a metal oxide powder
US07/296,714 USRE33243E (en) 1982-04-19 1989-01-13 Process for treating a metal oxide powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8206677A FR2525208B1 (fr) 1982-04-19 1982-04-19 Procede de traitement d'une poudre d'oxyde metallique et utilisation de la poudre traitee pour la fabrication de pastilles de combustible nucleaire

Publications (2)

Publication Number Publication Date
FR2525208A1 FR2525208A1 (fr) 1983-10-21
FR2525208B1 true FR2525208B1 (fr) 1986-01-31

Family

ID=9273131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8206677A Expired FR2525208B1 (fr) 1982-04-19 1982-04-19 Procede de traitement d'une poudre d'oxyde metallique et utilisation de la poudre traitee pour la fabrication de pastilles de combustible nucleaire

Country Status (10)

Country Link
US (2) US4617158A (enExample)
EP (1) EP0092475B2 (enExample)
JP (1) JPS58194741A (enExample)
KR (1) KR910006895B1 (enExample)
BR (1) BR8301982A (enExample)
DE (1) DE3360432D1 (enExample)
ES (1) ES8702871A1 (enExample)
FR (1) FR2525208B1 (enExample)
YU (1) YU87683A (enExample)
ZA (1) ZA832752B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572810A (en) * 1984-09-17 1986-02-25 General Electric Company Method for providing uranium hydroxide on UO2 particles prior to generation of fugitive binder for sintering
GB8724514D0 (en) * 1987-10-20 1987-11-25 British Nuclear Fuels Plc Production of ceramic nuclear fuel pellets
US5066429A (en) * 1988-08-17 1991-11-19 General Electric Company Method for passivating uranium oxides to control oxidation, and the oxidation resisting uranium product thereof
US5069888A (en) * 1989-07-31 1991-12-03 General Electric Company Process for passivating uranium oxides to control oxidation
JP2547453B2 (ja) * 1989-09-28 1996-10-23 動力灯・核燃料開発事業団 放射性金属廃棄物の減容処理方法
US6221286B1 (en) * 1996-08-09 2001-04-24 Framatome Nuclear fuel having improved fission product retention properties
FR2786479B1 (fr) 1998-11-26 2001-10-19 Commissariat Energie Atomique Preparation par atomisation-sechage d'une poudre coulable de bioxyde d'uranium obtenu par conversion en voie seche de l'uf6
FR2807199B1 (fr) * 2000-04-04 2002-08-23 Franco Belge Combustibles Procede de fabrication de granules de materiau combustible nucleaire
FR3017611B1 (fr) * 2014-02-19 2016-03-18 Areva Nc Procede d'activation de l'u3o8 en vue de sa conversion en uo4 hydrate.

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1262141A (fr) * 1959-06-26 1961-05-26 Atomic Energy Authority Uk Combustible en matière céramique pour piles atomiques
US3375306A (en) * 1960-04-29 1968-03-26 Atomic Energy Authority Uk Method of producing dense,sintered bodies of uo2 or uo2-puo2 mixtures
US3224944A (en) * 1964-05-05 1965-12-21 Richard F Turner Ceramic-matrix-type fuel element with graphite fabric affixed to exterior surface
US3408304A (en) * 1966-11-08 1968-10-29 Babcock & Wilcox Co Method of preparing an actinide peroxide sol
US3531416A (en) * 1967-02-25 1970-09-29 Power Reactor & Nuclear Fuel Process for producing uo2-puo2 oxide compositions
US3420640A (en) * 1967-09-06 1969-01-07 Atomic Energy Commission Process for depleting 17o and 18o in 238puo2
US3761547A (en) * 1970-07-17 1973-09-25 Gen Electric Process for controlling surface area of ceramic powders
US3872022A (en) * 1970-08-10 1975-03-18 Gen Electric Sintering uranium oxide in the reaction products of hydrogen-carbon dioxide mixtures
US4002778A (en) * 1973-08-15 1977-01-11 E. I. Du Pont De Nemours And Company Chemical plating process
US4134941A (en) * 1973-12-14 1979-01-16 Hobeg Hochtemperaturreaktor-Brennelement Gmbh Spherical fuel elements made of graphite for temperature reactors and process for reworking it after the irradiation
US4052330A (en) * 1975-03-20 1977-10-04 Gen Electric Sintering uranium oxide using a preheating step
GB1517888A (en) * 1975-05-01 1978-07-19 Mizusawa Industrial Chem Method of treating raw materials containing components of titanium and/or zirconium
US4061700A (en) * 1975-09-10 1977-12-06 General Electric Company Fugitive binder for nuclear fuel materials
DE2939415C2 (de) * 1979-09-28 1981-11-26 Kraftwerk Union AG, 4330 Mülheim Verfahren zur Herstellung von hochdichten oxidischen Kernbrennstoffkörpern
US4401608A (en) * 1981-10-13 1983-08-30 General Electric Company Method for enlarging grain size of uranium oxide

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EP0092475A1 (fr) 1983-10-26
US4617158A (en) 1986-10-14
KR840004603A (ko) 1984-10-22
USRE33243E (en) 1990-06-26
ES521620A0 (es) 1987-01-16
FR2525208A1 (fr) 1983-10-21
ZA832752B (en) 1984-01-25
YU87683A (en) 1985-12-31
KR910006895B1 (ko) 1991-09-10
ES8702871A1 (es) 1987-01-16
JPH0424289B2 (enExample) 1992-04-24
JPS58194741A (ja) 1983-11-12
DE3360432D1 (en) 1985-08-29
EP0092475B2 (fr) 1990-03-14
EP0092475B1 (fr) 1985-07-24
BR8301982A (pt) 1983-12-20

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