SE7706843L - Forfarande for omvandling av uranhexafluorid till ett keramiskt urandioxidpulver - Google Patents
Forfarande for omvandling av uranhexafluorid till ett keramiskt urandioxidpulverInfo
- Publication number
- SE7706843L SE7706843L SE7706843A SE7706843A SE7706843L SE 7706843 L SE7706843 L SE 7706843L SE 7706843 A SE7706843 A SE 7706843A SE 7706843 A SE7706843 A SE 7706843A SE 7706843 L SE7706843 L SE 7706843L
- Authority
- SE
- Sweden
- Prior art keywords
- moles
- fluidized bed
- steam
- conveying
- maintained
- Prior art date
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
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- 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
-
- 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
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/695,346 US4053559A (en) | 1976-06-14 | 1976-06-14 | Production of uranium dioxide |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7706843L true SE7706843L (sv) | 1977-12-15 |
SE440769B SE440769B (sv) | 1985-08-19 |
Family
ID=24792622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7706843A SE440769B (sv) | 1976-06-14 | 1977-06-13 | Forfarande for omvandling av uranhexafluorid till ett keramiskt urandioxidpulver |
Country Status (12)
Country | Link |
---|---|
US (1) | US4053559A (sv) |
JP (1) | JPS52152900A (sv) |
AU (1) | AU511230B2 (sv) |
BE (1) | BE855669A (sv) |
CA (1) | CA1089192A (sv) |
DE (1) | DE2722760A1 (sv) |
ES (1) | ES459583A1 (sv) |
FR (1) | FR2355359A1 (sv) |
GB (1) | GB1536239A (sv) |
IT (1) | IT1077213B (sv) |
SE (1) | SE440769B (sv) |
ZA (1) | ZA772679B (sv) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5924738B2 (ja) * | 1980-12-16 | 1984-06-12 | 株式会社東芝 | 核燃料転換装置 |
DE3142447C1 (de) * | 1981-10-26 | 1983-04-14 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zum Herstellen von oxidischen Kernbrennstoffsinterkoerpern |
EP0150737B1 (en) * | 1984-01-26 | 1989-10-04 | Westinghouse Electric Corporation | Process for treating nuclear fuel scrap |
US4666684A (en) * | 1984-02-14 | 1987-05-19 | Westinghouse Electric Corp. | Process for producing uranium dioxide |
US4830841A (en) * | 1984-12-24 | 1989-05-16 | Advanced Nuclear Fuels Corporation | Conversion of uranium hexafluoride to uranium dioxide |
US4687605A (en) * | 1985-02-19 | 1987-08-18 | Westinghouse Electric Corp. | Manufacturing automation system for nuclear fuel rod production |
JPS61144549U (sv) * | 1985-02-27 | 1986-09-06 | ||
JPS61176745U (sv) * | 1985-04-24 | 1986-11-04 | ||
JPS61281019A (ja) * | 1985-06-04 | 1986-12-11 | Mitsubishi Metal Corp | 六フツ化ウランを二酸化ウランに変換する方法 |
JPS61286225A (ja) * | 1985-06-11 | 1986-12-16 | Mitsubishi Metal Corp | 六フツ化ウランを二酸化ウランに変換する方法 |
GB8821192D0 (en) * | 1988-09-09 | 1988-10-12 | British Nuclear Fuels Plc | Uranium dioxide production |
CA2068068A1 (en) * | 1991-08-30 | 1993-03-01 | James H. Mestepey | Recovery of anhydrous hydrogen fluoride from depleted uranium |
FR2687140B1 (fr) * | 1992-02-11 | 1994-05-13 | Pechiney Uranium | Procede de recuperation et d'epuration d'alliage metallique a base d'uranium tres enrichi. |
FR2700533A1 (fr) * | 1994-01-17 | 1994-07-22 | Sequoyah Fuels Corp | Récupération d'acide fluorhydrique anhydre à partir d'hexafluorure d'uranium appauvri. |
GB9411096D0 (en) * | 1994-06-03 | 1994-07-27 | British Nuclear Fuels Plc | Uranium oxide production |
US5717149A (en) * | 1995-06-05 | 1998-02-10 | Molten Metal Technology, Inc. | Method for producing halogenated products from metal halide feeds |
US6352677B1 (en) * | 1996-06-04 | 2002-03-05 | Alliedsignal, Inc. | Process to produce commercial grade anhydrous hydrogen fluoride (AHF) and uranium oxide from the delfuorination of uranium hexafluoride (UF6) |
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 |
JP4085520B2 (ja) * | 1999-06-16 | 2008-05-14 | 三菱マテリアル株式会社 | 劣化uf6の処理設備及びその処理方法 |
US20080025894A1 (en) * | 2006-07-25 | 2008-01-31 | Lahoda Edward J | Two step uo2 production process |
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 |
EP1985587A1 (en) | 2007-04-27 | 2008-10-29 | Westinghouse Electric Company LLC | Two step dry UO2 production process |
CA2742732C (fr) * | 2008-11-07 | 2016-05-03 | Areva Nc | Procede de preparation de concentres d'uranium par precipitation en lit fluidise, et preparation d'uo3 et d'u3o8 par sechage/calcination desdits concentres |
EP2277831B1 (en) | 2009-07-20 | 2012-05-23 | Westinghouse Electric Company LLC | Two step dry UO2 production process utilizing a positive sealing valve means between steps |
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 |
CN105139897B (zh) * | 2015-07-23 | 2017-08-11 | 清华大学 | 一种大规模连续制备包覆颗粒的系统 |
RU2661492C1 (ru) * | 2017-05-12 | 2018-07-17 | Акционерное общество "Ведущий научно-исследовательский институт химической технологии" | Способ изготовления таблетированного ядерного керамического топлива |
US12087458B2 (en) * | 2018-10-09 | 2024-09-10 | Framatome | Method and facility for converting uranium hexafluoride into uranium dioxide |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL250888A (sv) * | 1959-04-28 | |||
US3174834A (en) * | 1959-08-24 | 1965-03-23 | Richard M Edwards | Fluidized bed reactor |
US3168369A (en) * | 1961-12-18 | 1965-02-02 | Grace W R & Co | Uranium processing |
US3160471A (en) * | 1963-05-21 | 1964-12-08 | Irving E Knudsen | Preparation of dense uranium dioxide particles |
US3547598A (en) * | 1968-03-28 | 1970-12-15 | Westinghouse Electric Corp | Production 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 |
GB1281501A (en) | 1970-01-05 | 1972-07-12 | Norton Tool Company Ltd | Hydraulic pressure unloader valve assembly |
US3978194A (en) * | 1971-06-21 | 1976-08-31 | Westinghouse Electric Corporation | Production of sized particles of uranium oxides and uranium oxyfluorides |
US3808145A (en) * | 1971-11-03 | 1974-04-30 | Gen Electric | Ceramic defluorination and reduction process |
ZA73474B (en) * | 1972-02-02 | 1974-02-27 | Atomic Energy Of Australia | A process for the production of uranium hexafluorid |
GB1426159A (en) * | 1973-08-10 | 1976-02-25 | Gen Electric | Process for producing uranium dioxide rich compositions from uranium hexafluoride |
-
1976
- 1976-06-14 US US05/695,346 patent/US4053559A/en not_active Expired - Lifetime
-
1977
- 1977-05-04 ZA ZA00772679A patent/ZA772679B/xx unknown
- 1977-05-16 CA CA278,483A patent/CA1089192A/en not_active Expired
- 1977-05-20 AU AU25357/77A patent/AU511230B2/en not_active Expired
- 1977-05-20 DE DE19772722760 patent/DE2722760A1/de active Granted
- 1977-06-03 IT IT24342/77A patent/IT1077213B/it active
- 1977-06-07 ES ES459583A patent/ES459583A1/es not_active Expired
- 1977-06-13 JP JP6899377A patent/JPS52152900A/ja active Granted
- 1977-06-13 SE SE7706843A patent/SE440769B/sv not_active IP Right Cessation
- 1977-06-13 FR FR7718094A patent/FR2355359A1/fr active Granted
- 1977-06-14 BE BE178429A patent/BE855669A/xx not_active IP Right Cessation
- 1977-06-14 GB GB24822/77A patent/GB1536239A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE855669A (fr) | 1977-12-14 |
SE440769B (sv) | 1985-08-19 |
DE2722760C2 (sv) | 1987-05-27 |
JPS5551855B2 (sv) | 1980-12-26 |
CA1089192A (en) | 1980-11-11 |
GB1536239A (en) | 1978-12-20 |
AU511230B2 (en) | 1980-08-07 |
ES459583A1 (es) | 1978-08-16 |
ZA772679B (en) | 1978-03-29 |
US4053559A (en) | 1977-10-11 |
FR2355359B1 (sv) | 1980-01-18 |
IT1077213B (it) | 1985-05-04 |
FR2355359A1 (fr) | 1978-01-13 |
DE2722760A1 (de) | 1977-12-22 |
AU2535777A (en) | 1978-11-23 |
JPS52152900A (en) | 1977-12-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7706843-5 Effective date: 19910131 Format of ref document f/p: F |