DE3766119D1 - Verfahren zum entfernen von blei aus seltenerdmetallen. - Google Patents

Verfahren zum entfernen von blei aus seltenerdmetallen.

Info

Publication number
DE3766119D1
DE3766119D1 DE8787400276T DE3766119T DE3766119D1 DE 3766119 D1 DE3766119 D1 DE 3766119D1 DE 8787400276 T DE8787400276 T DE 8787400276T DE 3766119 T DE3766119 T DE 3766119T DE 3766119 D1 DE3766119 D1 DE 3766119D1
Authority
DE
Germany
Prior art keywords
rare earth
organic phase
earth metals
removing lead
extraction
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 - Fee Related
Application number
DE8787400276T
Other languages
English (en)
Inventor
Alain Rollat
Jean-Louis Sabot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of DE3766119D1 publication Critical patent/DE3766119D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • 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
    • C22B59/00—Obtaining rare earth metals
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Analytical Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Magnetic Heads (AREA)
DE8787400276T 1986-02-14 1987-02-06 Verfahren zum entfernen von blei aus seltenerdmetallen. Expired - Fee Related DE3766119D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8602006A FR2594429A1 (fr) 1986-02-14 1986-02-14 Procede d'elimination du plomb de terres rares

Publications (1)

Publication Number Publication Date
DE3766119D1 true DE3766119D1 (de) 1990-12-20

Family

ID=9332122

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787400276T Expired - Fee Related DE3766119D1 (de) 1986-02-14 1987-02-06 Verfahren zum entfernen von blei aus seltenerdmetallen.

Country Status (9)

Country Link
EP (1) EP0233121B1 (de)
JP (1) JPS62253739A (de)
KR (1) KR870007846A (de)
AT (1) ATE58398T1 (de)
AU (1) AU593061B2 (de)
BR (1) BR8700668A (de)
DE (1) DE3766119D1 (de)
FR (1) FR2594429A1 (de)
MY (1) MY101053A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617829A1 (fr) * 1987-07-10 1989-01-13 Rhone Poulenc Chimie Procede de separation des terres rares par extraction liquide-liquide mettant en oeuvre des diluants halogenes ou du type acides carboxyliques
JPH01246328A (ja) * 1988-03-28 1989-10-02 Agency Of Ind Science & Technol スカンジウムの補集方法
CA2277417A1 (en) * 1999-07-09 2001-01-09 Cytec Technology Corp. Stripping lanthanide-loaded solutions
JP5720583B2 (ja) * 2012-01-13 2015-05-20 信越化学工業株式会社 液−液抽出装置、これを用いた多段液−液抽出装置及び希土類元素の多段連続抽出装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110556A (en) * 1957-04-10 1963-11-12 Donald F Peppard Process for separating yttrium from the rare earths by solvent extraction
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
US3615171A (en) * 1970-06-15 1971-10-26 George W Mason Process of separating yttrium from lanthanide rare earths
JPS5924168B2 (ja) * 1977-05-14 1984-06-07 株式会社大八化学工業所 溶媒抽出法によるコバルトとニツケルの分離方法
JPS5438273A (en) * 1977-08-31 1979-03-22 Daihachi Chem Ind Method of extracting metals from aqueous solution
JPS5493672A (en) * 1977-12-31 1979-07-24 Daihachi Chem Ind Method of separating rare earth metals each other by solvent extraction
US4246240A (en) * 1978-07-24 1981-01-20 Nippon Mining Co., Ltd. Process for separating cobalt and nickel from a solution containing cobalt and nickel
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
JPS5884118A (ja) * 1981-11-11 1983-05-20 Mitsubishi Chem Ind Ltd 希土類の分離法
FR2535217B1 (fr) * 1982-10-29 1989-08-18 Ceca Sa Procede de recuperation de metaux lourds a partir de solutions acides
FR2539549B1 (fr) * 1983-01-17 1988-10-14 Rhone Poulenc Chim Base Procede de recuperation globale de l'uranium, de l'yttrium, du thorium et des terres rares contenus dans une phase organique

Also Published As

Publication number Publication date
MY101053A (en) 1991-07-16
ATE58398T1 (de) 1990-11-15
EP0233121B1 (de) 1990-11-14
KR870007846A (ko) 1987-09-22
BR8700668A (pt) 1987-12-15
AU6878687A (en) 1987-08-20
FR2594429A1 (fr) 1987-08-21
EP0233121A1 (de) 1987-08-19
JPS62253739A (ja) 1987-11-05
AU593061B2 (en) 1990-02-01

Similar Documents

Publication Publication Date Title
ATE53239T1 (de) Verfahren zur trennung von seltenen erden.
DE3061208D1 (en) Process for treating mixtures of rare earth oxides and gallium oxides
ATE92894T1 (de) Verfahren zur rueckgewinnung von germanium aus germanium enthaltenden loesungen.
DE3775821D1 (de) Verfahren zur wiedergewinnung von aminsaeuren aus waesserigen mischungen.
DE69011501D1 (de) Verfahren zum Extrahieren von Anionen mittels quarternärer Amine.
BR8305136A (pt) Processo de recuperacao de sistemas de catalisadores hidrossoluveis
ATE45388T1 (de) Verfahren zur fluessig-fluessig-extraktion von germanium oder indium aus waessrigen loesungen.
ATE60309T1 (de) Fluessig-fluessig-extraktionsverfahren von zink.
ATE19390T1 (de) Verfahren zur wiedergewinnung von insulin.
ATE13040T1 (de) Verfahren zur extraktion von schwermetallionen aus waessrigen loesungen.
ATE2947T1 (de) Verfahren zur wiedergewinnung von in unreiner phosphorsaeure anwesendem uran.
DE3766119D1 (de) Verfahren zum entfernen von blei aus seltenerdmetallen.
DE3872013D1 (de) Verfahren zum fluessig-fluessig extrahieren von seltenen erden.
ATE76092T1 (de) Wiedergewinnungsverfahren von loetmittelextraktionsloesungen.
GB1428278A (en) Selective extraction of zinc cadmium and indium from aqueous solutions
DE3865510D1 (de) Verfahren zur beseitigung von radioaktivitaet aus abwaessern durch fluessig-fluessig-extraktion.
KR910018309A (ko) 이트륨(Yttrium)의 분리 방법
DE3878120D1 (de) Verfahren zur rueckgewinnung von gallium mittels fluessig-fluessig-extraktion.
ATE127100T1 (de) Verfahren zur reinigung und rückgewinnung von orthophosphorsäure mittels flüssig-flüssig- extraktion.
ATE9457T1 (de) Verfahren und extraktionsmittel zum entfernen von fluorverbindungen aus waessriger phosphorsaeure.
Rollat et al. Process for Removing Lead From Rare Earths
ATE81157T1 (de) Verfahren zur rueckgewinnung von gallium.
DE69410613D1 (de) Verfahren zur gewinnung von metallen
ES8403975A1 (es) Metodo para recuperar uranio a partir de un coprecipitado de silicato-uranio.
RU96104389A (ru) Способ извлечения металла из его органического комплекса

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee