MA20228A1 - Pretraitement de minerais a gangue argileuse par humectage alcalin et traitement thermique. - Google Patents

Pretraitement de minerais a gangue argileuse par humectage alcalin et traitement thermique.

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
English (en)
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/fr
Priority claimed from FR8317601A external-priority patent/FR2554128B1/fr
Application filed by Pechiney Uranium filed Critical Pechiney Uranium
Publication of MA20228A1 publication Critical patent/MA20228A1/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)
MA20452A 1983-09-21 1984-09-14 Pretraitement de minerais a gangue argileuse par humectage alcalin et traitement thermique. MA20228A1 (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
MA20228A1 true MA20228A1 (fr) 1985-04-01

Family

ID=26223595

Family Applications (1)

Application Number Title Priority Date Filing Date
MA20452A MA20228A1 (fr) 1983-09-21 1984-09-14 Pretraitement de minerais a 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
OA07814A (fr) 1986-11-20
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

Similar Documents

Publication Publication Date Title
EP0130467A3 (en) Efficient trace method adaptable to multiprocessors
BE866192A (fr) Procede et installation hydraulique de production d'energie
AT388389B (de) Vorrichtung zum direktreduzieren von eisenoxiden
JPS5581848A (en) Energy saving recovery of acrylonitrile
JPS5329437A (en) Method of energy recovery from waste heat
JPS5420902A (en) Ore gangue treating method
BE872909A (fr) Procede et agencement de fabrication d'enveloppes
GB2029812B (en) Treating ammoniacal waste
FR2510596B1 (fr) Procede integre de cokefaction et de gazeification
JPS54140042A (en) Method of harnessing waste heat
MA20228A1 (fr) Pretraitement de minerais a gangue argileuse par humectage alcalin et traitement thermique.
FR2396804B1 (fr) Alliages d'yttrium et procede de fabrication
FR2409468B1 (fr) Absorbeur d'energie solaire et procede de fabrication de celui-ci
BR8105706A (pt) Painel solar e processo de montagem do painel solar
ZM1984A1 (en) High temperature pre-treatment by means of an alkaline aqueous solution of ores having an argillaceous gangue containing at least one usable element
FR2396802B1 (fr) Procede de fabrication d'yttrium et d'alliages d'yttrium
FR2514048B1 (fr) Absorbeur de l'energie des vagues
JPS56102928A (en) Method of increasing dissolving efficiency
FI820081L (fi) Loesningar foer sammansmaeltning av en metall med andra metaller
ZA847410B (en) Pretreatment of ores having a clay gangue by alkaline wetting and thermal treatment
KR860005182A (ko) 폐열 회수장치
FR2587728B1 (fr) Procede de traitement thermique d'une piece en alliage d'uranium
RO85237A (fr) Procede pour la recuperation de la chaleur et l'economie de l'eau de refroidissement aux processus de transfert de masse
BR8707667A (pt) Arranjo na fabricacao de aco por meio de agitacao indutiva
JPS5358171A (en) Waste treatment method and furnace