Liquid-liquide extraction for metals, using a micro-emulsion...

Details Liquid-liquide extraction for metals, using a micro-emulsion... Liquid-liquide extraction for metals, using a micro-emulsion...

C - Chemistry, Metallurgy

22

B

53/375

C22B 3/00 (2006.01) B01D 61/40 (2006.01)

Patent

CA 1186157

PRECIS DE LA DIVULGATION: Extraction d'un composé métallique, notamment des groupes II à VIII de la Classification Périodique des Eléments, à partir d'une solution aqueuse, au moyen d'un liquide hydro- phobe et en présence d'un agent tensio-actif, avec production d'une microémulsion. Selon l'invention, la solution aqueuse présente un pH d'environ 0,5 à 8 et l'agent tensio-actif, employé pour la création de la microémulsion, est non ionique ou anionique.

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