Estudio de separación de fases en sistemas líquido-líquido usando LIX 984N en fase orgánica

The entrainment of the organic phase in the aqueous applied to typical solutions in a solvent extraction of copper process was studied. The organic phase used is composed of the commercial extractant LIX 984-N diluted in Shellsol 2046 AR. The aqueous phase contains 6 g/L of Cu2+, at pH 2 and 20 ºC. The variables studied were: mixing speed of 400 to 1000 rpm; mixing time of 3 to 30 minutes; initial pH of the electrolyte 2, 3, and 4; percentage of extractant in the organic phase 10 to 30% v/v; and copper concentration in the aqueous phase 1 to 6 g/L. It was determined that the entrainment of the organic phase in the aqueous is determined by the physical properties of the phases in equilibrium and by the system’s hydrodynamics, and it is a phenomenon that involves the advancing speed of the interphase (or dispersion band) and the displacement speed of the organic drops.

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Experimental study of phase entrainment in copper solvent extraction

Donoso

Riquelme

Castillo

et al. 2020

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Estudio de separación de fases en sistemas líquido-líquido usando LIX 984N en fase orgánica

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Experimental study of phase entrainment in copper solvent extraction

Experimental study of phase entrainment in copper solvent extraction

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