EP0135457B1 - Pretreatment of ores having an argillaceous gangue by alkali humidifying and thermal treatment - Google Patents

Pretreatment of ores having an argillaceous gangue by alkali humidifying and thermal treatment

Info

Publication number
EP0135457B1
EP0135457B1 EP84420157A EP84420157A EP0135457B1 EP 0135457 B1 EP0135457 B1 EP 0135457B1 EP 84420157 A EP84420157 A EP 84420157A EP 84420157 A EP84420157 A EP 84420157A EP 0135457 B1 EP0135457 B1 EP 0135457B1
Authority
EP
European Patent Office
Prior art keywords
ores
humidifying
pretreatment
alkali
thermal treatment
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
EP84420157A
Other languages
English (en)
Other versions
EP0135457A1 (fr
Inventor
Jean-Michel Lamerant
Francois Pallez
Pierre-Bernard Personnet
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.)
Uranium Pechiney
Original Assignee
Uranium Pechiney
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 Uranium Pechiney filed Critical Uranium Pechiney
Publication of EP0135457A1 publication Critical patent/EP0135457A1/fr
Application granted granted Critical
Publication of EP0135457B1 publication Critical patent/EP0135457B1/fr
Expired legal-status Critical Current

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)
EP84420157A 1983-09-21 1984-09-19 Pretreatment of ores having an argillaceous gangue by alkali humidifying and thermal treatment Expired EP0135457B1 (en)

Applications Claiming Priority (4)

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
FR8315272 1983-09-21
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
FR8317601 1983-10-28

Publications (2)

Publication Number Publication Date
EP0135457A1 EP0135457A1 (fr) 1985-03-27
EP0135457B1 true EP0135457B1 (en) 1987-09-16

Family

ID=26223595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84420157A Expired EP0135457B1 (en) 1983-09-21 1984-09-19 Pretreatment of ores having an argillaceous gangue by alkali humidifying and thermal treatment

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
DK441884D0 (da) 1984-09-17
GB2148263A (en) 1985-05-30
MA20228A1 (fr) 1985-04-01
BR8404730A (pt) 1985-08-13
OA07814A (fr) 1986-11-20
PH20833A (en) 1987-04-30
EP0135457A1 (fr) 1985-03-27
GB2148263B (en) 1987-10-21
PT79235B (fr) 1986-11-24
GB8423805D0 (en) 1984-11-14
DK441884A (da) 1985-03-22
PT79235A (fr) 1984-10-01
AU3336084A (en) 1985-03-28

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: PERSONNET, PIERRE-BERNARD

Inventor name: PALLEZ, FRANCOIS

Inventor name: LAMERANT, JEAN-MICHEL