Process of liquid-liquid extraction of metals, with the aid of a

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...

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B01D 1104

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active

045553432

ABSTRACT:
Extraction of a metal compound from an aqueous solution by means of a hydrophobic liquid, with the production of a microemulsion; the aqueous solution has a pH of about 0.5 to 8; the surfactant employed for formation of the microemulsion is nonionic or anionic.

REFERENCES:
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patent: 3779907 (1973-12-01), Li et al.
patent: 3880752 (1975-04-01), Premo
patent: 4283290 (1981-08-01), Davies
patent: 4292181 (1981-09-01), Li et al.
Friberg, Stig; "Microemulsions and their Potentials" Chemtech, 2/1976, pp. 124-127.

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