cked column is to be designed for the following distillation system: Vapour Liquid Flow rate (kg/h) 19 500 16 500 Density (kg/m3) 2.50 625 Viscosity (mPas) 1.2 Consider a 2-inch metal Pall Ring packing. Estimate the diameter of the column for a: 2.1 Percentage flooding of 80% (also calculate the pressure drop). (9) 2.2 Pressure drop of 60 mm/m (also calculate the percentage floodi