Which separation process of bioseparation involves the inter-phase mass transfer of solutes?

Which separation process of bioseparation involves the inter-phase mass transfer of solutes? Correct Answer Liquid-liquid extraction, membrane separation, leaching, chromatography

Liquid-liquid extraction, membrane separation, leaching, chromatography are the separation processes of bioseparation which involves inter-phase mass transfer of solutes. The way of describing the inter-phase mass transfer is to use mass-transfer coefficients based on the difference between the bulk solutions in one phase and the equilibrium constant in the other phase.
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