Question

An aqueous feed solution of 1000 kg/h containing 23.5 wt % acetone and rest water is to be extracted in a countercurrent multistage extraction system using pure methyl isobutyl ketone solvent. The outlet water raffinate will contain 2.5 wt % acetone.
(a) Calculate the minimum solvent rate that can be used.
(b) Using a solvent flow rate of 1.5 times the minimum, calculate the number theoretical stages.
Equilibrium data;

Answer 1

Answer:

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Explanation: