Question: (Drawing the feed line for different feed conditions) A mixture of benzene and toluene containing 58 mole% benzene is to be separated in a continuous

(Drawing the feed line for different feed conditions) A mixture of benzene and toluene containing 58 mole\% benzene is to be separated in a continuous column operating at 1 atm total pressure. Draw the feed line for the following feed conditions: (a) saturated liquid, (b) saturated vapour, (c) 65 mass % vapour, (d) vapour at 120C, and (e) liquid at 50C. The other relevant data are given as follows: Benzene: average specific heat of liquid = 146.5kJ/kmolK, of vapour =97.6kJ/kmolK; heat of vaporization =30,770kJ/kmol. Toluene: average specific heat of liquid =170kJ/kmolK, of vapour =124.3kJ/kmolK; heat of vaporization =32,120kJ/kmol
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