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Separation Process Engineering: Includes Mass Transfer Analysis, Third Edition by Phillip C. Wankat

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F. Problems Requiring Other Resources

F1. A distillation column separating ethanol from water uses open steam heating. The bottoms composition is 0.00001 mole fraction ethanol. The inlet steam is pure water vapor and is superheated to 700°F. The pressure is 1.0 atm. The ratio of bottoms to steam flow rate is B/S = 2.0. Find the slope of the bottom operating line.

F2. The paper by McCabe and Thiele (1925) is a classic paper in chemical engineering. Read it.

a. Write a one-page critique of the paper.

b. McCabe and Thiele (1925) show a method for finding the feed lines and middle operating lines for a column with two feeds that is not illustrated here. Generalize this approach when q ≠ 1.0.

F3.* If we wish to separate the following systems by distillation, ...

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