ATE137273T1 - Verfahren zum herstellen von chrom hoher reinheit - Google Patents

Verfahren zum herstellen von chrom hoher reinheit

Info

Publication number
ATE137273T1
ATE137273T1 AT91309433T AT91309433T ATE137273T1 AT E137273 T1 ATE137273 T1 AT E137273T1 AT 91309433 T AT91309433 T AT 91309433T AT 91309433 T AT91309433 T AT 91309433T AT E137273 T1 ATE137273 T1 AT E137273T1
Authority
AT
Austria
Prior art keywords
metallic chromium
chromium
mixture
heated
crude metallic
Prior art date
Application number
AT91309433T
Other languages
English (en)
Inventor
Kenichi Kobayashi
Ogunicho-Aza Takinofutae
Tatsuhiko Fujinuma
Original Assignee
Japan Metals & Chem Co Ltd
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 JP28356390A external-priority patent/JPH04160124A/ja
Priority claimed from JP1036391A external-priority patent/JPH04235229A/ja
Priority claimed from JP1036491A external-priority patent/JPH07116532B2/ja
Application filed by Japan Metals & Chem Co Ltd filed Critical Japan Metals & Chem Co Ltd
Application granted granted Critical
Publication of ATE137273T1 publication Critical patent/ATE137273T1/de

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)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Carbon And Carbon Compounds (AREA)
AT91309433T 1990-10-23 1991-10-10 Verfahren zum herstellen von chrom hoher reinheit ATE137273T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP28356390A JPH04160124A (ja) 1990-10-23 1990-10-23 高純度金属クロムの製造方法
JP1036391A JPH04235229A (ja) 1991-01-07 1991-01-07 高純度金属クロムの製造方法
JP1036491A JPH07116532B2 (ja) 1991-01-07 1991-01-07 高純度金属クロムの製造方法

Publications (1)

Publication Number Publication Date
ATE137273T1 true ATE137273T1 (de) 1996-05-15

Family

ID=27278939

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91309433T ATE137273T1 (de) 1990-10-23 1991-10-10 Verfahren zum herstellen von chrom hoher reinheit

Country Status (4)

Country Link
US (1) US5259866A (de)
EP (1) EP0482808B1 (de)
AT (1) ATE137273T1 (de)
DE (1) DE69119028T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5391215A (en) * 1992-08-03 1995-02-21 Japan Metals & Chemicals Co., Ltd. Method for producing high-purity metallic chromium
US5866067A (en) * 1997-03-24 1999-02-02 Sony Corporation And Materials Research Corporation High purity chromium metal by casting with controlled oxygen content
US20090162273A1 (en) * 2007-12-21 2009-06-25 Howmedica Osteonics Corp. Chromium oxide powder having a reduced level of hexavalent chromium and a method of making the powder
US9771634B2 (en) * 2014-11-05 2017-09-26 Companhia Brasileira De Metalurgia E Mineração Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys
US10041146B2 (en) 2014-11-05 2018-08-07 Companhia Brasileira de Metalurgia e Mineraçäo Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products
TWI607968B (zh) * 2016-09-23 2017-12-11 國家中山科學研究院 一種碳化物原料合成之製備方法
CN111500878A (zh) * 2020-04-30 2020-08-07 渤海大学 一种利用碳化铬制备金属铬的方法
CN111922350B (zh) * 2020-09-22 2021-01-01 西安斯瑞先进铜合金科技有限公司 一种低盐酸不溶物金属铬粉的制备方法
CN111922351B (zh) * 2020-09-23 2021-01-01 西安斯瑞先进铜合金科技有限公司 一种高纯低氧金属铬粉的制备方法
CN115323217A (zh) * 2022-08-23 2022-11-11 陕西斯瑞新材料股份有限公司 一种低成本CuCr25触头材料的制备方法
CN116640937B (zh) * 2023-05-31 2024-05-28 湖北旌冶科技有限公司 一种高质量金属铬的冶炼方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242759A (en) * 1938-03-02 1941-05-20 Walter H Duisberg Reduction of difficultly reducible oxides
US2833645A (en) * 1955-08-19 1958-05-06 Union Carbide Corp Reduction of chromium oxides
US2890952A (en) * 1955-11-04 1959-06-16 Lummus Co Method of refining metals
US2939784A (en) * 1958-09-26 1960-06-07 Union Carbide Corp Process for elimination of sulfur from metals
US2995439A (en) * 1959-02-02 1961-08-08 Union Carbide Corp Preparation of high purity chromium and other metals
US3271139A (en) * 1962-04-10 1966-09-06 Union Carbide Corp Process for the production of low sulfur ferrochromium
US3158464A (en) * 1963-05-23 1964-11-24 Union Carbide Corp Ferrochromium production
DE1254363B (de) * 1964-12-10 1967-11-16 Elektrometallurgie M B H Ges Verfahren zur Reduktion von oxydischen Rohstoffen
EP0328677B1 (de) * 1987-08-13 1994-06-22 Nkk Corporation Ofen und verfahren zur reduktion eines chromvorproduktes durch schmelzen
JPH0283563A (ja) * 1988-09-21 1990-03-23 Seiko Epson Corp 現像装置
JPH0310364A (ja) * 1989-06-07 1991-01-17 Nec Eng Ltd マルチｃｐｕ回路
JPH0310363A (ja) * 1989-06-08 1991-01-17 Nippon Steel Corp 並列計算機における待ち時間設定方法
US5133947A (en) * 1990-03-02 1992-07-28 Occidental Chemical Corporation Hydrous trivalent chromium oxide/carbon particles and method of making the same

Also Published As

Publication number Publication date
DE69119028D1 (de) 1996-05-30
DE69119028T2 (de) 1996-12-19
EP0482808B1 (de) 1996-04-24
EP0482808A1 (de) 1992-04-29
US5259866A (en) 1993-11-09

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee