FR2429747B1 - 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-vi

Info

Publication number
FR2429747B1
FR2429747B1 FR7916299A FR7916299A FR2429747B1 FR 2429747 B1 FR2429747 B1 FR 2429747B1 FR 7916299 A FR7916299 A FR 7916299A FR 7916299 A FR7916299 A FR 7916299A FR 2429747 B1 FR2429747 B1 FR 2429747B1
Authority
FR
France
Prior art keywords
hydrated
uranium
purifying
peroxide
preparing
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
FR7916299A
Other languages
English (en)
Other versions
FR2429747A1 (fr
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.)
Cargill Fertilizer Inc
Original Assignee
Gardinier Inc
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 Gardinier Inc filed Critical Gardinier Inc
Publication of FR2429747A1 publication Critical patent/FR2429747A1/fr
Application granted granted Critical
Publication of FR2429747B1 publication Critical patent/FR2429747B1/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/04Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof
    • C01B15/047Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals
    • C01B15/0475Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals of actinides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02Obtaining thorium, uranium, or other actinides
    • C22B60/0204Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0221Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching
    • C22B60/0226Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors
    • C22B60/0239Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors nitric acid containing ion as active agent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02Obtaining thorium, uranium, or other actinides
    • C22B60/0204Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0252Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
    • C22B60/0278Obtaining 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)
FR7916299A 1978-06-27 1979-06-25 Procede pour purifier le tetrafluorure d'uranium hydrate et preparer le peroxyde hydrate d'uranium-vi Expired FR2429747B1 (fr)

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 FR2429747A1 (fr) 1980-01-25
FR2429747B1 true 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)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UST102906I4 (en) * 1980-11-24 1983-04-05 Method of removing phosphorus impurities from yellowcake
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
US5385713A (en) * 1992-05-29 1995-01-31 Ecotek, 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
US5273725A (en) * 1992-05-29 1993-12-28 Eco Tek, Inc. Metal and fluorine values recovery from mineral ore treatment
AU2581797A (en) 1996-03-26 1997-10-17 Cabot Corporation Method for solubilizing metal values from ta-nb-ore materials containing insoluble fluorides
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
FR2969659B1 (fr) 2010-12-24 2013-02-08 Comurhex Soc Pour La Conversion De L Uranium En Metal Et Hexafluorure Procede de conversion d'uo3 ou de u3o8 en uo4 hydrate.
US11697914B2 (en) * 2018-09-14 2023-07-11 Denison Mines Corp. System and methods for in situ recovery and processing of recovered solutions

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
US3037840A (en) * 1962-01-09 1962-06-05 Jr John F Gregory Method for preparation of spherical uo

Also Published As

Publication number Publication date
FR2438623B1 (fr) 1985-10-11
CA1107032A (fr) 1981-08-18
FR2438623A1 (fr) 1980-05-09
US4247522A (en) 1981-01-27
FR2429747A1 (fr) 1980-01-25

Similar Documents

Publication Publication Date Title
GB2039460B (en) Water purification process and system
FR2429747B1 (fr) Procede pour purifier le tetrafluorure d'uranium hydrate et preparer le peroxyde hydrate d'uranium-vi
YU146079A (en) Process for purifying waste water
DE2962432D1 (en) Improved process for the further processing of hydrogen sulphide-containing gases
NZ194657A (en) Purification of waste water two step process involving (1) oxidation (2) coagulation-flocculation-decantation
FR2526419B1 (fr) Procede et composition catalytique pour produire un alkyleneglycol inferieur et procede pour preparer cette composition
BE879721A (fr) Lingotiere a surface rendue rugueuse pour couler des metaux procede pour la produire et son utilisation
FR2276259B1 (fr) Procede d'elimination de l'hydrogene sulfure
IL57596A (en) Process for the purification and concentration of urokinase
GB2035827B (en) Process for treating waste gases
DE2963828D1 (en) Flocculation method for water purification
FR2288058A1 (fr) Procede pour la purification d'actinides a faible degre d'oxydation
BE859162A (fr) Procede et appareil pour l'epuration des effluents gazeux
BE877569A (fr) Procede d'oxydation du soufre et des composes du soufre
LU80327A1 (fr) Procede d'epuration des eaux residuaires
BE877195A (fr) Procede pour l'elimination selective des impuretes
FR2429746B1 (fr) Procede pour purifier le tetrafluorure d'uranium hydrate et preparer le peroxyde hydrate d'uranium-vi a l'aide d'un agent complexant des fluorures
FR2537012B1 (fr) Procede pour l'elimination des mercaptans contenus dans des gaz
DE3060114D1 (en) Process for purifying waste water
FR2347876A1 (fr) Procede et appareil pour faciliter l'abattage des arbres
BE884976R (fr) Procede et dispositif pour l'epuration des gaz
YU197783A (en) Process for the purification of aqueous uranium solutions
BE884202Q (fr) Procede pour preparer des chlorures d'alpha-chloralcanoyle
RO85921A (fr) Procede pour l'ensilotage des fourrages et composition pour la realisation du procede
RO78609A (fr) Procede pour la preparation des 1-benzoyle 3-thiosemicarbasides

Legal Events

Date Code Title Description
ST Notification of lapse