DE3249356C2 - - Google Patents
Info
- Publication number
- DE3249356C2 DE3249356C2 DE3249356A DE3249356A DE3249356C2 DE 3249356 C2 DE3249356 C2 DE 3249356C2 DE 3249356 A DE3249356 A DE 3249356A DE 3249356 A DE3249356 A DE 3249356A DE 3249356 C2 DE3249356 C2 DE 3249356C2
- Authority
- DE
- Germany
- Prior art keywords
- solution
- tantalum
- ppm
- organic phase
- sulfuric acid
- Prior art date
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
-
- 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
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/382—Phosphine chalcogenides, e.g. compounds of the formula R3P=X with X = O, S, Se or Te
-
- 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
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823249356 DE3249356A1 (de) | 1982-11-12 | 1982-11-12 | Verfahren zur herstellung einer tantalloesung fuer die darstellung von hochreinem tantaloxid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823241832 DE3241832A1 (de) | 1982-11-12 | 1982-11-12 | Verwendung einer loesung von topo fuer die trennung und herstellung hochreiner oxide von tantal und niob |
DE19823249356 DE3249356A1 (de) | 1982-11-12 | 1982-11-12 | Verfahren zur herstellung einer tantalloesung fuer die darstellung von hochreinem tantaloxid |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3249356A1 DE3249356A1 (de) | 1984-05-17 |
DE3249356C2 true DE3249356C2 (enrdf_load_stackoverflow) | 1987-06-19 |
Family
ID=25805714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823249356 Granted DE3249356A1 (de) | 1982-11-12 | 1982-11-12 | Verfahren zur herstellung einer tantalloesung fuer die darstellung von hochreinem tantaloxid |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3249356A1 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0156617A3 (en) * | 1984-03-19 | 1988-03-23 | Solex Research Corporation of Japan | Production of metal fluorides |
Family Cites Families (1)
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 |
-
1982
- 1982-11-12 DE DE19823249356 patent/DE3249356A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3249356A1 (de) | 1984-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0627013B1 (de) | Verfahren zur abtrennung von störelementen aus wertmetall-lösungen | |
DE3725611A1 (de) | Verfahren zur gemeinsamen abtrennung von stoerelementen aus wertmetall-elektrolytloesungen | |
EP0034391A1 (de) | Verwendung einer Blei-Legierung für Anoden bei der elektrolytischen Gewinnung von Zink | |
DE2816241C2 (de) | Verfahren zur Gewinnung von Uranverbindungen aus einer rohen Naßverfahren-Phosphorsäurelösung | |
DE3249356C2 (enrdf_load_stackoverflow) | ||
DE3002339C2 (enrdf_load_stackoverflow) | ||
DE3872013T2 (de) | Verfahren zum fluessig-fluessig extrahieren von seltenen erden. | |
DE3249354C2 (enrdf_load_stackoverflow) | ||
DE2252904A1 (de) | Verfahren zum vermindern der loeslichkeit von blei in bleihaltigen glasuren und fritten | |
DE3440087C2 (de) | Verfahren zur Abtrennung von Antimon aus einer wässrigen Lösung von Oxyfluorniobsäure und Fluorwasserstoff | |
DE2537354C3 (de) | Verfahren zur Herstellung von kristallinem Kaliumtantalfluorid | |
EP0106118B1 (de) | Verfahren zum Abtrennen von Arsen aus einem Kupferelektrolyten | |
DE3241832C2 (enrdf_load_stackoverflow) | ||
DE2704181A1 (de) | Fluessig-fluessig-extraktion von nickel | |
DE2365882B2 (de) | Verfahren zur Reinigung einer rohen Naßphosphorsäure durch Extraktion mit Methylisoburylketon | |
DE3874690T2 (de) | Hydrometallurgische behandlung indiumchloridhaltiger loesungen. | |
DD276108A5 (de) | Verfahren zur abtrennung von antimon aus sauren antimonhaltigen loesungen | |
DE879571C (de) | Verfahren zur Verbesserung von Aluminium-Oxydschichten als Dielektrikum in Elektrolytkondensatoren | |
DE1199506B (de) | Verfahren zum Aufarbeiten von Zinkblende | |
DE865171C (de) | Verfahren zur selektiven Extraktion und extraktiven Destillation von Kohlenwasserstoffgemischen | |
DE593827C (de) | Isolieroel | |
DE741037C (de) | Reinigung von Arsensaeure | |
DE2753820A1 (de) | Reinigung von phosphorsaeure | |
DE628101C (de) | Verfahren zur Enfernung des Wismuts aus wismuthaltigem Kupfer | |
DE1592263C3 (de) | Verfahren zur Trennung von Kobalt und Nickel aus einer kobalt- und nickelhaltigen wäßrigen alkalischen Lösung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AC | Divided out of |
Ref country code: DE Ref document number: 3241832 Format of ref document f/p: P |
|
OP8 | Request for examination as to paragraph 44 patent law | ||
AC | Divided out of |
Ref country code: DE Ref document number: 3241832 Format of ref document f/p: P |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: ECKERT, JOACHIM, DR., 3388 BAD HARZBURG, DE BAUER, |
|
8339 | Ceased/non-payment of the annual fee |