ATE108215T1 - Verfahren zum herstellen von chrom hoher reinheit. - Google Patents

Verfahren zum herstellen von chrom hoher reinheit.

Info

Publication number
ATE108215T1
ATE108215T1 AT90311708T AT90311708T ATE108215T1 AT E108215 T1 ATE108215 T1 AT E108215T1 AT 90311708 T AT90311708 T AT 90311708T AT 90311708 T AT90311708 T AT 90311708T AT E108215 T1 ATE108215 T1 AT E108215T1
Authority
AT
Austria
Prior art keywords
chromium
mixed material
metallic chromium
crude
aluminium
Prior art date
Application number
AT90311708T
Other languages
English (en)
Inventor
Kenichi Oguni Develo Kobayashi
Ogunicho-Aza Oguni Takinofutae
Tatsuhiko Fujinuma
Takashi Oguni Developmen Sasai
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
Application filed by Japan Metals & Chem Co Ltd filed Critical Japan Metals & Chem Co Ltd
Application granted granted Critical
Publication of ATE108215T1 publication Critical patent/ATE108215T1/de

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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/04Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/959Thermit-type reaction of solid materials only to yield molten metal

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)
AT90311708T 1989-11-01 1990-10-25 Verfahren zum herstellen von chrom hoher reinheit. ATE108215T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1283104A JPH03146625A (ja) 1989-11-01 1989-11-01 高純度金属クロムの製造方法

Publications (1)

Publication Number Publication Date
ATE108215T1 true ATE108215T1 (de) 1994-07-15

Family

ID=17661271

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90311708T ATE108215T1 (de) 1989-11-01 1990-10-25 Verfahren zum herstellen von chrom hoher reinheit.

Country Status (5)

Country Link
US (1) US5092921A (de)
EP (1) EP0426375B1 (de)
JP (1) JPH03146625A (de)
AT (1) ATE108215T1 (de)
DE (1) DE69010454D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2908073B2 (ja) * 1991-07-05 1999-06-21 株式会社東芝 真空バルブ用接点合金の製造方法
US5391215A (en) * 1992-08-03 1995-02-21 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
US5561833A (en) * 1993-03-11 1996-10-01 Japan Metals & Chemicals Co., Ltd. Method of making high oxygen chromium target
US5866067A (en) * 1997-03-24 1999-02-02 Sony Corporation And Materials Research Corporation High purity chromium metal by casting with controlled oxygen content
JP2004510889A (ja) * 1998-08-06 2004-04-08 エラメット マリエッタ インコーポレイテッド クロムの精製方法
EP2343719A4 (de) * 2008-10-31 2013-11-20 Meidensha Electric Mfg Co Ltd Elektrodenmaterial für einen vakuumschutzschalter sowie verfahren zu seiner herstellung
RU2495945C1 (ru) * 2012-07-04 2013-10-20 Открытое акционерное общество "Ключевский завод ферросплавов" (ОАО "КЗФ") Шихта и способ алюминотермического получения хрома металлического с ее использованием
CN102965526B (zh) * 2012-11-19 2014-07-02 锦州新桥高纯材料有限公司 一种利用碳还原法生产高纯金属铬的方法
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
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
CN113430398B (zh) * 2021-05-17 2022-11-01 攀钢集团攀枝花钢铁研究院有限公司 一种含有钒元素的JCr98级金属铬及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331475A (en) * 1980-07-28 1982-05-25 Reading Alloys, Inc. Process for aluminothermic production of chromium and chromium alloys low in nitrogen
FR2531978B1 (fr) * 1982-08-20 1985-07-12 Delachaux C Procede de fabrication de metaux ou d'alliages de purete elevee
JPS63130728A (ja) * 1986-11-21 1988-06-02 Kawasaki Steel Corp クロム鉱石ペレツトの還元方法およびペレツト
JPS63199832A (ja) * 1987-02-13 1988-08-18 Tosoh Corp 高純度金属クロムの製造方法

Also Published As

Publication number Publication date
JPH03146625A (ja) 1991-06-21
EP0426375B1 (de) 1994-07-06
DE69010454D1 (de) 1994-08-11
US5092921A (en) 1992-03-03
EP0426375A1 (de) 1991-05-08

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties