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IT1136879B - Procedimento di purificazione di soluzioni contenenti carbonato,solfato,idrossido o eventualmente idrogenocarbonato alcalini cosi' come uno almeno dei metalli vanadio,uranio,milibdeno - Google Patents

Procedimento di purificazione di soluzioni contenenti carbonato,solfato,idrossido o eventualmente idrogenocarbonato alcalini cosi' come uno almeno dei metalli vanadio,uranio,milibdeno

Info

Publication number
IT1136879B
IT1136879B IT2087981A IT2087981A IT1136879B IT 1136879 B IT1136879 B IT 1136879B IT 2087981 A IT2087981 A IT 2087981A IT 2087981 A IT2087981 A IT 2087981A IT 1136879 B IT1136879 B IT 1136879B
Authority
IT
Italy
Prior art keywords
milibdeno
hydrogenocarbonate
uranium
vanadium
sulphate
Prior art date
Application number
IT2087981A
Other languages
English (en)
Other versions
IT8120879A0 (it
Inventor
Pierre Maurel
Francois Nicolas
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
Priority claimed from FR8007877A external-priority patent/FR2479793A2/fr
Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of IT8120879A0 publication Critical patent/IT8120879A0/it
Application granted granted Critical
Publication of IT1136879B publication Critical patent/IT1136879B/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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/34—Obtaining molybdenum
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/28—Purification; Separation
    • C01D1/32—Purification; Separation by absorption or precipitation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G39/00—Compounds of molybdenum
    • C01G39/06—Sulfides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
IT2087981A 1980-04-02 1981-04-01 Procedimento di purificazione di soluzioni contenenti carbonato,solfato,idrossido o eventualmente idrogenocarbonato alcalini cosi' come uno almeno dei metalli vanadio,uranio,milibdeno IT1136879B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8007877A FR2479793A2 (fr) 1977-09-30 1980-04-02 Procede de purification de solutions contenant des carbonate, sulfate, hydroxyde ou eventuellement hydrogenocarbonate alcalins ainsi que l'un au moins des metaux vanadium, uranium, molybdene

Publications (2)

Publication Number Publication Date
IT8120879A0 IT8120879A0 (it) 1981-04-01
IT1136879B true IT1136879B (it) 1986-09-03

Family

ID=9240640

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2087981A IT1136879B (it) 1980-04-02 1981-04-01 Procedimento di purificazione di soluzioni contenenti carbonato,solfato,idrossido o eventualmente idrogenocarbonato alcalini cosi' come uno almeno dei metalli vanadio,uranio,milibdeno

Country Status (7)

Country Link
US (1) US4423013A (it)
BR (1) BR8101971A (it)
CA (1) CA1154234A (it)
DZ (1) DZ283A1 (it)
IT (1) IT1136879B (it)
SE (1) SE8102091L (it)
ZA (1) ZA812219B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2491451A1 (fr) * 1980-10-03 1982-04-09 Cogema Procede de recuperation separee du molybdene et du vanadium
FR2568563B1 (fr) * 1984-08-02 1990-01-12 Cogema Procede d'obtention d'un concentre uranifere de grande purete a partir de liqueurs contaminees par du zirconium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949339A (en) * 1957-06-18 1960-08-16 A E Butterfield Method for the recovery of uranium, selenium and molybdenum
US3151932A (en) * 1961-12-08 1964-10-06 Phillips Petroleum Co Recovery of uranium and vanadium values
FR2380228A1 (fr) * 1977-02-09 1978-09-08 Cogema Procede de traitement de liqueurs alcalines contenant des ions sulfate
FR2460277A1 (fr) * 1979-07-04 1981-01-23 Cogema Perfectionnements aux procedes de traitement de liqueurs provenant de l'attaque alcaline de minerais uraniferes

Also Published As

Publication number Publication date
ZA812219B (en) 1982-04-28
IT8120879A0 (it) 1981-04-01
SE8102091L (sv) 1981-10-03
CA1154234A (fr) 1983-09-27
US4423013A (en) 1983-12-27
BR8101971A (pt) 1981-10-06
DZ283A1 (fr) 2004-09-13

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