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Temperature T(F) T(K) 176.3 353.3 Ethylbenzene kPa X1 X2 Y1 Benzene kPa 101.475 122.4 16.863 1.000 Y2 0.000 0.043 187.5 0.957 21.271 26.578 146.6 0.902

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Temperature T(F) T(K) 176.3 353.3 Ethylbenzene kPa X1 X2 Y1 Benzene kPa 101.475 122.4 16.863 1.000 Y2 0.000 0.043 187.5 0.957 21.271 26.578 146.6 0.902 198.7 209.9 0.098 Benzene / Ethylbenzene System. A rectification column is fed 30,000 kgmole/hr of a mixture that is 44 mole % benzene - 54 mole % ethylbenzene at 101.325 kPa (abs) pressure. The distillate is to contain 98 mole % benzene and the bottoms 94 mole % ethylbenzene. The reflux ratio is 2.60:1.0. Assuming that the feed mixture is liquid at its boiling point (saturated liquid) determine ... a) Calculate the flowrates (mol/hr) of the distillate and bottoms. b) Determine the theoretical number of trays and the feed tray number for the specified operation. c) Determine the minimum reflux ratio, Rmin and the minimum number of theoretical trays at total reflux. d) What is the reboiler ratio for this column? Assuming that the feed mixture is saturated vapor determine ... e) Determine the theoretical number of trays and the feed tray number for the specified operation. f) Determine the minimum reflux ratio, Rmin and the minimum number of theoretical trays at total reflux. g) What is the reboiler ratio for this column? 1.000 0.793 0.624 0.485 0.369 T(C) 80.2 86.4 92.6 98.8 105.0 111.3 117.5 0.833 359.5 365.7 372.0 378.2 384.4 390.6 396.9 174.3 205.9 32.916 40.425 221.1 232.3 243.5 0.749 0.000 0.207 0.376 0.515 0.631 0.729 0.812 0.883 0.945 0.999 0.167 0.251 0.354 0.271 0.646 241.8 282.2 327.5 378.0 49.258 59.577 71.552 0.188 0.477 0.623 254.7 123.7 0.523 0.377 0.205 0.117 0.055 265.9 403.1 409.3 129.9 136.2 85.365 101.207 0.795 0.997 277.1 434.2 0.001 0.003 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 > 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1.00

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