DE69119028D1 - Verfahren zum Herstellen von Chrom hoher Reinheit - Google Patents

Verfahren zum Herstellen von Chrom hoher Reinheit

Info

Publication number: DE69119028D1
Authority: DE; Germany
Prior art keywords: metallic chromium; chromium; mixture; heated; crude metallic
Prior art date: 1990-10-23
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 - Fee Related

Application number

DE69119028T

Other languages

English (en)

Other versions

DE69119028T2 (de

Inventor

Kenichi Kobayashi

Tatsuhiko Fujinuma

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.)

1990-10-23

Filing date

1991-10-10

Publication date

1996-05-30

1990-10-23 Priority claimed from JP28356390A external-priority patent/JPH04160124A/ja

1991-01-07 Priority claimed from JP1036391A external-priority patent/JPH04235229A/ja

1991-01-07 Priority claimed from JP1036491A external-priority patent/JPH07116532B2/ja

1991-10-10 Application filed by Japan Metals and Chemical Co Ltd filed Critical Japan Metals and Chemical Co Ltd

1996-05-30 Application granted granted Critical

1996-05-30 Publication of DE69119028D1 publication Critical patent/DE69119028D1/de

1996-12-19 Publication of DE69119028T2 publication Critical patent/DE69119028T2/de

2011-10-11 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title abstract 8
229910052804 chromium Inorganic materials 0.000 title abstract 8
239000011651 chromium Substances 0.000 title abstract 8
239000000203 mixture Substances 0.000 abstract 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 3
UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 abstract 3
238000007872 degassing Methods 0.000 abstract 3
239000012535 impurity Substances 0.000 abstract 3
239000011261 inert gas Substances 0.000 abstract 3
229910052751 metal Inorganic materials 0.000 abstract 3
239000002184 metal Substances 0.000 abstract 3
229910003470 tongbaite Inorganic materials 0.000 abstract 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
229910052799 carbon Inorganic materials 0.000 abstract 2
239000000843 powder Substances 0.000 abstract 2
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
150000007522 mineralic acids Chemical class 0.000 abstract 1
229910017604 nitric acid Inorganic materials 0.000 abstract 1
150000007524 organic acids Chemical class 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

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)

DE69119028T 1990-10-23 1991-10-10 Verfahren zum Herstellen von Chrom hoher Reinheit Expired - Fee Related DE69119028T2 (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 (2)

Publication Number	Publication Date
DE69119028D1 true DE69119028D1 (de)	1996-05-30
DE69119028T2 DE69119028T2 (de)	1996-12-19

Family

ID=27278939

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69119028T Expired - Fee Related DE69119028T2 (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
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
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
WO1989001532A1 (en) *	1987-08-13	1989-02-23	Nkk Corporation	Process for melt reduction of cr starting material and melt reduction furnace
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

1991
- 1991-06-24 US US07/719,625 patent/US5259866A/en not_active Expired - Fee Related
- 1991-10-10 EP EP91309433A patent/EP0482808B1/de not_active Expired - Lifetime
- 1991-10-10 AT AT91309433T patent/ATE137273T1/de not_active IP Right Cessation
- 1991-10-10 DE DE69119028T patent/DE69119028T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0482808B1 (de)	1996-04-24
ATE137273T1 (de)	1996-05-15
DE69119028T2 (de)	1996-12-19
EP0482808A1 (de)	1992-04-29
US5259866A (en)	1993-11-09

Similar Documents

Publication	Publication Date	Title
DE69119028D1 (de)	1996-05-30	Verfahren zum Herstellen von Chrom hoher Reinheit
MY110410A (en)	1998-05-30	New finasteride processes
DE69700928D1 (de)	2000-01-20	Verfahren zur Rückgewinnung von wiederverwendbaren Wertstoffen aus Schrott von Legierungen der seltenen Erden mit Eisen und Kobalt
DE69010454D1 (de)	1994-08-11	Verfahren zum Herstellen von Chrom hoher Reinheit.
DE3761817D1 (de)	1990-04-12	Verfahren zur herstellung von glas- oder keramischen koerpern.
ES438221A1 (es)	1977-01-01	Procedimiento para purificar isocianatos organicos.
DE68908534D1 (de)	1993-09-23	Siliziumcarbidplaettchen und verfahren zu deren herstellung.
GB1046091A (en)	1966-10-19	N-vinylamides and a process for preparing them
ATE71059T1 (de)	1992-01-15	Verfahren zur photokatalytischen zerlegung von wasser in wasserstoff und sauerstoff.
JPH0339426A (ja)	1991-02-20	金属ニオブの製造方法
ES2055670A1 (es)	1994-08-16	Metodo de producir 5-nucleotidos.
JPS56103134A (en)	1981-08-18	Preparation of high-purity carboxylic acid chloride
US2710817A (en)	1955-06-14	Metallurgical process for the production of polyvalent metals and the coating of articles therewith
GB931145A (en)	1963-07-10	Improvements in and relating to the production of fused ring polycyclic aryl sodium compounds
US3547582A (en)	1970-12-15	Method for manufacture of high purity iron oxide powder
US3773796A (en)	1973-11-20	Production of oxygen-containing heterocyclic compounds
UST964002I4 (en)	1977-11-01	Method to purify magnesium chloride to produce a flux for molten magnesium
SU627086A1 (ru)	1978-10-05	Способ получени хлоридов металлов
EP0465844A3 (en)	1992-07-01	Purification method of 2-chloropropionic acid
GB860378A (en)	1961-02-01	Improvements in or relating to the production of b-trichloroborazols
Tsukihashi et al.	1986	Equilibrium and Kinetics of Nitrogen Reaction With Na sub 2 O--SiO sub 2 and Carbon Saturated Iron
Boiko et al.	1989	An Investigation of the Permissible Roasting Practices for Pellets in Relation to the Criterion of the Strength of the Roasting Pallets
DE59101707D1 (de)	1994-06-30	Verfahren zur Herstellung von Metallcarbiden.
JPS5622633A (en)	1981-03-03	Method and apparatus for purifying zirconium tetrachloride
Clasen	1987	Method of Manufacturing Glass or Ceramic Articles

Legal Events

Date	Code	Title	Description
1997-05-22	8364	No opposition during term of opposition
2002-11-07	8339	Ceased/non-payment of the annual fee