Question $3$

An enriching tower is fed $100$kmo$\frac{l}{h}$ of a saturated vapor feed containing $40$mol$\%$ component $($A$)$ at $1$ atm. The distillate is to contain $95$mol$\%$ of $($A$).$ The reflux ratio is set at $R=4.$

a$)$ Calculate the kmo$\frac{l}{h}$ distillate and bottoms and their compositions.

$[4$ marks$]$

b$)$ Determine the number of theoretical plates required.

$[11$ marks$]$

VLE data

$\backslash$table$[[x_A,0\mathrm{.}1,0\mathrm{.}2,0\mathrm{.}3,0\mathrm{.}4,0\mathrm{.}5],[y_A,0\mathrm{.}217,0\mathrm{.}385,0\mathrm{.}517,0\mathrm{.}625,0\mathrm{.}714],[x_A,0\mathrm{.}6,0\mathrm{.}7,0\mathrm{.}8,0\mathrm{.}9,],[y_A,0\mathrm{.}789,0\mathrm{.}854,0\mathrm{.}909,0\mathrm{.}957,]]$