FR2429747A1 - Procede pour purifier le tetrafluorure d'uranium hydrate et preparer le peroxyde hydrate d'uranium-vi - Google Patents
Procede pour purifier le tetrafluorure d'uranium hydrate et preparer le peroxyde hydrate d'uranium-viInfo
- Publication number
- FR2429747A1 FR2429747A1 FR7916299A FR7916299A FR2429747A1 FR 2429747 A1 FR2429747 A1 FR 2429747A1 FR 7916299 A FR7916299 A FR 7916299A FR 7916299 A FR7916299 A FR 7916299A FR 2429747 A1 FR2429747 A1 FR 2429747A1
- Authority
- FR
- France
- Prior art keywords
- uranium
- hydrated
- peroxide
- tetrafluoride
- purifying
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/04—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof
- C01B15/047—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals
- C01B15/0475—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals of actinides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
- C22B60/0221—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching
- C22B60/0226—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors
- C22B60/0239—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors nitric acid containing ion as active agent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
- C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
- C22B60/0278—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries by chemical methods
Landscapes
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Préparation de peroxyde hydraté d'uranium-VI purifié à partir de tétrafluorure hydraté d'uranium. On fait digérer le tétrafluorure en solution aqueuse acide en présence d'un agent de précipitation des fluorures; on filtre les insolubles et les fluorures précipités; on règle la solution aqueuse d'uranium obtenue à un pH d'environ 1 à 3; on fait réagir la solution avec un peroxyde pour précipiter l'uranium-VI sous forme de peroxyde qu'on sépare. Applications courantes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/919,557 US4247522A (en) | 1978-06-27 | 1978-06-27 | Method of purifying uranium tetrafluoride hydrate and preparing uranium (VI) peroxide hydrate using a fluoride precipitating agent |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2429747A1 true FR2429747A1 (fr) | 1980-01-25 |
FR2429747B1 FR2429747B1 (fr) | 1986-04-18 |
Family
ID=25442306
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7916299A Expired FR2429747B1 (fr) | 1978-06-27 | 1979-06-25 | Procede pour purifier le tetrafluorure d'uranium hydrate et preparer le peroxyde hydrate d'uranium-vi |
FR8001450A Expired FR2438623B1 (fr) | 1978-06-27 | 1980-01-23 | Procede de purification du peroxyde hydrate d'uranium vi |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8001450A Expired FR2438623B1 (fr) | 1978-06-27 | 1980-01-23 | Procede de purification du peroxyde hydrate d'uranium vi |
Country Status (3)
Country | Link |
---|---|
US (1) | US4247522A (fr) |
CA (1) | CA1107032A (fr) |
FR (2) | FR2429747B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0054014A1 (fr) * | 1980-11-24 | 1982-06-16 | FMC Corporation | Procédé d'élimination des impuretés en phosphore du gâteau jaune |
WO2012084740A1 (fr) | 2010-12-24 | 2012-06-28 | Comurhex Societe Pour La Conversion De L'uranium En Metal Et Hexafluorure | Procédé de conversion d'uo3 et/ou de u3o8 en uo4 hydraté |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2531698A2 (fr) * | 1981-11-17 | 1984-02-17 | Pechiney Ugine Kuhlmann Uran | Traitement de purification d'un concentre uranifere |
FR2516498A1 (fr) * | 1981-11-17 | 1983-05-20 | Pechiney Ugine Kuhlmann Uran | Traitement de purification d'un concentre uranifere |
FR2531696B1 (fr) * | 1982-08-12 | 1985-07-12 | Pechiney Ugine Kuhlmann Uran | Procede ameliore de dissolution du tetrafluorure d'uranium impur |
USH30H (en) | 1982-12-08 | 1986-03-04 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for the preparation of liquid samples for determination of boron |
JPS62235218A (ja) * | 1986-04-04 | 1987-10-15 | Unitika Ltd | ウランおよびフツ酸の分離回収法 |
US5273725A (en) * | 1992-05-29 | 1993-12-28 | Eco Tek, Inc. | Metal and fluorine values recovery from mineral ore treatment |
US5384105A (en) * | 1992-05-29 | 1995-01-24 | Eco Tek, Inc. | Metal and fluorine values recovery from mineral ore treatment |
US5385713A (en) * | 1992-05-29 | 1995-01-31 | Ecotek, Inc. | Metal and fluorine values recovery from mineral ore treatment |
DE19781674T1 (de) * | 1996-03-26 | 1999-04-01 | Cabot Corp | Verfahren zum Löslichmachen von Metallbeständen aus Ta-Nb-Erzmaterialien, welche unlösliche Fluoride enthalten |
US6843970B1 (en) | 1996-03-26 | 2005-01-18 | Cabot Corporation | Process for recovering metal values by dissolving them in a sulfuric acid solution containing a carbon source and a reducing agent |
US7419604B1 (en) * | 2004-12-29 | 2008-09-02 | University Of Kentucky Research Foundation | Use of boron compounds to precipitate uranium from water |
US11697914B2 (en) * | 2018-09-14 | 2023-07-11 | Denison Mines Corp. | System and methods for in situ recovery and processing of recovered solutions |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB741591A (en) * | 1947-05-06 | 1955-12-07 | Atomic Energy Authority Uk | Improvements in or relating to the purification of uranium by formation of uranium peroxide |
US2733127A (en) * | 1956-01-31 | Precipitation of fluoride-free uranium | ||
US2847277A (en) * | 1945-06-27 | 1958-08-12 | Edward J King | Precipitation of uranium peroxide of low fluoride content from solutions containing fluorides |
GB829088A (en) * | 1944-10-20 | 1960-02-24 | Atomic Energy Authority Uk | Separation of uranium peroxide from mixtures |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3037840A (en) * | 1962-01-09 | 1962-06-05 | Jr John F Gregory | Method for preparation of spherical uo |
-
1978
- 1978-06-27 US US05/919,557 patent/US4247522A/en not_active Expired - Lifetime
-
1979
- 1979-05-09 CA CA327,265A patent/CA1107032A/fr not_active Expired
- 1979-06-25 FR FR7916299A patent/FR2429747B1/fr not_active Expired
-
1980
- 1980-01-23 FR FR8001450A patent/FR2438623B1/fr not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733127A (en) * | 1956-01-31 | Precipitation of fluoride-free uranium | ||
GB829088A (en) * | 1944-10-20 | 1960-02-24 | Atomic Energy Authority Uk | Separation of uranium peroxide from mixtures |
US2847277A (en) * | 1945-06-27 | 1958-08-12 | Edward J King | Precipitation of uranium peroxide of low fluoride content from solutions containing fluorides |
GB741591A (en) * | 1947-05-06 | 1955-12-07 | Atomic Energy Authority Uk | Improvements in or relating to the purification of uranium by formation of uranium peroxide |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0054014A1 (fr) * | 1980-11-24 | 1982-06-16 | FMC Corporation | Procédé d'élimination des impuretés en phosphore du gâteau jaune |
WO2012084740A1 (fr) | 2010-12-24 | 2012-06-28 | Comurhex Societe Pour La Conversion De L'uranium En Metal Et Hexafluorure | Procédé de conversion d'uo3 et/ou de u3o8 en uo4 hydraté |
US9045350B2 (en) | 2010-12-24 | 2015-06-02 | Comurhex Societe Pour La Conversion De L'uranium En Metal Et Hexafluorure | Method for converting UO3 or U3O8 into hydrated UO4 |
Also Published As
Publication number | Publication date |
---|---|
FR2438623B1 (fr) | 1985-10-11 |
US4247522A (en) | 1981-01-27 |
CA1107032A (fr) | 1981-08-18 |
FR2429747B1 (fr) | 1986-04-18 |
FR2438623A1 (fr) | 1980-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2429747A1 (fr) | Procede pour purifier le tetrafluorure d'uranium hydrate et preparer le peroxyde hydrate d'uranium-vi | |
FR2648136B1 (fr) | Procede de preparation de l'acide ascorbique | |
FR2431319B1 (fr) | Agent auxiliaire de filtration pour le traitement d'eaux troubles et de suspensions et procede de deshydration de ces eaux troubles et de suspensions utilisant ces agents | |
FR2595691B1 (fr) | Procede pour la production de l'acide naphtalene-dicarboxylique-2,6 par oxydation du diisopropyl-2,6 naphtalene | |
FR2523466B1 (fr) | Procede de recuperation et de purification d'un acide sulfurique residuaire contenant des sels de titane | |
GB1498337A (en) | Cleaning of oils contaminated with metal particles | |
MA18654A1 (fr) | Procede de recuperation de l'uranium present dans les solutions de l'acide phosphorique | |
GB1361532A (en) | Treatment of aluminium waste liquors | |
GB1473245A (en) | Purification of plasminogen | |
FR2563208B1 (fr) | Procede de traitement des eaux par l'ozone | |
FR2589149B1 (fr) | Procede de separation et de purification de l'acide salicylique par precipitation a partir d'une solution aqueuse de son sel sodique | |
SE8505905L (sv) | Forfarande for rening av saltsura jern(ii)-kloridlosningar | |
ES8603790A1 (es) | Procedimiento para la eliminacion de arsenico de acidos sul-furicos de desecho | |
SE8305252D0 (sv) | Procede de purification de solutions aqueuses uraniferes contenant du zirconium et/ou de hafnium entre autres impuretes | |
MA21033A1 (fr) | Procede pour l'elimination des metaux lourds des milieux aqueux acides contenant du phosphate . | |
FR2536899B1 (fr) | Procede pour la denitrification de solutions residuaires aqueuses d'acide nitrique contenant des sels | |
RO76234A (fr) | Procede pour la concentration et la purification des solutions aqueuses d'acide sulfurique | |
FR2536898B1 (fr) | Procede pour la denitrification de solutions residuaires d'acide nitrique contenant des actinides, a rejeter avec separation simultanee des actinides | |
FR2440386A1 (fr) | Procede pour la purification et le blanchiment des pigments | |
SU684035A1 (ru) | Амид-2-тиаиндан-2,2-диоксид-5сульфокислоты в качестве вспенивател при флотации сульфидных свинцовых руд | |
EP0981571A4 (fr) | Purification des polyacides de polyphosphazene | |
EP0219787A3 (en) | Process for obtaining pure tungstic acid/and or molybdic acid (water soluble isopolyacids) from alcaline tungsten and/or molybdenum metal salt solutions containing in particular silicon, phosphorus, arsenic ions and the like impurities | |
FR2606202B1 (fr) | Procede de recuperation de composes organophosphores acides et/ou d'ions organophosphate presents dans une solution aqueuse et son utilisation pour le traitement d'effluents aqueux | |
SU814870A1 (ru) | Способ очистки флотационныхфлюОРиТОВыХ КОНцЕНТРАТОВ | |
Panchenko et al. | Aluminium hydroxosulphate- a new coagulant for purifying water |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |