Question: 90C and Pdrum drum D22. A flash drum is separating a feed that is 50 wt % n-propanol and 50 wt % isopropanol with F=100

90C and Pdrum drum D22. A flash drum is separating a

90C and Pdrum drum D22. A flash drum is separating a feed that is 50 wt % n-propanol and 50 wt % isopropanol with F=100 kmol/h. T 101.3 kPa. Use the Rachford-Rice equa- tion to find V/F. Note: This does not have to be trial and error. Then find y and x. Determine K values from Raoult's law using Antoine equation for vapor pressure. Watch your units. The Antoine constants are (Dean, 1985): n-propanol: A = 7.84767, B = 1499.2, C = 204.64 isopropanol: A = 8.11778, B = 1580.9, C = 219.61 where the form of the Antoine equation is B logo (Vp) = A - VP in mm Hg and T in C. T+C

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