Question: In Figure, is anything gained by totally condensing the vapor leaving each stage? Alter the processes in Figure 5.12a and 5.12b so as to eliminate

In Figure, is anything gained by totally condensing the vapor leaving each stage? Alter the processes in Figure 5.12a and 5.12b so as to eliminate the addition of heat to stages 2 and 3 and still achieve the sameseparations.

- 50.0 Q = 734 MBH V2- 34.5 V3 = 27.7 Q - 483 MBH Q = 377 MBH = 0.690 Ун = 0.803 Уна = 0.866 Унз F- 100 177°F 1

- 50.0 Q = 734 MBH V2- 34.5 V3 = 27.7 Q - 483 MBH Q = 377 MBH = 0.690 = 0.803 = 0.866 F- 100 177F 169.4F = 0.50 163.8F Stage 1 212.2F Stage 2 198.1F Stage 3 188.3F Tp= 192.3F Q = 751 MBH Q- 487 MBH Q - 376 MBH L, - 50.0 - 0.310 2 = 15.5 L3 = 6.8 = 0.544 * - 0.439 XH2 (a) V, - 60.0 , 0.678 V2 = 46.0 = 0.783 Q = 883 MBH Va = 36.1 Q - 646 MBH Q = 493 MBH = 0.853 F = 100 178F 170.4F - 0.50 164.8F Stage 1 213.4F Stage 2 200.6F/ Stage 3 190F - 192.3F TF- 2- 23.9 4= 9.9 - 0.525 L = 63.9 e = 904 MBH *, - 0.300 Q = 655 MBH = 0.414 XH2 Q - 503 MBH (b)

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