Acetone-methanol system

Q1. A liquid vapor equilibrium experiment is conducted at 101.32 kPa using binary mixture with 30 mole% acetone (A) and 70 mole% methanol (B). Table Q1 shows the boiling point-equiibrium data. Assuming Raoults and Daltons laws apply. Table Q1: Boiling point-equiibrium data of acetone-methanol system at 101.32 kPa. (Source of Data: McCabe, W.L., Smith, J.C., and Harriott, P. (2005). Unit operations of chemical engineering (7th ed.). Mc-Graw Hill.) Temperature (C) Mole fraction acetone in liquid Mole fraction acetone in vapor 64.5 0.00 0.00 62.5 0.10 0.186 58.65 0.30 0.428 56.7 0.50 0.586 55.3 0.70 0.725 55.05 0.80 0.80 56.1 1.00 1.00 (a) Draw the T-x-y diagram at total pressure of 101.32 kPa. (6 marks) (b) Based on the T-x-y diagram, (i) determine the temperatures and composition of mixture at bubble point and dew point. (6 marks) (ii) determine the possibility to separate components A and B via distillation process at 60 C. [Notes: Use relative volatility in determining the possibility.]

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