BE348857A - - Google Patents

Info

Publication number
BE348857A
BE348857A BE348857DA BE348857A BE 348857 A BE348857 A BE 348857A BE 348857D A BE348857D A BE 348857DA BE 348857 A BE348857 A BE 348857A
Authority
BE
Belgium
Prior art keywords
heating
mixture
stage
treated
chromium ores
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE348857A publication Critical patent/BE348857A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/30Obtaining chromium, molybdenum or tungsten
    • C22B34/32Obtaining chromium

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BE348857D BE348857A (OSRAM)

Publications (1)

Publication Number Publication Date
BE348857A true BE348857A (OSRAM)

Family

ID=24280

Family Applications (1)

Application Number Title Priority Date Filing Date
BE348857D BE348857A (OSRAM)

Country Status (1)

Country Link
BE (1) BE348857A (OSRAM)

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