# the feed to distillation column is 100gmole/h. the feed composition is 40 mol℅ benzene and the rest is toluene. there are two products P1 and P2. the ratio of the two products is 1/2 and P1 is 90 mol℅ benzene. Calculate the flow rate and composition of P2

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• the feed to distillation column is 100gmole/h. the feed composition is 40 mol℅ benzene and the rest is toluene. there are two products P1 and P2. the ratio of the two products is 1/2 and P1 is 90 mol℅ benzene. Calculate the flow rate and composition of P2
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Step 1

Let, Benzene = B and Toluene = T

xF = 0.4 mol B/mol (mole fraction of benzene in feed stream)

yB = 0.9 mol B/mol (mole fraction of benzene in product 1 stream)

Basis of the calculation is taken as 100 mol/h of feed. Schematic diagram of the given process is:

Step 2

The ratio of the two products is given as:

Step 3

Apply mole balance for the ...

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