BR8803441A - Processo de separacao de terras raras por extracao liquido-liquido - Google Patents
Processo de separacao de terras raras por extracao liquido-liquidoInfo
- Publication number
- BR8803441A BR8803441A BR8803441A BR8803441A BR8803441A BR 8803441 A BR8803441 A BR 8803441A BR 8803441 A BR8803441 A BR 8803441A BR 8803441 A BR8803441 A BR 8803441A BR 8803441 A BR8803441 A BR 8803441A
- Authority
- BR
- Brazil
- Prior art keywords
- liquid
- separation
- rare land
- extraction
- liquid extraction
- Prior art date
Links
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
- C22B3/3842—Phosphinic acid, e.g. H2P(O)(OH)
-
- 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
- C22B3/3844—Phosphonic acid, e.g. H2P(O)(OH)2
-
- 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)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Geochemistry & Mineralogy (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8709796A FR2617829A1 (fr) | 1987-07-10 | 1987-07-10 | Procede de separation des terres rares par extraction liquide-liquide mettant en oeuvre des diluants halogenes ou du type acides carboxyliques |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8803441A true BR8803441A (pt) | 1989-01-31 |
Family
ID=9353053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8803441A BR8803441A (pt) | 1987-07-10 | 1988-07-08 | Processo de separacao de terras raras por extracao liquido-liquido |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0298843A1 (pt) |
JP (1) | JPH0193418A (pt) |
KR (1) | KR890001613A (pt) |
AU (1) | AU1887188A (pt) |
BR (1) | BR8803441A (pt) |
FR (1) | FR2617829A1 (pt) |
NO (1) | NO883038L (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2668763A1 (fr) * | 1990-11-07 | 1992-05-07 | Rhone Poulenc Chimie | Procede de separation de terres rares. |
CN110373543A (zh) * | 2019-08-26 | 2019-10-25 | 贵州省材料技术创新基地 | 一种酸性体系下烷基次膦酸萃取磷矿稀土元素的工艺 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2859092A (en) * | 1953-02-05 | 1958-11-04 | Richard H Bailes | Solvent extraction process for the recovery of metals from phosphoric acid |
US3230036A (en) * | 1963-09-18 | 1966-01-18 | Frederick A Kappelmann | Method for separating americium and curium from the lanthanide rare earths and yttrium |
US3378352A (en) * | 1965-12-15 | 1968-04-16 | Dow Chemical Co | Process for extracting thorium and rare earths |
GB1180921A (en) * | 1966-02-04 | 1970-02-11 | Thorium Ltd | Improvements in Separation Procedures. |
US3554693A (en) * | 1969-01-07 | 1971-01-12 | Atomic Energy Commission | Separation of scandium from rare earth elements |
DE2843574A1 (de) * | 1977-10-11 | 1979-04-19 | Mitsubishi Chem Ind | Verfahren zur abtrennung von yttriumionen |
FR2460275B1 (fr) * | 1979-06-29 | 1985-03-22 | Daihachi Chem Ind | Procede de separation de metaux des terres rares par extraction au solvant |
FR2460276A1 (fr) * | 1979-07-03 | 1981-01-23 | Rhone Poulenc Ind | Procede de traitement de melanges d'oxydes de terres rares et de gallium |
FR2562059B1 (fr) * | 1984-04-02 | 1989-12-01 | Rhone Poulenc Spec Chim | Procede de separation des terres rares par extraction liquide-liquide |
FR2580273B1 (fr) * | 1985-03-25 | 1990-01-05 | Rhone Poulenc Spec Chim | Procede de separation du cerium et de terres rares |
FR2594429A1 (fr) * | 1986-02-14 | 1987-08-21 | Rhone Poulenc Chimie | Procede d'elimination du plomb de terres rares |
-
1987
- 1987-07-10 FR FR8709796A patent/FR2617829A1/fr not_active Withdrawn
-
1988
- 1988-07-01 EP EP88401703A patent/EP0298843A1/fr not_active Withdrawn
- 1988-07-07 NO NO88883038A patent/NO883038L/no unknown
- 1988-07-08 AU AU18871/88A patent/AU1887188A/en not_active Abandoned
- 1988-07-08 JP JP63169132A patent/JPH0193418A/ja active Pending
- 1988-07-08 BR BR8803441A patent/BR8803441A/pt unknown
- 1988-07-09 KR KR1019880008535A patent/KR890001613A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPH0193418A (ja) | 1989-04-12 |
NO883038D0 (no) | 1988-07-07 |
EP0298843A1 (fr) | 1989-01-11 |
AU1887188A (en) | 1989-01-12 |
FR2617829A1 (fr) | 1989-01-13 |
KR890001613A (ko) | 1989-03-28 |
NO883038L (no) | 1989-01-11 |
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