ES2124562T3 - Procedimiento de obtencion de trioxido de uranio por desnitracion termica directa del nitrato de uranilo. - Google Patents

Procedimiento de obtencion de trioxido de uranio por desnitracion termica directa del nitrato de uranilo.

Info

Publication number
ES2124562T3
ES2124562T3 ES95923369T ES95923369T ES2124562T3 ES 2124562 T3 ES2124562 T3 ES 2124562T3 ES 95923369 T ES95923369 T ES 95923369T ES 95923369 T ES95923369 T ES 95923369T ES 2124562 T3 ES2124562 T3 ES 2124562T3
Authority
ES
Spain
Prior art keywords
procedure
direct thermal
uranium trioxide
contact
uranil
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
ES95923369T
Other languages
English (en)
Inventor
Gilbert Schaal
Robert Faron
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
Application granted granted Critical
Publication of ES2124562T3 publication Critical patent/ES2124562T3/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
    • 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)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

PROCESO DE OBTENCION DE TRIOXIDO DE URANIO A PARTIR DE UNA SOLUCION DE NITRATO DE URANILO, DEBIENDO EL TRIOXIDO OBTENIDO PRESENTAR UNA SUPERFICIE ESPECIFICA COMPRENDIDA SENSIBLEMENTE ENTRE 12 Y 15 M{SUP,2}/G, QUE CONSISTE EN REALIZAR EN UNA ZONA DE UNA CAMARA DE REACCION LLAMADA ZONA DE CONTACTO, UN CONTACTO TERMOMECANICO ENTRE LA SOLUCION DE NITRATO DE URANILO, PULVERIZADO ENFINAS GOTITAS SEGUN UN EJE DADO, EN LA ZONA DE CONTACTO, Y UN FLUIDO GASEOSO INTRODUCIDO EN LA ZONA DE CONTACTO, ESTANDO EL FLUIDO GASEOSO A UNA TEMPERATURA SUFICIENTEMENTE ELEVADA Y POSEYENDO UNA ENERGIA MECANICA SUFICIENTEMENTE ELEVADA PARA REALIZAR, EN LA ZONA DE CONTACTO, LA DESHIDRATACION Y LA CALCINACION DEL NITRATO DE URANILO.
ES95923369T 1994-06-13 1995-06-12 Procedimiento de obtencion de trioxido de uranio por desnitracion termica directa del nitrato de uranilo. Expired - Lifetime ES2124562T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9407189A FR2721014B1 (fr) 1994-06-13 1994-06-13 Procédé d'obtention de trioxyde d'uranium par dénitration thermique directe de nitrate d'uranyle.

Publications (1)

Publication Number Publication Date
ES2124562T3 true ES2124562T3 (es) 1999-02-01

Family

ID=9464134

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95923369T Expired - Lifetime ES2124562T3 (es) 1994-06-13 1995-06-12 Procedimiento de obtencion de trioxido de uranio por desnitracion termica directa del nitrato de uranilo.

Country Status (10)

Country Link
US (1) US5628048A (es)
EP (1) EP0713479B1 (es)
JP (1) JP3935203B2 (es)
DE (1) DE69504797T2 (es)
ES (1) ES2124562T3 (es)
FR (1) FR2721014B1 (es)
RU (1) RU2106308C1 (es)
TJ (1) TJ239B (es)
WO (1) WO1995034508A1 (es)
ZA (1) ZA954830B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2742254B1 (fr) * 1995-12-12 1998-02-13 Comurhex Procede d'obtention d'un melange d'oxydes metalliques pulverulents, appartenant a la filiere nucleaire, a partir de leurs nitrates
KR100710821B1 (ko) 2006-05-17 2007-04-24 한국원자력연구소 정전액적법을 이용한 구형 우라늄화합물용액 액적 제조장치및 그에 따른 제조방법
RU2404925C2 (ru) * 2008-11-25 2010-11-27 Институт химии твердого тела Уральского отделения Российской Академии наук Способ получения оксидов урана
US9511339B2 (en) 2013-08-30 2016-12-06 Honeywell International Inc. Series coupled fluidized bed reactor units including cyclonic plenum assemblies and related methods of hydrofluorination
RU2554636C1 (ru) * 2013-12-24 2015-06-27 Акционерное общество "Сибирский химический комбинат" Способ получения оксидов урана
FR3037331B1 (fr) 2015-06-12 2019-09-13 Orano Cycle Installation, procede de denitration thermique, utilisation d'une telle installation et produit obtenu par un tel procede
RU2603359C1 (ru) * 2015-11-26 2016-11-27 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" Способ получения оксидов урана
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
CN114642938A (zh) * 2020-12-18 2022-06-21 中核四0四有限公司 一种硝酸铀酰雾化干燥热解脱硝制备uo3的尾气处理方法
CN113339793A (zh) * 2021-05-10 2021-09-03 中国核电工程有限公司 一种火焰脱硝燃烧器装置及火焰脱硝系统
GB2638092A (en) * 2025-03-12 2025-08-13 Rolls Royce Submarines Ltd Nuclear Fuel Kernel Manufacture

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981592A (en) * 1957-05-13 1961-04-25 Lawroski Stephen Method and apparatus for calcining salt solutions
GB928861A (es) * 1960-04-08
JPS5747726A (en) * 1980-09-02 1982-03-18 Mitsui Petrochem Ind Ltd Manufacturing apparatus for uranium trioxide
JPS57183327A (en) * 1981-05-08 1982-11-11 Mitsubishi Metal Corp Denitrating apparatus of uranyl nitrate and/or plutonium 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
FR2555566B1 (fr) * 1983-11-25 1989-02-17 Comurhex Procede de preparation d'oxydes metalliques pulverulents a partir de solutions aqueuses ou de melanges solides de nitrates metalliques
DE3802047A1 (de) * 1988-01-25 1989-08-03 Alkem Gmbh Verfahren zum abtrennen eines radioaktiven metalles aus einer waessrigen loesung

Also Published As

Publication number Publication date
JPH09501906A (ja) 1997-02-25
EP0713479B1 (fr) 1998-09-16
WO1995034508A1 (fr) 1995-12-21
DE69504797D1 (de) 1998-10-22
ZA954830B (en) 1996-01-30
FR2721014B1 (fr) 1996-07-26
US5628048A (en) 1997-05-06
TJ239B (en) 1999-11-24
FR2721014A1 (fr) 1995-12-15
RU2106308C1 (ru) 1998-03-10
DE69504797T2 (de) 1999-04-22
JP3935203B2 (ja) 2007-06-20
EP0713479A1 (fr) 1996-05-29

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