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DE69010454D1 - Verfahren zum Herstellen von Chrom hoher Reinheit. - Google Patents

Verfahren zum Herstellen von Chrom hoher Reinheit.

Info

Publication number
DE69010454D1
DE69010454D1 DE69010454T DE69010454T DE69010454D1 DE 69010454 D1 DE69010454 D1 DE 69010454D1 DE 69010454 T DE69010454 T DE 69010454T DE 69010454 T DE69010454 T DE 69010454T DE 69010454 D1 DE69010454 D1 DE 69010454D1
Authority
DE
Germany
Prior art keywords
chromium
mixed material
metallic chromium
crude
aluminium
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69010454T
Other languages
English (en)
Inventor
Kenichi Kobayashi
Tatsuhiko Fujinuma
Takashi Sasai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Metals and Chemical Co Ltd
Original Assignee
Japan Metals and Chemical 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 and Chemical Co Ltd filed Critical Japan Metals and Chemical Co Ltd
Application granted granted Critical
Publication of DE69010454D1 publication Critical patent/DE69010454D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/959—Thermit-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)
DE69010454T 1989-11-01 1990-10-25 Verfahren zum Herstellen von Chrom hoher Reinheit. Expired - Lifetime DE69010454D1 (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
DE69010454D1 true DE69010454D1 (de) 1994-08-11

Family

ID=17661271

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69010454T Expired - Lifetime DE69010454D1 (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
US5476248A (en) * 1992-08-03 1995-12-19 Japan Metals & Chemicals Co., Ltd. Apparatus for producing high-purity metallic chromium
US5391215A (en) * 1992-08-03 1995-02-21 Japan Metals & Chemicals Co., Ltd. Method 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
CN102171780B (zh) * 2008-10-31 2013-12-11 株式会社明电舍 真空断路器用的电极材料及其制造方法
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
US5092921A (en) 1992-03-03
ATE108215T1 (de) 1994-07-15
JPH03146625A (ja) 1991-06-21
EP0426375A1 (de) 1991-05-08
EP0426375B1 (de) 1994-07-06

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Legal Events

Date Code Title Description
8332 No legal effect for de