抄録
A mass transfer model for the extraction of amine in W/O/W emulsion systems having internal aqueous HCl solution phase is presented which takes into account the diffusion in W/O emulsion drops as well as the external mass transfer around W/O emulsion drops, and the effect of various parameters on the extraction rate is clarified. Experimental data on the extraction of aniline, p-and m-toluidine by W/O/W emulsion systems using a batch-type agitation vessel is discussed on the basis of the present model. It is found that the model can explain the tendency of the experimental data. The mass transfer mechanism in W/O emulsion drops is discussed on the basis of the experimentally evaluated value of effective diffusivity in W/O emulsion drops.
