Assignment:
Pressure drop in beds packed with second-generation random packings A packed tower is to be designed for the countercurrent contact of a benzene-nitrogen gas mixture with kerosene to wash out the benzene from the gas. The gas enters the tower at the rate of 1.5 m3/s, measured at 110 Wa and 298 K, containing 5 mol% benzene. Essentially, all the benzene is absorbed by the kerosene. The liquid enters the tower at the rate of 4.0 kg/s; the liquid density is 800 kg/m3 and the viscosity is 2.3 cP. The packing will be 50-mm metal Pall rings, and the tower diameter will be chosen to produce a gas-pressure drop of 400 Pdm of irrigated packing.
Provide complete and step by step solution for the question and show calculations and use formulas.