BR8803440A - Processo de separacao de terras raras por extracao liquido-liquido - Google Patents
Processo de separacao de terras raras por extracao liquido-liquidoInfo
- Publication number
- BR8803440A BR8803440A BR8803440A BR8803440A BR8803440A BR 8803440 A BR8803440 A BR 8803440A BR 8803440 A BR8803440 A BR 8803440A BR 8803440 A BR8803440 A BR 8803440A BR 8803440 A BR8803440 A BR 8803440A
- Authority
- BR
- Brazil
- Prior art keywords
- liquid
- separation
- rare land
- extraction
- liquid extraction
- Prior art date
Links
- 238000000622 liquid--liquid extraction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
- 238000000638 solvent extraction Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/10—Preparation or treatment, e.g. separation or purification
- C01F17/17—Preparation or treatment, e.g. separation or purification involving a liquid-liquid extraction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
-
- 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
-
- 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
- C22B3/40—Mixtures
- C22B3/409—Mixtures at least one compound being an organo-metallic compound
-
- 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)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8709795A FR2617828B1 (fr) | 1987-07-10 | 1987-07-10 | Procede de separation des terres rares par extraction liquide-liquide mettant en oeuvre des diluants du type fluores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8803440A true BR8803440A (pt) | 1989-01-31 |
Family
ID=9353052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8803440A BR8803440A (pt) | 1987-07-10 | 1988-07-08 | Processo de separacao de terras raras por extracao liquido-liquido |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0298842A1 (pt) |
| JP (1) | JPH0193417A (pt) |
| KR (1) | KR890001612A (pt) |
| AU (1) | AU1887088A (pt) |
| BR (1) | BR8803440A (pt) |
| FR (1) | FR2617828B1 (pt) |
| NO (1) | NO883037L (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5620056B2 (ja) * | 2008-10-10 | 2014-11-05 | スリーエム イノベイティブプロパティズカンパニー | フッ素系溶剤の精製方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3047601A (en) * | 1950-10-18 | 1962-07-31 | Johnson Oliver | Separation of thorium from rare earth values in aqueous acidic solution by solvent extraction with an alkyl phosphate-oxygen containing organic diluent |
| BE558856A (pt) * | 1956-06-29 | 1900-01-01 | ||
| US3812232A (en) * | 1972-08-15 | 1974-05-21 | Us Interior | Solvent extraction procedure for separating samarium from neodymium |
| US4016237A (en) * | 1975-09-08 | 1977-04-05 | The United States Of America As Represented By The United States Energy Research And Development Administration | Process for separation of the rare earths by solvent extraction |
| FR2460276A1 (fr) * | 1979-07-03 | 1981-01-23 | Rhone Poulenc Ind | Procede de traitement de melanges d'oxydes de terres rares et de gallium |
-
1987
- 1987-07-10 FR FR8709795A patent/FR2617828B1/fr not_active Expired - Lifetime
-
1988
- 1988-07-01 EP EP88401702A patent/EP0298842A1/fr not_active Withdrawn
- 1988-07-07 NO NO88883037A patent/NO883037L/no unknown
- 1988-07-08 JP JP63169131A patent/JPH0193417A/ja active Pending
- 1988-07-08 BR BR8803440A patent/BR8803440A/pt unknown
- 1988-07-08 AU AU18870/88A patent/AU1887088A/en not_active Abandoned
- 1988-07-09 KR KR1019880008534A patent/KR890001612A/ko not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP0298842A1 (fr) | 1989-01-11 |
| NO883037D0 (no) | 1988-07-07 |
| KR890001612A (ko) | 1989-03-28 |
| FR2617828B1 (fr) | 1990-12-07 |
| AU1887088A (en) | 1989-01-12 |
| JPH0193417A (ja) | 1989-04-12 |
| NO883037L (no) | 1989-01-11 |
| FR2617828A1 (fr) | 1989-01-13 |
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