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Question: we want to use flash distillation to separate a feed...

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We want to use flash distillation to separate a feed consisting of 10 mol % propane, 30 mol % butane, and n-hexane the balance. Assume a feed rate of 10 kmol/h, and a drum pressure of 200 kPa. We desire a liquid that is 85 mol % n-hexane. Find Tdrum and V/F (stop calculations when the correct temperature is within 0.5C). Hints: Use trial-error approach (sequential method, and guess Tdrum.

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