Compound A is extracted from a solution of A + B into a pure solvent S. A Co-current unit is used for the liquid-liquid extraction. The inlet rate of the solution containing A is 200 moles of B/hr.m and the solvent flow, rate is 400 moles of S/m. hr. The equilibrium data is represented by Y = 3X , where Y is in moles of a A/moles of B and X is in moles A/moles of S. The maximum percentage extraction achieved in the unit is

Compound A is extracted from a solution of A + B into a pure solvent S

1.	Compound A is extracted from a solution of A + B into a pure solvent S. A Co-current unit is used for the liquid-liquid extraction. The inlet rate of the solution containing A is 200 moles of B/hr.m and the solvent flow, rate is 400 moles of S/m. hr. The equilibrium data is represented by Y = 3X , where Y is in moles of a A/moles of B and X is in moles A/moles of S. The maximum percentage extraction achieved in the unit is
A.	25%
B.	50%
C.	70%
D.	90%
Answer» C. 70%

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