BR7904995A - Processo de extracao de colombio-tantalo a partir de minerios de pirocloro - Google Patents
Processo de extracao de colombio-tantalo a partir de minerios de pirocloroInfo
- Publication number
- BR7904995A BR7904995A BR7904995A BR7904995A BR7904995A BR 7904995 A BR7904995 A BR 7904995A BR 7904995 A BR7904995 A BR 7904995A BR 7904995 A BR7904995 A BR 7904995A BR 7904995 A BR7904995 A BR 7904995A
- Authority
- BR
- Brazil
- Prior art keywords
- pirochloro
- colombio
- tantalo
- ores
- extraction process
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- 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
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/80—Material per se process of making same
- Y10S505/81—Compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/929,545 US4182744A (en) | 1978-08-04 | 1978-08-04 | Extracting columbium-tantalum values from pyrochlore ores |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7904995A true BR7904995A (pt) | 1980-04-22 |
Family
ID=25458027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7904995A BR7904995A (pt) | 1978-08-04 | 1979-08-03 | Processo de extracao de colombio-tantalo a partir de minerios de pirocloro |
Country Status (3)
Country | Link |
---|---|
US (1) | US4182744A (pt) |
BR (1) | BR7904995A (pt) |
CA (1) | CA1122416A (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR8703766A (pt) * | 1987-07-20 | 1989-01-31 | Mamore Mineracao E Metalurgica | Processo para a abertura de minerios |
US5384105A (en) * | 1992-05-29 | 1995-01-24 | Eco Tek, Inc. | Metal and fluorine values recovery from mineral ore treatment |
US6641641B2 (en) * | 2000-09-12 | 2003-11-04 | Mitsui Mining & Smelting Co., Ltd. | Method for producing metal or metal compound comprising process of treating with fluorine and adjusted raw material used therein |
US6800259B2 (en) * | 2002-03-04 | 2004-10-05 | Cabot Corporation | Methods to control H2S and arsine emissions |
RU2507281C1 (ru) * | 2012-06-01 | 2014-02-20 | Федеральное государственное бюджетное учреждение науки Институт химии Дальневосточного отделения Российской академии наук (ИХ ДВО РАН) | Способ обработки смеси оксидов ниобия и/или тантала и титана |
RU2525025C1 (ru) * | 2013-06-20 | 2014-08-10 | Федеральное государственное образовательное автономное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | Способ вскрытия перовскитовых концентратов |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1905882A (en) * | 1928-01-20 | 1933-04-25 | Fansteel Prod Co Inc | Metallic columbium and process for making the same |
US2880060A (en) * | 1957-02-28 | 1959-03-31 | Horizons Inc | Separation of niobium and tantalum values |
US3107976A (en) * | 1957-11-29 | 1963-10-22 | Ernest L Koerner | Niobium-tantalum separation |
US3025157A (en) * | 1959-05-22 | 1962-03-13 | Gulf Research Development Co | Process for recovery of niobium from ores in association with alkaline earth metals |
BE757612A (fr) * | 1970-01-05 | 1971-04-01 | Molybdenum Corp | Procedes ameliores pour la recuperation de columbium |
-
1978
- 1978-08-04 US US05/929,545 patent/US4182744A/en not_active Expired - Lifetime
-
1979
- 1979-08-01 CA CA333,009A patent/CA1122416A/en not_active Expired
- 1979-08-03 BR BR7904995A patent/BR7904995A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4182744A (en) | 1980-01-08 |
CA1122416A (en) | 1982-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK | Patent expired |
Effective date: 19940803 |