CH373566A - Chromium metal manufacturing process - Google Patents

Chromium metal manufacturing process

Info

Publication number
CH373566A
CH373566A CH5381957A CH5381957A CH373566A CH 373566 A CH373566 A CH 373566A CH 5381957 A CH5381957 A CH 5381957A CH 5381957 A CH5381957 A CH 5381957A CH 373566 A CH373566 A CH 373566A
Authority
CH
Switzerland
Prior art keywords
manufacturing process
chromium metal
metal manufacturing
chromium
metal
Prior art date
Application number
CH5381957A
Other languages
French (fr)
Inventor
Spencer Cooper Hugh
Original Assignee
Weil Walter M
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 Weil Walter M filed Critical Weil Walter M
Publication of CH373566A publication Critical patent/CH373566A/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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining 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)
CH5381957A 1956-12-17 1957-12-17 Chromium metal manufacturing process CH373566A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US628810A US2850378A (en) 1956-12-17 1956-12-17 Production of chromium by low-pressure reduction of oxides

Publications (1)

Publication Number Publication Date
CH373566A true CH373566A (en) 1963-11-30

Family

ID=24520394

Family Applications (1)

Application Number Title Priority Date Filing Date
CH5381957A CH373566A (en) 1956-12-17 1957-12-17 Chromium metal manufacturing process

Country Status (2)

Country Link
US (1) US2850378A (en)
CH (1) CH373566A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3048484A (en) * 1958-08-07 1962-08-07 Union Carbide Corp Production of columbium and tantalum
US3330646A (en) * 1964-02-03 1967-07-11 Harold J Heinen Method for producing molybdenum from molybdenite
US3463634A (en) * 1968-08-09 1969-08-26 Atomic Energy Commission Carbon reduction process
JP2655864B2 (en) * 1988-03-14 1997-09-24 昭和電工株式会社 Method for producing high reduced chromium ore powder
US5133947A (en) * 1990-03-02 1992-07-28 Occidental Chemical Corporation Hydrous trivalent chromium oxide/carbon particles and method of making the same
US5215727A (en) * 1990-03-02 1993-06-01 Occidental Chemical Corporation Method of making chromic oxide
JP2908073B2 (en) * 1991-07-05 1999-06-21 株式会社東芝 Manufacturing method of contact alloy for vacuum valve
EP0582006B1 (en) * 1992-08-03 1999-04-21 JAPAN METALS & CHEMICALS CO., LTD. Method for producing high-purity metallic chromium
US5476248A (en) * 1992-08-03 1995-12-19 Japan Metals & Chemicals Co., Ltd. Apparatus for producing high-purity metallic chromium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US979363A (en) * 1906-07-02 1910-12-20 Gen Electric Chemical process.
US2242759A (en) * 1938-03-02 1941-05-20 Walter H Duisberg Reduction of difficultly reducible oxides
FR1019752A (en) * 1949-06-24 1953-01-26 Electric Furnace Prod Co Process of reduction of chromic oxides by carbon

Also Published As

Publication number Publication date
US2850378A (en) 1958-09-02

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