RO69797A - PROCESS FOR OBTAINING A CONCENTRATE OF RARE EARTH PHOSPHATES - Google Patents

PROCESS FOR OBTAINING A CONCENTRATE OF RARE EARTH PHOSPHATES

Info

Publication number
RO69797A
RO69797A RO7478649A RO7864974A RO69797A RO 69797 A RO69797 A RO 69797A RO 7478649 A RO7478649 A RO 7478649A RO 7864974 A RO7864974 A RO 7864974A RO 69797 A RO69797 A RO 69797A
Authority
RO
Romania
Prior art keywords
concentrate
obtaining
rare earth
earth phosphates
phosphates
Prior art date
Application number
RO7478649A
Other languages
French (fr)
Romanian (ro)
Inventor
Gior T Mejdell
Harald Storen
Original Assignee
Norsk Hydro As,No
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 Norsk Hydro As,No filed Critical Norsk Hydro As,No
Publication of RO69797A publication Critical patent/RO69797A/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
    • C22B59/00—Obtaining rare earth metals
    • 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
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/282—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Fertilizers (AREA)
  • Cosmetics (AREA)
RO7478649A 1973-05-02 1974-05-02 PROCESS FOR OBTAINING A CONCENTRATE OF RARE EARTH PHOSPHATES RO69797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO01814/73A NO130109B (en) 1973-05-02 1973-05-02

Publications (1)

Publication Number Publication Date
RO69797A true RO69797A (en) 1981-06-30

Family

ID=19878449

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7478649A RO69797A (en) 1973-05-02 1974-05-02 PROCESS FOR OBTAINING A CONCENTRATE OF RARE EARTH PHOSPHATES

Country Status (7)

Country Link
DE (1) DE2419928A1 (en)
FI (1) FI59422C (en)
HU (1) HU168089B (en)
NO (1) NO130109B (en)
RO (1) RO69797A (en)
SE (1) SE395878B (en)
SU (1) SU764607A3 (en)

Also Published As

Publication number Publication date
FI59422C (en) 1981-08-10
NO130109B (en) 1974-07-08
SE395878B (en) 1977-08-29
DE2419928A1 (en) 1974-11-21
FI59422B (en) 1981-04-30
SU764607A3 (en) 1980-09-15
HU168089B (en) 1976-02-28

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