ATE4794T1 - Verfahren zum wiedergewinnen von in phosphatverbindungen enthaltenem uran. - Google Patents

Verfahren zum wiedergewinnen von in phosphatverbindungen enthaltenem uran.

Info

Publication number
ATE4794T1
ATE4794T1 AT79400627T AT79400627T ATE4794T1 AT E4794 T1 ATE4794 T1 AT E4794T1 AT 79400627 T AT79400627 T AT 79400627T AT 79400627 T AT79400627 T AT 79400627T AT E4794 T1 ATE4794 T1 AT E4794T1
Authority
AT
Austria
Prior art keywords
dialkyl
pyrophosphoric acid
organic phase
uranium
ammonium
Prior art date
Application number
AT79400627T
Other languages
English (en)
Inventor
Jean-Michel Demarthe
Serge Solar
Original Assignee
Compagnie Francaise Des Minerais D'uranium
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 Compagnie Francaise Des Minerais D'uranium filed Critical Compagnie Francaise Des Minerais D'uranium
Application granted granted Critical
Publication of ATE4794T1 publication Critical patent/ATE4794T1/de

Links

Classifications

    • 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
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
    • C22B60/026—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries liquid-liquid extraction with or without dissolution in organic solvents

Landscapes

  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
AT79400627T 1978-09-08 1979-09-07 Verfahren zum wiedergewinnen von in phosphatverbindungen enthaltenem uran. ATE4794T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7825815A FR2435444A1 (fr) 1978-09-08 1978-09-08 Procede pour la recuperation de l'uranium contenu dans des composes phosphates
EP79400627A EP0011516B1 (de) 1978-09-08 1979-09-07 Verfahren zum Wiedergewinnen von in Phosphat-Verbindungen enthaltenem Uran

Publications (1)

Publication Number Publication Date
ATE4794T1 true ATE4794T1 (de) 1983-10-15

Family

ID=9212434

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79400627T ATE4794T1 (de) 1978-09-08 1979-09-07 Verfahren zum wiedergewinnen von in phosphatverbindungen enthaltenem uran.

Country Status (4)

Country Link
EP (1) EP0011516B1 (de)
AT (1) ATE4794T1 (de)
DE (1) DE2966225D1 (de)
FR (1) FR2435444A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652431A (en) * 1981-02-26 1987-03-24 Prodeco, Inc. Process for recovering uranium using an alkyl pyrophosphoric acid and alkaline stripping solution
US4652432A (en) * 1981-02-26 1987-03-24 Prodeco, Inc. Process for recovering uranium using an alkyl pyrophosphoric acid and alkaline stripping solution
US4490336A (en) * 1981-05-27 1984-12-25 Prodeco, Inc. Process for stripping uranium from an alkyl pyrophosphoric acid
FR2531697B1 (fr) * 1982-08-12 1985-06-28 Pechiney Ugine Kuhlmann Uran Procede de valorisation de l'uranium et des terres rares contenus dans de l'uf4 impur provenant de l'extraction de l'uranium de l'acide phosphorique
DE3311245A1 (de) * 1983-03-28 1984-10-04 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur abtrennung von uran aus phosphorsaeuren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830872A (en) * 1952-10-03 1958-04-15 Robert F Mccullough Recovery of uranium values from phosphate rock
US2866680A (en) * 1955-03-02 1958-12-30 Ray S Long Alkyl pyrophosphate metal solvent extractants and process
US2883123A (en) * 1955-08-11 1959-04-21 Joseph C Finnigan Safety apparatus for use on a motor vehicle

Also Published As

Publication number Publication date
FR2435444B1 (de) 1981-01-16
EP0011516B1 (de) 1983-09-28
EP0011516A1 (de) 1980-05-28
FR2435444A1 (fr) 1980-04-04
DE2966225D1 (en) 1983-11-03

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee