Abstract
Mass transfer of Te(IV) between an aqueous and an organic phase was studied in a modified Lewis cell. The organic phase was composed of tri-n-butyl phosphate in kerosene. The transfer rate of Te(IV) from aqueous to the organic phase was very fast. Based on experimental results, a mass transfer model was developed to indicate reaction front position and extent of extraction of Te(IV) under different experimental conditions. The effect of Reynolds number and extractant concentration on the extent of extraction was also studied both experimentally and theoretically. The results showed that, under the conditions of the experiments, the overall rate is diffusion controlled.
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