Process for reducing organic solvant losses during treatment...

Details Process for reducing organic solvant losses during treatment... Process for reducing organic solvant losses during treatment...

C - Chemistry, Metallurgy

22

B

53/375

C22B 3/00 (2006.01) C22B 3/38 (2006.01) C22B 60/02 (2006.01)

Patent

CA 1146763

PRECIS DE LA DIVULGATION: L'invention concerne un procédé de traitement d'une suspension hydrométallurgique résultant de l'attaque acide d'un minerai contenant au moins un élément métallique à valoriser, et des matières minérales inattaquables dont une fraction est formée d'argile, consistant à extraire l'élément métallique à valoriser, passé en solution lors de l'attaque, au moyen d'un solvant organique appartenant au groupe des alkylphosphates qui se caractérise par l'introduction d'un phosphate minéral condensé dans le milieu d'attaque du minerai, dans le but de limiter les pertes par. adsorption du solvant organique d'extraction par les argiles. Le procédé s'applique plus particulièrement aux minerais uranifères, molybdénifères, vanadifères et cobaltifères.

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