CHEN 3006 Lecture Notes - Lecture 39: Reboiler, Distillation
14 Apr 2015
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Problem 12. 5 we"re just setting upuse a numerical method to solve feed goes directly into the reboiler total condenser feed xf = 0. 4. 3000 mol/day length of column: l = 6. Plot y vs x, fit the data to get eqbm curve. Chen3006_masstransferandseparations page 1 part a, can just do polynomial fit. Assume total condenser: our goal is to recover 90% of ethanol. Chen3006_masstransferandseparations page 2 b/c we have such a small separation to do: now moving the feed. What is xb if you switch the feed to the optimal location? if we have sat"d liquid feed, it will all go down as it goes into column. Above feed, it"s just like normal rectifying column this line goes from (xd,xd) to (xf,yf) xf = 0. 4 --> plug this into the operating line --> yf = 0. 47. Below the feed, we have stripping q line (xd,xd) (xf,xf) (xb,xb)
