0.40 0.0 0.02 0.0 0.134 93.5 91.2 89.3 0.04 0.06 0.08 0.23 0.304 0.365 87.7 0.50 0.87 0.30 0.20 0.10 0.418 0.579 0.665 0

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0 40 0 0 0 02 0 0 0 134 93 5 91 2 89 3 0 04 0 06 0 08 0 23 0 304 0 365 87 7 0 50 0 87 0 30 0 20 0 10 0 418 0 579 0 665 0 1 (65.38 KiB) Viewed 30 times

0.40 0.0 0.02 0.0 0.134 93.5 91.2 89.3 0.04 0.06 0.08 0.23 0.304 0.365 87.7 0.50 0.87 0.30 0.20 0.10 0.418 0.579 0.665 0.729 0.779 0.825 y 10. A mixture containing 30 mol % n-pentane and 70 mol% n-heptane is to be continuously distilled to produce and overhead product that contains 98% n-pentanc. 96% of the n-pentane that enters to the column in the feed is to be recovered in the overhead product. a) Using the T-xy diagram given in the figure below, prepare an xy diagram to use in carrying out distillation calculations by the McCabe- Thiele method. b) Determine the minimum number of trays required to make this separation. c) Calculate the minimum reflux ratio if the feed enters the column as a saturated liquid at its bubble point. d) Determine the number of theoretical trays if the actual reflux rate is 1.5 times the minimum value for the saturated liquid feed condition. 250- 224°F 200 X Temperature (F) 150 100 0 182°F 1 0.2 212 F Bubble-point line Dew-point line 0.4 0.6 Mole fraction of n-pentane 0.8 1.0