Question: Ammonia is stripped from a dilute aqueous solution by countercurrent contact with air in a column containing seven sieve trays. The equilibrium relationship is ye=0.8xe,

Ammonia is stripped from a dilute aqueous solution by countercurrent contact with air in a column containing seven sieve trays. The equilibrium relationship is ye=0.8xe, and when the molar flow of air is 1.5 times that of the solution, 90% of the ammonia is removed. A, How many ideal stages does the column have and what is the stage efficiency? b, under what thermodynamic conditions is the column operating? (Temperature/Pressure)

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