Question: SO 2 air mixture containing 8 % SO 2 at 2 0 C and 1 atm is to be scrubbed with water in a sieve

SO2air mixture containing 8% SO2 at 20C and 1 atm is to be scrubbed with water in a sieve
plate column. The air and water flow rate is 32.6kg/m2 s. If 95% of SO2 is to be recovered.
Calculate the number of theoretical trays required. Equilibrium Data at 20C and 1 atm:

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