Question

Asked Jan 29, 2019

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A typical column is shown in figure together with the known information for each stream. Calculate the kilograms of distillate per kilogram of feed and per kilogram of waste.

Step 1

Let the basis of the process be taken as 100 kg feed (F). Apply material balance on the overall process across the given system boundary. The total mass balance is given by equation (1) and the mass balance on ethanol (EtOH) is given by equation (2).

Step 2

Solve equation (1) and (2) simultaneously to get the value of D and W as:

Step 3

Now, calculate kilograms of distillate (...

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