Example: 95 °C (368.2 K) for benzene (A)- 1) Calculate the vapor and liquid compositions in equilibrium at toluene (B) u
Posted: Thu May 26, 2022 12:17 pm
Example: 95 °C (368.2 K) for benzene (A)- 1) Calculate the vapor and liquid compositions in equilibrium at toluene (B) using the vapor pressure from table 1.0 at 101.32 kPa. VAPOR PRESSURE Temperature Benzene Toluene K с mm Hg kPa (pB) mm Hg 353.3 80.1 760 358.2 85 877 46.0 345 363.2 90 1016 54.0 405 368,2 95 1168 63.3 475 373.2 100 1344 74.3 557 378.2 105 1532 86.0 645 383.8 110.6 1800 101.32 760 2) Using data above: a) Boiling point diagram b) Plot Equilibrium curve (x vs y) c) Calculate the relative volatility for n-Benzene - Toluene binary mixture at 1 atm. K COMPOSITION IN LIQUID COMPOSITION IN VAPOR Relative volative XA xB УА yB 353.3 1 0 1 0 358.2 0.78 0.12 0.9 0.1 363.2 0.58 0.42 0.78 0.22 368.2 0.41 0.59 0.63 0.37 373.2 0.26 0.74 0.46 0.46 378.2 0.13 0.87 0.26 0.74 383.8 0 1 0 1 BENZENE COMPONENT A (low bp TOLUENE COMPONENT B (high bp) kPa (PA) 101.32 116.9 135.5 155.7 179.2 204.2 240.0