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
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)
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)
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)
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 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 AT AT90311708T patent/ATE108215T1/de not_active IP Right Cessation
- 1990-10-25 EP EP90311708A patent/EP0426375B1/de not_active Expired - Lifetime
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE108215T1 (de) | Verfahren zum herstellen von chrom hoher reinheit. | |
DE3482851D1 (de) | Verfahren zur eisenherstellung. | |
HUT46616A (en) | Shaped piece of ceramic material with self-carrying structure and process for producing the same | |
CS859388A3 (en) | Self-supporting ceramic body and process for producing thereof | |
RU93004932A (ru) | Способ переработки реакторного сырья в карбид железа | |
HUT49102A (en) | Process for producing self-carrying ceramic products with complex structure | |
ATE24205T1 (de) | Verfahren zur herstellung von metallen und legierungen hoher reinheit. | |
ATE137273T1 (de) | Verfahren zum herstellen von chrom hoher reinheit | |
DE3761817D1 (de) | Verfahren zur herstellung von glas- oder keramischen koerpern. | |
NO893982D0 (no) | Framgangsmaate for dannelse av komposittlegemer med metallmatrise ved aa bruke et knust reaksjonsprodukt av polykrystallinsk oksidasjon. | |
SE8008380L (sv) | Forfarande for framstellning av stal med hog kromhalt | |
CA2703040A1 (en) | Method and device for producing silicon | |
KR980700440A (ko) | 철 원료 제조방법(method for producing iron feedstock) | |
YU172187A (en) | Process for producing slag containing composed ceramic articles | |
DE3172268D1 (en) | A method for recovering the metal content of complex sulphidic metal raw materials | |
AU7206991A (en) | Method for in situ tailoring the metallic component of ceramic articles and articles made thereby | |
US4050960A (en) | Method for decreasing the amount of carbon and nitrogen contained in the ferrochrome alloy | |
HUT46610A (en) | Process for production of prestressed ceramic products, composed ceramic selfcarrying product and gun barrel? | |
Cremisio | Residual Elements Wanted(or Unwanted) in the Vacuum Melting of Specialty Steels and Alloys.(Retroactive Coverage) | |
Koch et al. | Method for Producing Copper and Furnace Therefor | |
RU1770276C (ru) | Способ получени бора | |
JPS5946891B2 (ja) | 鉄鉱滓より磁鉄鉱の製造方法 | |
CA2111627A1 (en) | Process for Producing Furnace Atmospheres by Deoxygenating Noncryogenically Generated Nitrogen with Dissociated Ammonia | |
DE3067995D1 (en) | A process and apparatus for recovering energy from molten slag | |
JPS5550443A (en) | Method and apparatus for manufacturing metallic molybdenum |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |