Question: Solute A is to stripped from a liquid stream by contacting the liquid with a pure gas. The liquid enters the stripping tower at an

Solute A is to stripped from a liquid stream by contacting

Solute A is to stripped from a liquid stream by contacting the liquid with a pure gas. The liquid enters the stripping tower at an A-free rate of 150kgmol/h and contains 30mol%A. The gas enters the tower at a rate of 500kgmol/h. Determine the number of stages required to reduce the concentration of A in the exiting liquid stream to 1mol%. Equilibrium data is given by y=0.4x

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