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

Verfahren zum herstellen von chrom hoher reinheit.

Info

Publication number: ATE108215T1
Authority: AT; Austria
Prior art keywords: chromium; mixed material; metallic chromium; crude; aluminium
Prior art date: 1989-11-01

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.)

1989-11-01

Filing date

1990-10-25

Publication date

1994-07-15

1990-10-25 Application filed by Japan Metals & Chem Co Ltd filed Critical Japan Metals & Chem Co Ltd

1994-07-15 Application granted granted Critical

1994-07-15 Publication of ATE108215T1 publication Critical patent/ATE108215T1/de

Links

VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title abstract 5
229910052804 chromium Inorganic materials 0.000 abstract 4
239000011651 chromium Substances 0.000 abstract 4
239000000463 material Substances 0.000 abstract 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 2
239000004411 aluminium Substances 0.000 abstract 2
229910052782 aluminium Inorganic materials 0.000 abstract 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
229910052799 carbon Inorganic materials 0.000 abstract 2
229910000423 chromium oxide Inorganic materials 0.000 abstract 2
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
239000012535 impurity Substances 0.000 abstract 1
239000011261 inert gas Substances 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
229910052751 metal Inorganic materials 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
229910052760 oxygen Inorganic materials 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1
239000000843 powder Substances 0.000 abstract 1
239000006104 solid solution Substances 0.000 abstract 1
229910052717 sulfur Inorganic materials 0.000 abstract 1
239000011593 sulfur Substances 0.000 abstract 1
239000003832 thermite Substances 0.000 abstract 1

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)

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 (15)

* 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
EP1102651B1 (de) *	1998-08-06	2004-10-06	Eramet Marietta Inc.	Verfahren zur erzeugung von reinstchrom
FR2835000B1 (fr) *	2002-01-21	2004-11-05	Delachaux Sa	Procede de fabrication d'elements metalliques au moyen d'un creuset
US8440112B2 (en) *	2008-10-31	2013-05-14	Meiden T&D Corporation	Electrode material for vacuum circuit breaker and method of manufacturing the same
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
CN117488106A (zh) *	2023-12-08	2024-02-02	四川省银河化学股份有限公司	一种金属铬粉体与添加剂一体化成型方法
CN117737482A (zh) *	2023-12-20	2024-03-22	四川省银河化学股份有限公司	一种水合氢氧化铬制备高纯铬铝合金的工艺

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

1989
- 1989-11-01 JP JP1283104A patent/JPH03146625A/ja active Pending
1990
- 1990-10-25 AT AT90311708T patent/ATE108215T1/de not_active IP Right Cessation
- 1990-10-25 DE DE69010454T patent/DE69010454D1/de not_active Expired - Lifetime
- 1990-10-25 US US07/603,222 patent/US5092921A/en not_active Expired - Fee Related
- 1990-10-25 EP EP90311708A patent/EP0426375B1/de not_active Expired - Lifetime

Also Published As

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

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Legal Events

Date	Code	Title	Description
1995-01-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties