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EP0021990A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for treating mixtures of rare earth oxides and gallium oxides

Assignee: Rhone Poulenc Recherches SA
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Filing: 1980-06-18
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Granted: —
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Expires: 2000-06-18
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Abstract

Abstract Translated from French La présente invention concerne un procédé de traitement de mélanges d'oxydes de terres rares et de gallium. The present invention relates to a method for treating mixtures of rare earth oxides and gallium. Elle a trait, plus particulièrement, à la récupération des matières premières provenant des résidus de fabrication des grenats de gallium et des terres rares par mise en solution puis séparation par extraction liquide/liquide du gallium et des terres rares dans deux solutions au moyen d'agents d'extraction anioniques, solvatants ou cationiques. It relates, more particularly, to the recovery of raw materials from the residues of manufacture of gallium garnets and rare earths by dissolving then separation by liquid / liquid extraction of gallium and rare earths in two solutions by means of anionic, solvating or cationic extractants. Le procédé est, en particulier, applicable à la récupération du gallium et du gadolinium provenant des résidus defabrica- tion des grenats Gd 3 Ga, O 12 . The process is, in particular, applicable to the recovery of gallium and gadolinium from the residues of manufacture of garnets Gd 3 Ga, O 12 .

Inventors

  • 👤 Alain Leveque
  • 👤 Michel Triollier

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 03:52
CPC Classifications
C; C22; C22B; C22B58/00; C01; C01F; C01F17/00; C01F17/10; C01F17/17; C01F17/20; C01F17/276; C01G; C01G15/00; C01G15/003; C22B3/00; C22B3/20; C22B3/26; C22B59/00; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/14

Claims Analysis

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References Cited (Backward Citations)

US3151946A Cited
DE1190196B Cited
US3920450A Cited
FR2397464A2 Cited

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