Question: please solve every steps clearly Problem 2. ( 33.3 Points) A vapor stream containing 3.0 mole % of benzene is scrubbed with wash oil in

please solve every steps clearly

Problem 2. ( 33.3 Points) A vapor stream containing 3.0 mole % of benzene is scrubbed with wash oil in a packed absorber to reduce the benzene concentration in the gas to 0.02 %. The oil has an average molecular weight of 250 and density of 54.6 lb/ft3 and contains 0.015 % benzene. The gas flow rate is 1500 ft3/min at 250C and 1 atm. If the scrubber operates isothermally at 250C with liquid rate of 14000 lb/h. How many transfer units are required

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