Two feeds containing methanol and water are sent to the same flash drum. Feed 1 is (20

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Two feeds containing methanol and water are sent to the same flash drum. Feed 1 is \(20 \mathrm{~mol} \%\) methanol, \(F_{1}=150 \mathrm{kmol} / \mathrm{h}\), and \((V / F)_{1}=0.4\). Feed 2 is \(30 \mathrm{~mol} \%\) methanol, \(\mathrm{F}_{2}=75 \mathrm{kmol} / \mathrm{h}\), and \((\mathrm{V} / \mathrm{F})_{2}=0.6\). The drum operates at 1.0 bar and has zero heat duty.

a. Simulate with Aspen Plus and report VLE correlation used, \(x, y, V / F\), and \(\mathrm{T}_{\text {drum }}\).

b. Print an x-y diagram from Aspen Plus. Use this diagram to obtain a graphical solution of the problem.

c. Compare your answers.

d. What implicit assumption is used in the graphical solution?

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