MA20228A1 - Pretreatment of clayey ores by alkaline wetting and heat treatment. - Google Patents

Pretreatment of clayey ores by alkaline wetting and heat treatment.

Info

Publication number
MA20228A1
MA20228A1 MA20452A MA20452A MA20228A1 MA 20228 A1 MA20228 A1 MA 20228A1 MA 20452 A MA20452 A MA 20452A MA 20452 A MA20452 A MA 20452A MA 20228 A1 MA20228 A1 MA 20228A1
Authority
MA
Morocco
Prior art keywords
pretreatment
heat treatment
alkaline wetting
clayey
ores
Prior art date
Application number
MA20452A
Other languages
French (fr)
Inventor
Pallez Francois
Lamerant Jean-Michel
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/en
Priority claimed from FR8317601A external-priority patent/FR2554128B1/en
Application filed by Pechiney Uranium filed Critical Pechiney Uranium
Publication of MA20228A1 publication Critical patent/MA20228A1/en

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)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
MA20452A 1983-09-21 1984-09-14 Pretreatment of clayey ores by alkaline wetting and heat treatment. MA20228A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8315272A FR2552109B1 (en) 1983-09-21 1983-09-21 PRETREATMENT OF CLAY-TONGUE ORES BY ALKALINE MOISTURE AND TEMPERATURE RISE
FR8317601A FR2554128B1 (en) 1983-10-28 1983-10-28 PRETREATMENT OF OILS WITH A CLAY TONGUE BY ALKALINE MOISTURE AND MAINTAINING A TEMPERATURE OF NOT MORE THAN 105 OC

Publications (1)

Publication Number Publication Date
MA20228A1 true MA20228A1 (en) 1985-04-01

Family

ID=26223595

Family Applications (1)

Application Number Title Priority Date Filing Date
MA20452A MA20228A1 (en) 1983-09-21 1984-09-14 Pretreatment of clayey ores by alkaline wetting and heat treatment.

Country Status (9)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621927B1 (en) * 1988-07-08 1994-08-05 Cogema PROCESS FOR ACCELERATED STATIC LEACHING OF CLAY ORE

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR360602A (en) * 1905-05-02 1906-04-27 Louis Riviere Use of autoclaves in metallurgy for the treatment of ores and the separation of metals
FR481455A (en) * 1916-04-05 1916-12-08 Anita Emilie Currie Commercial process for extracting metals and metal salts from ores of these metals
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 (en) * 1961-08-09 1963-06-07 Wah Chang Corp Process for recovering niobium, tantalum and titanium from a siliceous gangue containing these elements
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 (en) 1985-03-27
DK441884A (en) 1985-03-22
GB2148263A (en) 1985-05-30
GB8423805D0 (en) 1984-11-14
PH20833A (en) 1987-04-30
PT79235A (en) 1984-10-01
EP0135457B1 (en) 1987-09-16
OA07814A (en) 1986-11-20
AU3336084A (en) 1985-03-28
BR8404730A (en) 1985-08-13
DK441884D0 (en) 1984-09-17
GB2148263B (en) 1987-10-21
PT79235B (en) 1986-11-24

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