ZA854474B - Metallothermic reduction of rare earth oxides with calcium metal - Google Patents
Metallothermic reduction of rare earth oxides with calcium metalInfo
- Publication number
- ZA854474B ZA854474B ZA854474A ZA854474A ZA854474B ZA 854474 B ZA854474 B ZA 854474B ZA 854474 A ZA854474 A ZA 854474A ZA 854474 A ZA854474 A ZA 854474A ZA 854474 B ZA854474 B ZA 854474B
- Authority
- ZA
- South Africa
- Prior art keywords
- rare earth
- calcium metal
- earth oxides
- metallothermic reduction
- oxides
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title abstract 4
- 239000002184 metal Substances 0.000 title abstract 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052791 calcium Inorganic materials 0.000 title abstract 3
- 239000011575 calcium Substances 0.000 title abstract 3
- 229910001404 rare earth metal oxide Inorganic materials 0.000 title abstract 3
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 2
- 150000002910 rare earth metals Chemical class 0.000 abstract 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- 239000001110 calcium chloride Substances 0.000 abstract 1
- 150000002739 metals 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
- C22B59/00—Obtaining rare earth metals
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62773684A | 1984-07-03 | 1984-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA854474B true ZA854474B (en) | 1986-03-26 |
Family
ID=24515917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA854474A ZA854474B (en) | 1984-07-03 | 1985-06-13 | Metallothermic reduction of rare earth oxides with calcium metal |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0170372B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPS6130639A (cg-RX-API-DMAC7.html) |
| KR (1) | KR910001581B1 (cg-RX-API-DMAC7.html) |
| AT (1) | ATE36560T1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU575965B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR8503140A (cg-RX-API-DMAC7.html) |
| DE (1) | DE3564451D1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES8702508A1 (cg-RX-API-DMAC7.html) |
| MX (1) | MX173880B (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA854474B (cg-RX-API-DMAC7.html) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4578242A (en) * | 1984-07-03 | 1986-03-25 | General Motors Corporation | Metallothermic reduction of rare earth oxides |
| US4680055A (en) * | 1986-03-18 | 1987-07-14 | General Motors Corporation | Metallothermic reduction of rare earth chlorides |
| US4837109A (en) * | 1986-07-21 | 1989-06-06 | Hitachi Metals, Ltd. | Method of producing neodymium-iron-boron permanent magnet |
| AT389899B (de) * | 1986-08-19 | 1990-02-12 | Treibacher Chemische Werke Ag | Verfahren zur herstellung von se-metallen und se-haltigen legierungen |
| JPH01138119A (ja) * | 1987-11-24 | 1989-05-31 | Mitsubishi Metal Corp | 希土類電解スラグからサマリウムとユーロピウムを回収する方法 |
| DE3817553A1 (de) * | 1988-05-24 | 1989-11-30 | Leybold Ag | Verfahren zum herstellen von titan und zirkonium |
| US4917724A (en) * | 1988-10-11 | 1990-04-17 | General Motors Corporation | Method of decalcifying rare earth metals formed by the reduction-diffusion process |
| KR100373109B1 (ko) * | 1999-09-30 | 2003-02-25 | 해 남 현 | 토양의 치환성 칼리 침출방법 및 이를 이용하여 침출된 토양 치환성 칼리의 정량방법 |
| JP2004052003A (ja) * | 2002-07-16 | 2004-02-19 | Cabot Supermetal Kk | ニオブ粉末またはタンタル粉末の製造方法および製造装置 |
| RU2405045C2 (ru) * | 2008-05-12 | 2010-11-27 | Анатолий Евгеньевич Волков | Способ и устройство автоклавного производства химически активных металлов |
| WO2011088132A1 (en) * | 2010-01-12 | 2011-07-21 | Sylvan Source, Inc. | Heat transfer interface |
| CN103436718B (zh) * | 2013-08-16 | 2015-06-17 | 宁夏东方钽业股份有限公司 | 一种高纯金属镧的制取方法 |
| EP3802893A4 (en) | 2018-05-30 | 2022-03-02 | Hela Novel Metals LLC | PROCESS FOR PRODUCTION OF FINE METAL POWDER FROM METAL COMPOUNDS |
| KR102153737B1 (ko) * | 2019-12-12 | 2020-09-09 | 한국지질자원연구원 | 철-희토류계 영구자석으로부터 선택염화법에 의한 희토류 원소의 회수 방법 |
| CN111139366B (zh) * | 2020-01-17 | 2024-05-31 | 鹰潭市宇钠科技中心(有限合伙) | 一种钠冷快堆中核纯级冷却材料制备提纯方法及其设备 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190923215A (en) * | 1909-10-11 | 1910-09-29 | Hans Kuzel | Process for the Production of Zirconium and other Rare Metals. |
| US2950962A (en) * | 1957-03-28 | 1960-08-30 | Carlson Oscar Norman | Reduction of fluoride to metal |
| GB1040468A (en) * | 1964-10-26 | 1966-08-24 | Dow Chemical Co | Preparation of rare earth metal, yttrium, or scandium |
| GB1579978A (en) * | 1977-07-05 | 1980-11-26 | Johnson Matthey Co Ltd | Production of yttrium |
| SU1027232A1 (ru) * | 1982-01-15 | 1983-07-07 | Научно-исследовательский институт металлургии | Способ получени лигатуры |
| EP0108474B2 (en) * | 1982-09-03 | 1995-06-21 | General Motors Corporation | RE-TM-B alloys, method for their production and permanent magnets containing such alloys |
| JPS59177346A (ja) * | 1983-03-25 | 1984-10-08 | Sumitomo Special Metals Co Ltd | 希土類磁石素材用配合合金 |
| JPS6077943A (ja) * | 1983-10-03 | 1985-05-02 | Sumitomo Special Metals Co Ltd | 希土類磁石用原料合金の製造方法 |
| US4578242A (en) * | 1984-07-03 | 1986-03-25 | General Motors Corporation | Metallothermic reduction of rare earth oxides |
-
1985
- 1985-06-07 AT AT85304046T patent/ATE36560T1/de not_active IP Right Cessation
- 1985-06-07 DE DE8585304046T patent/DE3564451D1/de not_active Expired
- 1985-06-07 EP EP85304046A patent/EP0170372B1/en not_active Expired
- 1985-06-13 ZA ZA854474A patent/ZA854474B/xx unknown
- 1985-06-28 MX MX026616A patent/MX173880B/es unknown
- 1985-06-28 BR BR8503140A patent/BR8503140A/pt not_active IP Right Cessation
- 1985-07-01 KR KR1019850004710A patent/KR910001581B1/ko not_active Expired
- 1985-07-02 AU AU44488/85A patent/AU575965B2/en not_active Ceased
- 1985-07-02 ES ES544799A patent/ES8702508A1/es not_active Expired
- 1985-07-03 JP JP14645085A patent/JPS6130639A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ES8702508A1 (es) | 1987-01-01 |
| ES544799A0 (es) | 1987-01-01 |
| JPS6137341B2 (cg-RX-API-DMAC7.html) | 1986-08-23 |
| AU575965B2 (en) | 1988-08-11 |
| JPS6130639A (ja) | 1986-02-12 |
| EP0170372B1 (en) | 1988-08-17 |
| MX173880B (es) | 1994-04-07 |
| KR860001203A (ko) | 1986-02-24 |
| AU4448885A (en) | 1986-01-09 |
| ATE36560T1 (de) | 1988-09-15 |
| KR910001581B1 (ko) | 1991-03-16 |
| DE3564451D1 (en) | 1988-09-22 |
| EP0170372A1 (en) | 1986-02-05 |
| BR8503140A (pt) | 1986-03-18 |
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