OA07814A - Prétraitement de minerais à gangue argileuse par humectage alcalin et traitement thermique. - Google Patents

Prétraitement de minerais à gangue argileuse par humectage alcalin et traitement thermique.

Info

Publication number
OA07814A
OA07814A OA58390A OA58390A OA07814A OA 07814 A OA07814 A OA 07814A OA 58390 A OA58390 A OA 58390A OA 58390 A OA58390 A OA 58390A OA 07814 A OA07814 A OA 07814A
Authority
OA
OAPI
Prior art keywords
ores
moistening
pretreatment
alkaline
heat treatment
Prior art date
Application number
OA58390A
Other languages
English (en)
Inventor
Lamerant Jean-Michel
Pallez Francois
Personnet Pierre-Bernard
Original Assignee
Pechiney Uranium
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
Priority claimed from FR8315272A external-priority patent/FR2552109B1/fr
Priority claimed from FR8317601A external-priority patent/FR2554128B1/fr
Application filed by Pechiney Uranium filed Critical Pechiney Uranium
Publication of OA07814A publication Critical patent/OA07814A/fr

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
    • C22B1/00—Preliminary treatment of ores or scrap
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/005—Preliminary treatment of ores, e.g. by roasting or by the Krupp-Renn process
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/22—Obtaining vanadium
    • 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
    • C22B60/0208—Obtaining thorium, uranium, or other actinides obtaining uranium preliminary treatment of ores or scrap

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
OA58390A 1983-09-21 1984-09-20 Prétraitement de minerais à gangue argileuse par humectage alcalin et traitement thermique. OA07814A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8315272A FR2552109B1 (fr) 1983-09-21 1983-09-21 Pretraitement de minerais a gangue argileuse par humectage alcalin et elevation de temperature
FR8317601A FR2554128B1 (fr) 1983-10-28 1983-10-28 Pretraitement de minerais a gangue argileuse par humectage alcalin et maintien a une temperature d'au plus 105 oc

Publications (1)

Publication Number Publication Date
OA07814A true OA07814A (fr) 1986-11-20

Family

ID=26223595

Family Applications (1)

Application Number Title Priority Date Filing Date
OA58390A OA07814A (fr) 1983-09-21 1984-09-20 Prétraitement de minerais à gangue argileuse par humectage alcalin et traitement thermique.

Country Status (9)

Country Link
EP (1) EP0135457B1 (fr)
AU (1) AU3336084A (fr)
BR (1) BR8404730A (fr)
DK (1) DK441884A (fr)
GB (1) GB2148263B (fr)
MA (1) MA20228A1 (fr)
OA (1) OA07814A (fr)
PH (1) PH20833A (fr)
PT (1) PT79235B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621927B1 (fr) * 1988-07-08 1994-08-05 Cogema Procede de lixiviation statique acceleree de minerai argileux

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR360602A (fr) * 1905-05-02 1906-04-27 Louis Riviere Emploi des autoclaves en métallurgie pour le traitement des minerais et la séparation des métaux
FR481455A (fr) * 1916-04-05 1916-12-08 Anita Emilie Currie Procédé commercial pour extraire des métaux et des sels métalliques des minerais de ces métaux
GB215802A (en) * 1922-11-20 1924-05-20 George Waldron Edwards Improvements in or relating to the treatment of oxidised ores or other oxidised compounds of copper and zinc
GB272968A (en) * 1926-06-21 1928-12-21 Und Seruminstitut Bram G M B H Improvements in or relating to separating mixed substances
US2351795A (en) * 1943-02-13 1944-06-20 Los Angeles Chemical Co Method of treating complex leadzinc ores
GB762717A (en) * 1953-11-14 1956-12-05 Vaw Ver Aluminium Werke Ag Method of removing silica from alumina-containing substances having high silica contents
US2956857A (en) * 1957-11-25 1960-10-18 Mallinckrodt Chemical Works Methods of decomposing complex uranium-rare earth tantalo-columbates
FR1329171A (fr) * 1961-08-09 1963-06-07 Wah Chang Corp Procédé de récupération de niobium, tantale et titane d'une gangue siliceuse contenant ces éléments
US3396138A (en) * 1964-08-21 1968-08-06 Tile Council Of America Organic acid resistant compositions from epoxy resin, polyamines and clay

Also Published As

Publication number Publication date
EP0135457A1 (fr) 1985-03-27
GB2148263A (en) 1985-05-30
PT79235B (fr) 1986-11-24
EP0135457B1 (en) 1987-09-16
PT79235A (fr) 1984-10-01
PH20833A (en) 1987-04-30
BR8404730A (pt) 1985-08-13
DK441884D0 (da) 1984-09-17
AU3336084A (en) 1985-03-28
GB2148263B (en) 1987-10-21
DK441884A (da) 1985-03-22
GB8423805D0 (en) 1984-11-14
MA20228A1 (fr) 1985-04-01

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