ES2117429T3 - Produccion de oxidos de uranio. - Google Patents

Produccion de oxidos de uranio.

Info

Publication number
ES2117429T3
ES2117429T3 ES95924398T ES95924398T ES2117429T3 ES 2117429 T3 ES2117429 T3 ES 2117429T3 ES 95924398 T ES95924398 T ES 95924398T ES 95924398 T ES95924398 T ES 95924398T ES 2117429 T3 ES2117429 T3 ES 2117429T3
Authority
ES
Spain
Prior art keywords
sub
uranium
region
oxide
steam
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 - Lifetime
Application number
ES95924398T
Other languages
English (en)
Inventor
Robert Carter
Jon Terry Semeraz
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.)
Sellafield Ltd
Original Assignee
British Nuclear Fuels PLC
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=10756111&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2117429(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by British Nuclear Fuels PLC filed Critical British Nuclear Fuels PLC
Application granted granted Critical
Publication of ES2117429T3 publication Critical patent/ES2117429T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • 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
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

SE PRESENTA UN PROCESO PARA LA PRODUCCION DE OXIDO DE URANIO EN EL CUAL UF{SUB,6} SE CONVIERTE POR REACCION CON VAPOR EN UO{SUB,2}F{SUB,2} EN UN PRIMER PASO Y MEDIANTE UNA REACCION ADICIONAL DEL UO{SUB,2}F{SUB,2} CON VAPOR Y/U OXIGENO EN UN SEGUNDO PASO PARA PRODUCIR UN OXIDO DE URANIO, EL PROCESO SE LLEVA A CABO EN UN APARATO QUE COMPRENDE UN VASO DE HORNO SIMPLE QUE TIENE UNA PRIMERA REGION, QUE TIENE ENTRADAS PARA EL UF{SUB,6} Y EL VAPOR, EN DONDE EL PRIMER PASO PUEDE LLEVARSE A CABO, Y UNA SEGUNDA REGION EN DONDE PUEDE LLEVARSE A CABO EL SEGUNDO PASO, EL PROCESO INCLUYE LOS PASOS ADICIONALES DE ANALIZAR EL OXIDO DE URANIO PRODUCIDO PARA DETERMINAR LA CANTIDAD DE FLUORURO PRESENTE Y LA RELACION DEL OXIGENO CON RESPECTO AL URANIO (O/U) EN EL MISMO, Y, CUANDO EL NIVEL DE FLUORURO PRESENTE ES ALTAMENTE INACEPTABLE, SE RECICLA EL OXIDO DE URANIO HACIA LA SEGUNDA REGION PARA PRODUCIR UN OXIDO DE URANIO QUE TENGA UN CONTENIDO DE FLUORURO Y UNA RELACION DE OXIGENO CON RESPECTO AL URANIO INFERIORES Y CUANDO EL OXIDO DE URANIO TIENE UN CONTENIDO DE FLUORURO INACEPTABLEMENTE ALTO ES SUMINISTRADO HACIA LA PRIMERA REGION DEL VASO, EN LA AUSENCIA DE CUALQUIER SUMINISTRO DE UF{SUB,6} O DE VAPOR AL MISMO, Y SE TRANSPORTA MEDIANTE MEDIOS DE TRANSPORTE DIRECTAMENTE HACIA LA SEGUNDA REGION DEL VASO.
ES95924398T 1994-06-03 1995-06-02 Produccion de oxidos de uranio. Expired - Lifetime ES2117429T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9411096A GB9411096D0 (en) 1994-06-03 1994-06-03 Uranium oxide production

Publications (1)

Publication Number Publication Date
ES2117429T3 true ES2117429T3 (es) 1998-08-01

Family

ID=10756111

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95924398T Expired - Lifetime ES2117429T3 (es) 1994-06-03 1995-06-02 Produccion de oxidos de uranio.

Country Status (9)

Country Link
US (1) US5723100A (es)
EP (1) EP0712380B1 (es)
JP (1) JPH09504113A (es)
KR (1) KR960703806A (es)
DE (1) DE69502001T2 (es)
ES (1) ES2117429T3 (es)
GB (1) GB9411096D0 (es)
WO (1) WO1995033689A1 (es)
ZA (1) ZA954605B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6096109A (en) * 1996-01-18 2000-08-01 Molten Metal Technology, Inc. Chemical component recovery from ligated-metals
FR2771725B1 (fr) * 1997-11-28 2000-02-04 Franco Belge Combustibles Procede et dispositif de conversion directe d'hexafluorure d'uranium en oxyde d'uranium
FR2778908B1 (fr) * 1998-05-19 2000-06-30 Cogema Systeme de filtration pour reacteur de conversion d'uf6 en oxyde d'uranium
FR2788760B1 (fr) * 1999-01-27 2001-03-23 Cogema Systeme de transfert de chaleur pour reacteur de conversion d'uf6 en oxyde d'uranium
FR2805044B1 (fr) * 2000-02-11 2002-05-17 Franco Belge Combustibles Procede et dispositif de determination de l'evolution d'une reaction chimique dans un four et de reglage de la reaction
FR2818159B1 (fr) * 2000-12-15 2003-10-03 Franco Belge Combustibles Procede et dispositif de decolmatage d'un filtre d'une installation de production d'oxyde d'uranium a partir d'hexafluorure d'uranium
US7824640B1 (en) * 2006-07-25 2010-11-02 Westinghouse Electric Co. Llc Two step dry UO2 production process utilizing a positive sealing valve means between steps
WO2020074794A1 (fr) * 2018-10-09 2020-04-16 Framatome Installation et procédé de conversion d'hexafluorure d'uranium en dioxyde d'uranium
WO2020074793A1 (fr) * 2018-10-09 2020-04-16 Framatome Installation de production de poudre de combustible nucleaire
KR102117493B1 (ko) * 2019-05-03 2020-06-01 한전원자력연료 주식회사 Uo2 분말내 수분함량 측정 시스템

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB979351A (en) * 1961-01-23 1965-01-01 Atomic Energy Authority Uk Improvements in or relating to the manufacture of uranium dioxide
US3765844A (en) * 1968-10-04 1973-10-16 United Nuclear Corp Production of uranium dioxide
CA926583A (en) * 1969-07-18 1973-05-22 Westinghouse Electric Corporation Production of uranium dioxide
US3978194A (en) * 1971-06-21 1976-08-31 Westinghouse Electric Corporation Production of sized particles of uranium oxides and uranium oxyfluorides
US3906081A (en) * 1973-05-31 1975-09-16 Exxon Nuclear Co Inc Fluidized reactor reduction of UF{HD 6 {B to UO{HD 2
DD122508A1 (es) * 1973-06-18 1976-10-12
FR2310315A1 (fr) * 1975-05-09 1976-12-03 Commissariat Energie Atomique Procede et dispositif de fabrication d'oxyde d'uranium uo2 par voie seche
US4053559A (en) * 1976-06-14 1977-10-11 Westinghouse Electric Corporation Production of uranium dioxide
JPS5692124A (en) * 1979-12-10 1981-07-25 British Nuclear Fuels Ltd Conversion to oxide of uranium from uranium hexafluoride
FR2557557B1 (fr) * 1983-12-28 1986-05-30 Fragema Framatome & Cogema Procede et installation de production de dioxyde d'uranium frittable
EP0150737B1 (en) * 1984-01-26 1989-10-04 Westinghouse Electric Corporation Process for treating nuclear fuel scrap
US4830841A (en) * 1984-12-24 1989-05-16 Advanced Nuclear Fuels Corporation Conversion of uranium hexafluoride to uranium dioxide
JPH0653572B2 (ja) * 1986-05-27 1994-07-20 三菱マテリアル株式会社 六フツ化ウランから二酸化ウランを製造する方法
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

Also Published As

Publication number Publication date
DE69502001T2 (de) 1998-07-23
EP0712380B1 (en) 1998-04-08
ZA954605B (en) 1996-01-26
EP0712380A1 (en) 1996-05-22
GB9411096D0 (en) 1994-07-27
JPH09504113A (ja) 1997-04-22
DE69502001D1 (de) 1998-05-14
WO1995033689A1 (en) 1995-12-14
KR960703806A (ko) 1996-08-31
US5723100A (en) 1998-03-03

Similar Documents

Publication Publication Date Title
DE3371582D1 (en) Method of making silicon oxide layers
ES2117429T3 (es) Produccion de oxidos de uranio.
FI890165A (fi) Foerfarande foer minskning av maengden av kvaevets oxider och minimering av bildningen av andra foerorenheter.
BR7706937A (pt) Processo para reduzir a concentracao de vapor de agua em uma mistura do mesmo com um segundo gas para menos do que a concentracao limite maxima do mesmo segundo gas,e aparelho para o mesmo
MX170040B (es) Sistema de suministro de gas a alta presion
ES2081392T3 (es) Fusion termica eficaz y transformacion de carburante para producir vidrio.
ES2120569T3 (es) Aleaciones de alta temperatura.
Shang-Yi Broadening, asymmetry and shift of rubidium resonance lines under different pressures of helium and argon up to 100 atmospheres
DK250489A (da) Fremgangsmaade til reduktion af nitrogenoxider samt minimering af dannelsen af andre forurenende bestanddele
GB1523664A (en) Method and apparatus for suppressing the visible radiation emitted by a source of infra-red radiation
JPS5368498A (en) Laser machining gun
Miller Optical emission and laser-induced fluorescence diagnostics in reactive plasmas
JPS57207204A (en) Optical fiber
FR2404898A2 (fr) Gaine composite pour element de combustible nucleaire
ES2170067T3 (es) Procedimiento y uso de un aparato para recuperar azufre de una corriente de gas que contiene sulfuro de hidrogeno.
JPS5571969A (en) Plastic scintillation radiation detector
GB1034122A (en) Improvements in or relating to electrical devices having envelopes formed at least in part of sintered polycrystalline alumina
Kaufmann Die Strahlungsverluste eines Z-Pinches hoher Dichte
JPS51147330A (en) Production method of optical fibre
JPS5299662A (en) Operating method for thermal cracking system
JPS5221275A (en) Removing method of hydrogen sulfide from gas at high temperature
Huang Tentative model of beta Lyrae on the assumption of a less massive primary.
JPS5256562A (en) Liquid level detector
JPS5438493A (en) Remote operation recognizing and indicating
Mizeraczyk Plasma parameters in the positive column He-Cd/plus/lasers

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 712380

Country of ref document: ES