A distillation column at (101.3 mathrm{kPa}) is separating a two-phase feed that is (60.0 %) liquid, (40.0

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A distillation column at \(101.3 \mathrm{kPa}\) is separating a two-phase feed that is \(60.0 \%\) liquid, \(40.0 \mathrm{~mol} \%\) methanol, and \(60.0 \mathrm{~mol} \%\) water. Distillate product is \(92.0 \mathrm{~mol} \%\) methanol, and bottoms is \(4.0 \mathrm{~mol} \%\) methanol. A total reboiler and a total condenser are used. Reflux is a saturated liquid. Assume CMO and use L/D \(=0.9\). Under these conditions \(\mathrm{H}_{\mathrm{G}}=\) \(1.3 \mathrm{ft}\) and \(\mathrm{H}_{\mathrm{L}}=0.8 \mathrm{ft}\) in both the enriching and stripping sections. Determine the required heights of both the enriching and stripping sections. Equilibrium data are given in Table 2-8.

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