The hydrocarbon feed to a distillation column is a bubblepoint liquid at 300 psia with the mole
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The hydrocarbon feed to a distillation column is a bubblepoint liquid at 300 psia with the mole fraction composition, C2 = 0.08, C3 = 0.15, nC4 = 0.20, nC5 = 0.27, nC6 = 0.20, and nC7 = 0.10. prefetch
(a) For a sharp separation between nC4 and nC5, determine the column pressure and type of condenser if condenser outlet temperature is 120°F.
(b) At total reflux, determine the separation for eight theoretical stages overall, specifying 0.01 mole fraction nC4 in the bottoms product.
(c) Determine the minimum-reflux ratio for the separation in part (b).
(d) Determine the number of theoretical stages at L/D = 1.5 times minimum using the Gilhland correlation.
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