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

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12.3 Stripping Analysis for Dilute Systems

Since stripping is very similar to absorption we expect the method to be similar. The mass balance for the column shown in Figure 12-4 is the same as for absorption and the operating line is still

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Figure 12-4. Stripping column

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For stripping we know x0, xN, yN+1, and L/V. Since (xN, yN+1) is a point on the operating line, we can plot the operating line and step off stages. This is illustrated in Figure 12-5.

Figure 12-5. McCabe-Thiele diagram for stripping

Note that the operating line is below the equilibrium ...

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