Question: solve a,b please Q3) (30 pts) A binary mixture containing 40mol% light-key (LK) is going to be distilled in a plate column operating at 101.3kPa.

solve a,b please solve a,b please Q3) (30 pts) A binary mixture containing 40mol% light-key

Q3) (30 pts) A binary mixture containing 40mol% light-key (LK) is going to be distilled in a plate column operating at 101.3kPa. The feed has a flowrate of 30kmol/h and enters the column as a vapor-liquid mixture in which the mole ratio of liquid to vapor is 3 . Fractional recovery of the LK is 90mol% at the top product while LK content at the top of the column is 96mol. The reflux ratio is determined to be as 1.5 times the minimum reflux ratio (Rmin). The molar latent heats of vaporization for any composition can be considered as constant. Calculate: a) Number of ideal plates b) Condenser and reboiler duties (Average latent heat 104kJ/kmol )

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