IT1110397B - Attacco ad alta temperatura di minerali con un liquor contenente essenzialmente un bicarbonato solubile - Google Patents

Attacco ad alta temperatura di minerali con un liquor contenente essenzialmente un bicarbonato solubile

Info

Publication number
IT1110397B
IT1110397B IT19972/79A IT1997279A IT1110397B IT 1110397 B IT1110397 B IT 1110397B IT 19972/79 A IT19972/79 A IT 19972/79A IT 1997279 A IT1997279 A IT 1997279A IT 1110397 B IT1110397 B IT 1110397B
Authority
IT
Italy
Prior art keywords
essently
minerals
high temperature
liquor containing
soluble bicarbonate
Prior art date
Application number
IT19972/79A
Other languages
English (en)
Italian (it)
Other versions
IT7919972A0 (it
Inventor
Pierre Maurel
Francois Nicolas
Bernard Bosca
Original Assignee
Pechiney Aluminium
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 Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of IT7919972A0 publication Critical patent/IT7919972A0/it
Application granted granted Critical
Publication of IT1110397B publication Critical patent/IT1110397B/it

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
    • 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
    • C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0221—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching
    • C22B60/0247—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using basic solutions or liquors
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/34—Obtaining molybdenum
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
IT19972/79A 1978-02-09 1979-02-07 Attacco ad alta temperatura di minerali con un liquor contenente essenzialmente un bicarbonato solubile IT1110397B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7804468A FR2416952A1 (fr) 1978-02-09 1978-02-09 Attaque a haute temperature de minerais par une liqueur contenant pour l'essentiel un bicarbonate soluble

Publications (2)

Publication Number Publication Date
IT7919972A0 IT7919972A0 (it) 1979-02-07
IT1110397B true IT1110397B (it) 1985-12-23

Family

ID=9204685

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19972/79A IT1110397B (it) 1978-02-09 1979-02-07 Attacco ad alta temperatura di minerali con un liquor contenente essenzialmente un bicarbonato solubile

Country Status (16)

Country Link
US (1) US4296073A (OSRAM)
EP (1) EP0003709B1 (OSRAM)
AU (1) AU530511B2 (OSRAM)
BE (1) BE874055A (OSRAM)
BR (1) BR7900711A (OSRAM)
CA (1) CA1121603A (OSRAM)
DE (1) DE2963318D1 (OSRAM)
ES (1) ES477538A1 (OSRAM)
FI (1) FI69116C (OSRAM)
FR (1) FR2416952A1 (OSRAM)
GR (1) GR61916B (OSRAM)
IL (1) IL56588A (OSRAM)
IT (1) IT1110397B (OSRAM)
NO (1) NO151713C (OSRAM)
OA (1) OA06179A (OSRAM)
ZA (1) ZA79551B (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475065A2 (fr) * 1979-07-27 1981-08-07 Pechiney Aluminium Procede d'attaque oxydante d'un minerai uranifere par une liqueur carbonatee
US4443415A (en) * 1982-06-22 1984-04-17 Amax Inc. Recovery of V2 O5 and nickel values from petroleum coke
FR2552108A1 (fr) * 1983-09-21 1985-03-22 Pechiney Uranium Pretraitement a haute temperature au moyen d'une solution aqueuse alcaline de minerais a gangue argileuse contenant au moins un element valorisable autre que l'uranium, le vanadium et le molybdene
PH20901A (en) * 1983-04-27 1987-05-27 Pechiney Uranium High-temperature pretreatment by means of an alkaline aqueous solution of ores having an argillaceous gangue containg at least one usable element
FR2545105A1 (fr) * 1983-04-27 1984-11-02 Pechiney Uranium Pretraitement a haute temperature de minerais uranifere, vanadifere ou molybdenifere a gangue argileuse au moyen d'une solution aqueuse alcaline
US4582688A (en) * 1983-08-08 1986-04-15 Mobil Oil Corporation Process for recovery of mineral values
FR2567419A1 (fr) * 1984-07-13 1986-01-17 Pechiney Uranium Pretraitement de materiaux naturels a gangue argileuse contenant au moins un element valorisable au moyen d'une solution aqueuse de silicate ou aluminate alcalin
DE3708751C2 (de) * 1987-03-18 1994-12-15 Kernforschungsz Karlsruhe Verfahren zur nassen Auflösung von Uran-Plutonium-Mischoxid-Kernbrennstoffen
US6040657A (en) * 1997-08-15 2000-03-21 Itt Manufacturing Enterprises Thin faceplate image intensifier tube having an improved vacuum housing

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA493787A (en) * 1953-06-23 Larsson Markus Method of extracting uranium from bituminous shales and shale culm containing uranium
FR1092946A (fr) * 1949-11-29 1955-04-28 France Etat Traitement des minerais d'uranium
GB716597A (en) * 1952-01-11 1954-10-06 Ca Nat Research Council Leaching of uranium
US2992887A (en) * 1952-09-25 1961-07-18 Thunaes Arvid Leaching of uranium ores using alkaline carbonates and bicarbonates at atmospheric pressure
US2815263A (en) * 1953-10-05 1957-12-03 Robert B Eldredge Treatment of ores and metallurgical products
US3036881A (en) * 1957-05-23 1962-05-29 Warren E Clifford Catalyzed oxidation of uranium in carbonate solutions
US2979378A (en) * 1957-12-18 1961-04-11 Phillips Petroleum Co Processing of uranium ores
US3022135A (en) * 1958-02-26 1962-02-20 Phillips Petroleum Co Uranium recovery process
US3017241A (en) * 1959-05-07 1962-01-16 American Cyanamid Co Catalytic oxidation of ores
US3429693A (en) * 1965-12-27 1969-02-25 Fmc Corp Extraction of metals
FR2050549A5 (en) * 1969-06-17 1971-04-02 Commissariat Energie Atomique Uranium extraction by catalyzed air oxidn - in aq carbonates
US4046852A (en) * 1976-05-19 1977-09-06 Amax Inc. Purification process for technical grade molybdenum oxide
US4061711A (en) * 1976-10-26 1977-12-06 Uop Inc. Recovery of vanadium values
FR2379612A1 (fr) * 1977-02-08 1978-09-01 Cogema Procede de traitement chimique de minerais uraniferes contenant des composes du souffre et/ou des matieres organiques, par lixiviation alcaline

Also Published As

Publication number Publication date
EP0003709B1 (fr) 1982-07-14
NO151713C (no) 1985-05-22
FI790375A7 (fi) 1979-08-10
FR2416952A1 (fr) 1979-09-07
IT7919972A0 (it) 1979-02-07
CA1121603A (fr) 1982-04-13
GR61916B (en) 1979-02-08
BR7900711A (pt) 1979-09-04
DE2963318D1 (en) 1982-09-02
NO790408L (no) 1979-08-10
EP0003709A1 (fr) 1979-08-22
FR2416952B1 (OSRAM) 1982-02-05
NO151713B (no) 1985-02-11
FI69116C (fi) 1985-12-10
ZA79551B (en) 1980-02-27
IL56588A (en) 1982-08-31
US4296073A (en) 1981-10-20
ES477538A1 (es) 1979-06-16
FI69116B (fi) 1985-08-30
OA06179A (fr) 1981-06-30
BE874055A (fr) 1979-08-09
AU530511B2 (en) 1983-07-21
AU4402379A (en) 1979-08-16

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