Nicotine in a water solution containing $2 \%$ nicotine is to be extracted with kerosene at $293 \mathrm{~K}$. Water and kerosene are essentially insoluble in each other. Determine the percentage extraction of nicotine if $100 \mathrm{~kg}$ of the feed solution is extracted in a sequence of four batch ideal extractions using $49.0 \mathrm{~kg}$ fresh, pure kerosene each. The equilibrium data are given as follows (Claffey et al., 1950):

Transcribed Image Text:

X' x 103 kg nicotine/kg water Y' x 103 kg nicotine/kg kerosene 1.01 0.81 2.46 1.96 5.02 4.56 7.51 6.86 9.98 9.13 20.4 18.7