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Ternary Mixture Separation a ) A distillation column with a partial reboiler and a total condenser is being used to separate a mixture of benzene
Ternary Mixture Separation
a A distillation column with a partial reboiler and a total condenser is being used to separate a mixture of benzene B toluene T and cumene C The feed is mol benzene, mol toluene and mol cumene. The feed is input as a saturated vapor. We desire recovery of the toluene in the bottoms and recovery of the benzene in the distillate. The reflux is returned as a saturated liquid, and CMO can be assumed. Equilibrium can be represented as constant relative volatilities. Choosing toluene as the reference component, and
Use the Fenske equation to find the number of equilibrium stages required at total reflux and the recovery fraction of cumene in the bottoms.
b For the distillation problem given in part a find the minimum reflux ratio by use of the Underwood equations. Use a basis of moles of feed Clearly state your assumptions.
c For find the total number of equilibrium stages required for the distillation problem presented in parts a and b Use the Gilliland correlation. Estimate the optimum feed plate location.
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