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The mixture of A (LK equivalent) and B is to be separated through the distillation column connected with the total condenser and the partial reboiler. When the specified-liquid feed (F; 100 mol/h) containing 50 mol% of A is supplied and is operated through the design conditions below. The composition of A in distillate(D) was 0.96 and the composition of A in bottom(B) was 0.18
(a) Calculate Total equilibrium units (including partial
reboiler)
(b) Calculate the location of the raw material supply (a number of
positions down from the top plate);
(c) calculate the slope for each control line.
However, the relative velocity (αA-B) of A and B is 2.57, and
the answer (a) and (b) is an integer.
Design conditions: The operating reflux ratio is set at 1.83 times
the minimum reflux ratio (Rmin).