FR2233284A1 - Rare earth metals sepn. and purificn. - by liq.-liq. extraction with di-(2-ethylhexyl)-phosphoric acid soln. - Google Patents

Rare earth metals sepn. and purificn. - by liq.-liq. extraction with di-(2-ethylhexyl)-phosphoric acid soln.

Info

Publication number
FR2233284A1
FR2233284A1 FR7420776A FR7420776A FR2233284A1 FR 2233284 A1 FR2233284 A1 FR 2233284A1 FR 7420776 A FR7420776 A FR 7420776A FR 7420776 A FR7420776 A FR 7420776A FR 2233284 A1 FR2233284 A1 FR 2233284A1
Authority
FR
France
Prior art keywords
liq
sepn
ethylhexyl
phosphoric acid
extn
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.)
Granted
Application number
FR7420776A
Other languages
English (en)
Other versions
FR2233284B1 (fr
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.)
SJELDNE JORDARTER FORSKNING
Original Assignee
SJELDNE JORDARTER FORSKNING
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 SJELDNE JORDARTER FORSKNING filed Critical SJELDNE JORDARTER FORSKNING
Publication of FR2233284A1 publication Critical patent/FR2233284A1/fr
Application granted granted Critical
Publication of FR2233284B1 publication Critical patent/FR2233284B1/fr
Granted 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
    • C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
FR7420776A 1973-06-15 1974-06-14 Rare earth metals sepn. and purificn. - by liq.-liq. extraction with di-(2-ethylhexyl)-phosphoric acid soln. Granted FR2233284A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO2492/73A NO131338C (fr) 1973-06-15 1973-06-15

Publications (2)

Publication Number Publication Date
FR2233284A1 true FR2233284A1 (en) 1975-01-10
FR2233284B1 FR2233284B1 (fr) 1977-10-07

Family

ID=19878884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7420776A Granted FR2233284A1 (en) 1973-06-15 1974-06-14 Rare earth metals sepn. and purificn. - by liq.-liq. extraction with di-(2-ethylhexyl)-phosphoric acid soln.

Country Status (4)

Country Link
JP (1) JPS5638662B2 (fr)
DE (1) DE2428952C3 (fr)
FR (1) FR2233284A1 (fr)
NO (1) NO131338C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5782954U (fr) * 1980-11-11 1982-05-22

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1261200A (en) * 1968-11-12 1972-01-26 Thorium Ltd Separation procedure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
NO131338B (fr) 1975-02-03
NO131338C (fr) 1975-05-14
DE2428952A1 (de) 1975-01-02
JPS5638662B2 (fr) 1981-09-08
JPS5036310A (fr) 1975-04-05
NO249273L (fr) 1975-01-13
DE2428952C3 (de) 1980-07-24
DE2428952B2 (de) 1979-11-15
FR2233284B1 (fr) 1977-10-07

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Legal Events

Date Code Title Description
ST Notification of lapse