Question: Problem 1 A steady-state, countercurrent staged distillation column is to be used to separate ethanol from water. The feed is a 30 wt% ethanol and

Problem 1 A steady-state, countercurrent staged distillation column is to be used to separate ethanol from water. The feed is a 30 wt% ethanol and 70 wt% water mixture at 40C. Flow rate of feed is 10,000 kg/h. The column operates at atmospheric pressure. The reflux is returned as a saturated liquid. A reflux ratio of L/D= 3 is being used. We desire a bottoms composition of 0.05 weight fraction ethanol and a distillate composition of 0.80 weight fraction ethanol. The system has a total condenser and a partial reboiler. Find the flow rates of distillate, bottoms product and the heat duties of the condenser and reboiler

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