We have a feed mixture of 22 mol% percent methanol, 47 mol% ethanol, 18 mol% n-propanol and

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Question:

We have a feed mixture of 22 mol% percent methanol, 47 mol% ethanol, 18 mol% n-propanol and 13% n- butanol. The feed is a saturated liquid and F=10,000 kmol/day. recover 99.8% of methanol in distillate and obtain a methanol mole fraction in distillate of .99.

a. Find D and B

b. Find the composition of distillate and bottoms