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BR8806226A - Processo de separacao de torio e de terras raras de um concentrado de fluoretos de pelo menos um destes elementos - Google Patents

Processo de separacao de torio e de terras raras de um concentrado de fluoretos de pelo menos um destes elementos

Info

Publication number
BR8806226A
BR8806226A BR888806226A BR8806226A BR8806226A BR 8806226 A BR8806226 A BR 8806226A BR 888806226 A BR888806226 A BR 888806226A BR 8806226 A BR8806226 A BR 8806226A BR 8806226 A BR8806226 A BR 8806226A
Authority
BR
Brazil
Prior art keywords
torio
elements
separation process
fluoride concentrate
rare lands
Prior art date
Application number
BR888806226A
Other languages
English (en)
Inventor
Francinet Cailly
Frederic Fabre
Original Assignee
Rhone Poulenc Chimie
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 Rhone Poulenc Chimie filed Critical Rhone Poulenc Chimie
Publication of BR8806226A publication Critical patent/BR8806226A/pt

Links

Classifications

    • 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
    • C22B59/00—Obtaining rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F15/00—Compounds of thorium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C01F17/235—Cerium oxides or hydroxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BR888806226A 1987-11-27 1988-11-25 Processo de separacao de torio e de terras raras de um concentrado de fluoretos de pelo menos um destes elementos BR8806226A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8716452A FR2623792B1 (fr) 1987-11-27 1987-11-27 Procede de separation du thorium et des terres rares d'un concentre de fluorures de ces elements

Publications (1)

Publication Number Publication Date
BR8806226A true BR8806226A (pt) 1989-08-15

Family

ID=9357233

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888806226A BR8806226A (pt) 1987-11-27 1988-11-25 Processo de separacao de torio e de terras raras de um concentrado de fluoretos de pelo menos um destes elementos

Country Status (5)

Country Link
US (1) US4954293A (pt)
JP (1) JPH0665608B2 (pt)
AU (1) AU2593788A (pt)
BR (1) BR8806226A (pt)
FR (1) FR2623792B1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2697010B1 (fr) * 1992-10-19 1995-02-24 Rhone Poulenc Chimie Procédé de traitement des composés solubles du thorium et nouveau phosphate de thorium ainsi obtenu.
US5405590A (en) * 1993-02-05 1995-04-11 Pedro Buarque de Macedo Off-gas scrubber system
KR950013314B1 (ko) * 1993-05-07 1995-11-02 주식회사엘지금속 폐수중 불소처리 잔사의 재처리방법
US6471922B1 (en) * 1999-03-01 2002-10-29 The Regents Of The University Of California Actinide removal from spent salts
US8116423B2 (en) 2007-12-26 2012-02-14 Thorium Power, Inc. Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly
AU2007363064B2 (en) 2007-12-26 2014-02-13 Thorium Power Inc. Nuclear reactor (variants), fuel assembly consisting of driver-breeding modules for a nuclear reactor (variants) and a fuel cell for a fuel assembly
CA2946210C (en) 2008-12-25 2019-02-12 Thorium Power, Inc. A light-water reactor fuel assembly and fuel element thereof
WO2011143172A1 (en) 2010-05-11 2011-11-17 Thorium Power, Inc. Fuel assembly with metal fuel alloy kernel and method of manufacturing thereof
US10192644B2 (en) 2010-05-11 2019-01-29 Lightbridge Corporation Fuel assembly
US10170207B2 (en) 2013-05-10 2019-01-01 Thorium Power, Inc. Fuel assembly
JP6172100B2 (ja) * 2014-09-25 2017-08-02 住友金属鉱山株式会社 スカンジウムの回収方法
EP3875618A1 (en) * 2020-03-06 2021-09-08 Yara International ASA Method for selective separation of thorium and cerium from a solid concentrate comprising same and one or more further rare earth metals and acidic rare earth solution thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1307153A (en) * 1919-06-17 Lonnie w
US1335157A (en) * 1915-04-15 1920-03-30 Chemical Foundation Inc Process of separating thorium from the other metals of the rare earths
FR845666A (fr) * 1937-11-24 1939-08-30 Seri Holding Procédé d'extraction de bases d'éléments rares contenues dans des minerais ou des roches
US2995419A (en) * 1950-07-18 1961-08-08 Jr Daniel E Koshland Method for dissolving lanthanum fluoride carrier for plutonium
US2915363A (en) * 1956-06-21 1959-12-01 Int Minerals & Chem Corp Method of recovering thoria
US3146063A (en) * 1961-01-03 1964-08-25 Vitro Corp Of America Process for separating scandium from mixtures containing scandium and thorium values
US3619128A (en) * 1968-12-05 1971-11-09 Stauffer Chemical Co Method for processing rare earth fluorocarbonate ores
JPS586947A (ja) * 1981-07-03 1983-01-14 Inoue Japax Res Inc 希土類精鉱の処理方法
FR2515630B1 (fr) * 1981-10-30 1985-10-04 Rhone Poulenc Spec Chim Procede d'extraction et de separation de l'uranium, du thorium et des terres rares par traitement de solutions aqueuses de chlorures de ces elements
FR2583735B1 (fr) * 1985-06-20 1990-11-23 Rhone Poulenc Spec Chim Nouvelles dispersions colloidales d'un compose de cerium iv en milieu aqueux et leur procede d'obtention.
FR2584092B1 (fr) * 1985-06-27 1987-10-23 Pechiney Uranium Procede de separation des terres rares et de l'uranium d'un concentre d'uf4 et de leur valorisation
FR2584700B1 (fr) * 1985-07-11 1990-05-11 Rhone Poulenc Spec Chim Procede de preparation de precurseurs d'oxydes de terres rares et produits obtenus
FR2587036A1 (fr) * 1985-09-10 1987-03-13 Rhone Poulenc Spec Chim Procede de traitement de minerais de terres rares
FR2587037A1 (fr) * 1985-09-10 1987-03-13 Rhone Poulenc Spec Chim Procede de traitement de minerais de terres rares

Also Published As

Publication number Publication date
JPH01230426A (ja) 1989-09-13
AU2593788A (en) 1989-06-01
FR2623792A1 (fr) 1989-06-02
JPH0665608B2 (ja) 1994-08-24
US4954293A (en) 1990-09-04
FR2623792B1 (fr) 1991-02-15

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