PT91504A - Procede perfectionne d'obtention de composes de ta e/ou nb exemptes d'impuretes a partir de materiaux contenant ces materiaux - Google Patents
Procede perfectionne d'obtention de composes de ta e/ou nb exemptes d'impuretes a partir de materiaux contenant ces materiauxInfo
- Publication number
- PT91504A PT91504A PT91504A PT9150489A PT91504A PT 91504 A PT91504 A PT 91504A PT 91504 A PT91504 A PT 91504A PT 9150489 A PT9150489 A PT 9150489A PT 91504 A PT91504 A PT 91504A
- Authority
- PT
- Portugal
- Prior art keywords
- materiaux
- perfectionne
- impuretes
- exemptes
- procede
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
- C01G35/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- 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
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/24—Obtaining niobium or tantalum
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
- C01G33/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/10—Hydrochloric acid, other halogenated acids or salts thereof
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/28—Amines
- C22B3/288—Quaternary ammonium
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/306—Ketones or aldehydes
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/32—Carboxylic acids
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic 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 |
---|---|---|---|
FR8811643A FR2636939B1 (fr) | 1988-09-06 | 1988-09-06 | Procede perfectionne d'obtention de composes de ta et (ou) nb exempts d'impuretes a partir de materiaux contenant ces metaux |
Publications (2)
Publication Number | Publication Date |
---|---|
PT91504A true PT91504A (pt) | 1990-03-30 |
PT91504B PT91504B (pt) | 1995-05-31 |
Family
ID=9369758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT91504A PT91504B (pt) | 1988-09-06 | 1989-08-22 | Processo aperfeicoado para a obtencao de compostos de ta e/ou nb isentos de impurezas a partir de materiais contendo estes metais |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0386205B1 (pt) |
JP (1) | JPH03502116A (pt) |
KR (1) | KR900702063A (pt) |
AU (1) | AU620148B2 (pt) |
BR (1) | BR8907079A (pt) |
ES (1) | ES2016728A6 (pt) |
FR (1) | FR2636939B1 (pt) |
PT (1) | PT91504B (pt) |
WO (1) | WO1990002823A1 (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5853535A (en) * | 1991-01-28 | 1998-12-29 | Champion International Corporation | Process for manufacturing bleached pulp including recycling |
DE4207145C1 (en) * | 1992-03-06 | 1993-04-29 | H.C. Starck Gmbh & Co Kg, 3380 Goslar, De | Hydro:methallurgical process for recovery of tantalum and niobium - by digesting material e.g. columbite ore with hydrofluoric acid followed by solvent extn. of formed fluoro:complexes |
US5620936A (en) * | 1993-12-14 | 1997-04-15 | E. I. Dupont De Nemours And Company | Recovery of spent catalyst |
EP0734354A1 (en) * | 1993-12-14 | 1996-10-02 | E.I. Du Pont De Nemours And Company | Recovery of spent catalyst |
CN1097094C (zh) * | 1996-03-26 | 2002-12-25 | 卡伯特公司 | 从含不溶氟化物的Ta-Nb金属矿中增溶金属成分的方法 |
JP4245899B2 (ja) * | 2002-06-04 | 2009-04-02 | キャボットスーパーメタル株式会社 | 金属の回収方法 |
CN100554445C (zh) * | 2007-01-05 | 2009-10-28 | 中国科学院过程工程研究所 | 一种分离偏钽酸钾、偏铌酸钾混合物中钽和铌的方法 |
KR101031985B1 (ko) * | 2009-03-27 | 2011-05-02 | (주)나인디지트 | 탄탈륨 광석으로부터 습식제련을 이용한 고순도 금속 화합물의 제조방법 |
FR3040060B1 (fr) * | 2015-08-10 | 2017-08-11 | Centre Nat Rech Scient | Procedes d'extraction et de recuperation du tantale present dans une phase aqueuse acide au moyen d'un liquide ionique, et utilisation d'un tel liquide ionique pour extraire le tantale d'une phase aqueuse acide |
KR20210107346A (ko) * | 2020-02-24 | 2021-09-01 | (주)에코리사이클링 | 탄탈륨의 회수 방법 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB767038A (en) * | 1954-05-17 | 1957-01-30 | Atomic Energy Authority Uk | Improvements in or relating to extraction of niobium |
US2953453A (en) * | 1958-06-20 | 1960-09-20 | Nat Distillers Chem Corp | Recovery of columbium values |
US3112991A (en) * | 1960-03-28 | 1963-12-03 | Union Carbide Corp | Process for recovery of fluoride-free columbium and tantalum pentoxides from organic extracts |
GB956614A (en) * | 1961-10-04 | 1964-04-29 | Derby Luminescents Ltd | Improvements in or relating to the extraction of metals |
US3658511A (en) * | 1969-12-22 | 1972-04-25 | Kawecki Berylco Ind | Upgrading the tantalum and columbium contents of oxidic metallurgical products |
US3712939A (en) * | 1971-03-29 | 1973-01-23 | Union Carbide Corp | Method for recovering tantalum and/or columbium |
DE2435427A1 (de) * | 1974-07-23 | 1976-02-05 | Starck Hermann C Fa | Verfahren zur verarbeitung von tantalniob-haltigen schlacken und rueckstaenden |
NZ181123A (en) * | 1975-06-30 | 1979-12-11 | Univ Melbourne | Treatment of mineralcontaining materials with an acid in the presence of fluoride ion |
DE2927835A1 (de) * | 1979-07-10 | 1981-06-04 | Hermann C. Starck Berlin, 1000 Berlin | Verfahren zur rueckgewinnung von fluorwasserstoffsaeure und deponierfaehigen rueckstaenden bei der verarbeitung niob- und/oder tantal-haltiger rohstoffe |
CA1144376A (fr) * | 1980-06-02 | 1983-04-12 | Gilles Legault | Procede de lixiviation d'un minerai de niobium et ou de tantale |
BR8406916A (pt) * | 1983-05-25 | 1985-05-21 | Oabrand Pty Ltd | Extracao de metais de minerios |
US4663130A (en) * | 1983-11-14 | 1987-05-05 | Cabot Corporation | Process for dissolving tantalum/columbium materials containing alkali metal impurities |
JPS61146717A (ja) * | 1984-12-18 | 1986-07-04 | Sumitomo Chem Co Ltd | タンタルの精製方法 |
FR2589885B1 (fr) * | 1985-09-27 | 1988-01-15 | Extramet Sarl | Procede de separation et de recuperation de metaux, dans des melanges de sulfures metalliques, tels que des minerais de plomb |
JPS62241824A (ja) * | 1986-04-10 | 1987-10-22 | Sumitomo Chem Co Ltd | タンタルとニオブの分離精製方法 |
-
1988
- 1988-09-06 FR FR8811643A patent/FR2636939B1/fr not_active Expired - Lifetime
-
1989
- 1989-08-04 KR KR1019900700931A patent/KR900702063A/ko not_active Application Discontinuation
- 1989-08-04 WO PCT/FR1989/000410 patent/WO1990002823A1/fr active IP Right Grant
- 1989-08-04 AU AU41827/89A patent/AU620148B2/en not_active Expired - Fee Related
- 1989-08-04 EP EP89909572A patent/EP0386205B1/fr not_active Expired - Lifetime
- 1989-08-04 BR BR898907079A patent/BR8907079A/pt unknown
- 1989-08-04 JP JP1508975A patent/JPH03502116A/ja active Pending
- 1989-08-22 PT PT91504A patent/PT91504B/pt not_active IP Right Cessation
- 1989-09-05 ES ES8903026A patent/ES2016728A6/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2016728A6 (es) | 1990-11-16 |
FR2636939B1 (fr) | 1991-08-30 |
FR2636939A1 (fr) | 1990-03-30 |
AU4182789A (en) | 1990-04-02 |
JPH03502116A (ja) | 1991-05-16 |
KR900702063A (ko) | 1990-12-05 |
EP0386205B1 (fr) | 1993-04-28 |
AU620148B2 (en) | 1992-02-13 |
WO1990002823A1 (fr) | 1990-03-22 |
BR8907079A (pt) | 1991-01-08 |
EP0386205A1 (fr) | 1990-09-12 |
PT91504B (pt) | 1995-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG3A | Patent granted, date of granting |
Effective date: 19941123 |
|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19960531 |