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FR2397464A2 Expired / Lapsed FR ⏱️ 0.0 years remaining

PROCESS FOR RECOVERING GALLIUM FROM VERY BASIC SOLUTIONS BY LIQUID / LIQUID EXTRACTION

Assignee: Rhone Poulenc Industries SA
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Filing: 1977-07-13
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Granted: —
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Expires: 1997-07-13
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Abstract

Abstract Translated from French La présente invention concerne un perfectionnement au procédé de récupération du gallium de solutions très basiques par extraction liquide/liquide au moyen d'une phase organique selon le brevet principal. La phase organique est constituée d'un solvant et principalement d'hydroxy-8 quinoléine substituée insoluble dans l'eau. Selon le procédé de réalisation préféré de l'invention, on effectue la phase d'extraction du gallium sous atmosphère d'azote ou d'argon. Le procédé est particulièrement applicable à la récupération du gallium de lessives d'aluminate de sodium du procédé BAYER. The present invention relates to an improvement to the process for recovering gallium from very basic solutions by liquid / liquid extraction by means of an organic phase according to the main patent. The organic phase consists of a solvent and mainly of substituted 8-hydroxyquinoline insoluble in water. According to the preferred embodiment of the invention, the gallium extraction phase is carried out under a nitrogen or argon atmosphere. The process is particularly applicable to the recovery of gallium from sodium aluminate lyes of the BAYER process.

Inventors

  • 👤 Jacques Helgorsky
  • 👤 Alain Leveque

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-09 04:14
CPC Classifications
C; C01; C01G; C01G15/00; C01G15/003; C22; C22B; C22B3/00; C22B3/20; C22B3/26; C22B3/36; C22B3/362; C22B3/364; Y; Y02; Y02P; Y02P10/00; Y02P10/20

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