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

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C. Derivations

C1. For the column shown in Problem 3.D2, derive equations for D, B, Qc, and L/D.

C2. For the column shown in Problem 3.D3, derive equations for D, B, Image, and QR.

C3. Show that Eqs. (3-3) and (3-4) are valid for a column with two feeds (e.g., shown in Figure 4-18) as long as we define F = F1 + F2 and z = (F1z1 + F2z2)/F.

C4. A partial condenser takes vapor leaving the top of a distillation column and condenses a portion of it. The vapor portion of mole fraction yD is removed as the distillate product. The liquid portion of mole fraction x0 is returned to the column as reflux. The liquid and vapor leaving the partial condenser can be ...

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