BR9500498A - Process for the isolation of tantalum and niobium - Google Patents
Process for the isolation of tantalum and niobiumInfo
- Publication number
- BR9500498A BR9500498A BR9500498A BR9500498A BR9500498A BR 9500498 A BR9500498 A BR 9500498A BR 9500498 A BR9500498 A BR 9500498A BR 9500498 A BR9500498 A BR 9500498A BR 9500498 A BR9500498 A BR 9500498A
- Authority
- BR
- Brazil
- Prior art keywords
- niobium
- tantalum
- isolation
- 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
- C01G33/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- 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
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/24—Obtaining niobium or tantalum
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4404374A DE4404374C1 (en) | 1994-02-11 | 1994-02-11 | Recovery and sepn of tantalum and niobium from materials contg. both |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9500498A true BR9500498A (en) | 1995-10-17 |
Family
ID=6510044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9500498A BR9500498A (en) | 1994-02-11 | 1995-02-10 | Process for the isolation of tantalum and niobium |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH07252552A (en) |
AU (1) | AU700944B2 (en) |
BR (1) | BR9500498A (en) |
DE (1) | DE4404374C1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6348113B1 (en) | 1998-11-25 | 2002-02-19 | Cabot Corporation | High purity tantalum, products containing the same, and methods of making the same |
DE10335448B4 (en) * | 2002-09-04 | 2016-07-21 | H.C. Starck Gmbh | Process for recovering and separating tantalum and niobium from tantalum raw materials |
AT506547B1 (en) | 2006-03-07 | 2013-02-15 | Cabot Corp | METHOD FOR PRODUCING DEFORMED METAL OBJECTS |
WO2017061331A1 (en) * | 2015-10-07 | 2017-04-13 | 京セラ株式会社 | Adsorbent and compound recovery method using same |
CN111057879A (en) * | 2020-01-02 | 2020-04-24 | 荆门德威格林美钨资源循环利用有限公司 | Process method for separating tantalum and niobium elements from hard alloy |
CN111690827B (en) * | 2020-07-01 | 2022-07-15 | 江西拓泓新材料有限公司 | Method for recovering tantalum resource from potassium fluotantalate crystallization mother liquor |
JP6996798B1 (en) * | 2021-05-31 | 2022-01-17 | 株式会社アサカ理研 | Manufacturing method of tantalum oxide |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2962372A (en) * | 1958-01-17 | 1960-11-29 | Union Carbide Corp | Columbium and tantalum separation |
US2950966A (en) * | 1958-06-20 | 1960-08-30 | Nat Distillers Chem Corp | Recovery of tantalum values |
US3117833A (en) * | 1958-09-25 | 1964-01-14 | Fansteel Metallurgical Corp | Process of purifying and separating columbium and tantalum values from each other |
DE4021207A1 (en) * | 1990-07-03 | 1992-01-16 | Starck Hermann C Fa | PROCESS FOR OBTAINING AND SEPARATING TANTAL AND NIOB |
-
1994
- 1994-02-11 DE DE4404374A patent/DE4404374C1/en not_active Expired - Fee Related
-
1995
- 1995-02-07 AU AU11623/95A patent/AU700944B2/en not_active Ceased
- 1995-02-09 JP JP7043624A patent/JPH07252552A/en active Pending
- 1995-02-10 BR BR9500498A patent/BR9500498A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH07252552A (en) | 1995-10-03 |
AU700944B2 (en) | 1999-01-14 |
AU1162395A (en) | 1995-08-24 |
DE4404374C1 (en) | 1995-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
HO | Change of classification |
Free format text: ALTERADA DE INT. CL. 6 C22B 3/06, C01B 33/00 |
|
FG9A | Patent or certificate of addition granted | ||
B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2256 DE 01/04/2014 POR TER SIDO INDEVIDA. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 18A, 19A E 20A ANUIDADES. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2605 DE 08-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |