Chemical Engineering > GATE 2012 > Liquid-Liquid Extraction
A counter-current extraction column is designed to remove 99% of solute C from a solution of solvent A
and solute C using pure solvent B. The initial concentration of solute in the solution of A + C is 20 wt %,
and the total flow of solution is 1000 kg/h. If the equilibrium relationship is Y =2X , where
Y= mass of C/mass of A and X= mass of C/mass of B.
If the flow rate of B is 2400 kg/h, then the theoretical number of stages in the column, using Kremser's equation (adjusted to the next integer) is
If the flow rate of B is 2400 kg/h, then the theoretical number of stages in the column, using Kremser's equation (adjusted to the next integer) is
Explanation
Correct : b
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