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

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A. Discussion Problems

A1. What is the designer trying to do in the extraction equipment shown in Figure 13-2 and listed in Table 13-1? Why are there so many types of extraction equipment and only two major types of equipment for vapor-liquid contact?

A2. Write your key relations chart for this chapter.

A3. For Figure 13-23 suppose we desired to obtain the desired raffinate concentration with exactly two equilibrium stages. This can be accomplished by changing the amount of solvent used. Would we want to increase or decrease the amount of solvent? Explain the effect this change will have on M, EN, Δ, and the number of stages required.

A4. All the partially miscible calculations in this chapter use right triangle diagrams. What differences would ...

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