Calculate packing height required for the desired separation

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Reference no: EM131047943

Solute A is to be absorbed from a binary mixture containing 7.5% of A with solvent B in a packed tower. Based on flooding calculation, a tower diameter of 1.2 m is selected. Total gas flow rate is 60 kmol/hr. The exit gas must not contain more than 0.2% of solute A. Solute free liquid B enters from the top of the tower at 40 kmol/hr. The gas phase and liquid phase mass transfer coefficients based on mole ratio unit are: kX =2.05 kmol/m2h (?X) and kY =1.75 kmol/hr.m^2 (?Y). The equilibrium line Equation is Y=0.63X. Specific interfacial area of gas-liquid contact (a) is 71 (m^2)/(m^3).

(a) Calculate packing height required for the desired separation.

(b) For 99.5% solute A removal, what % increase in packed height is needed?

Attachment:- 1566697_1_Packing-height-of-gas-absorption-tower.pdf

Reference no: EM131047943

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