Benzene and toluene are separated in a multi-stage distillation column. The feed flow rate is 100 mol s-1 and the distillate flow rate is 60 mol s-1. The reflux ratio is 2.6 and the recovery of benzene is 90%. The pressure can be assumed to be 1.5 atm throughout the column. The feed is 50% vapour and 50% liquid on a molar basis in equilibrium at 1.5 atm. The mole fraction of benzene in the liquid phase of the feed is 0.5.
i) Calculate the mole fractions of benzene in the distillate and in the bottom product.
The question belongs to Chemical Engineering and it discusses about calculation of mole fractions of benzene in distillate and in bottom product.
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