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A mixture ( total flow rate = 1 0 0 kmol / hr ) with 2 8 mol % n - hexane, 4 2 mol
A mixture total flow rate kmolhr with mol nhexane, mol n
heptane, and mol of noctane is to be distillated to produce a distillate product with mol of n
heptane and a bottoms product with mol nhexane. The column operates at atm with of feed
being in vapor state. At atm, the relative volatilities of hexane and heptane with respect to octane are
approximated to be and respectively. a Calculate the number of equilibrium stages required to achieve this product specification at total reflux. assume that the reflux ratio is higher than the
minimum reflux ratio. b Calculate the number of equilibrium stages required to achieve this product specification.
c Estimate the feed stage location counting from the top of the columnd Suppose the average tray efficiency is in the rectifying section and in the stripping section,
estimate the number of trays inside the column and the feed tray number
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