Lecture #20 S15 CBE217.pptx - CBE 217 Lecture#20 Hand out...

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CBE 217 Lecture #20 – April 14, 2015 Hand out Projects: Aspen due 4/2, Design due 4/30 Process conditions for the design project groups will be posted by tomorrow. 1
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Homework 9 due 4/21/15 1. Felder and Rousseau (F&R) Problem 6.52 2. F&R Problem 6.54 NOTE: You do not need to use the Cox chart unless you want to, just use Antoine’s Equation for vapor pressures. For propane use the following: A B C 6.80398 803.810 246.990 3. F&R Problem 6.57 NOTE: AIR is NOT condensable (Answer for part b: Tdp = 71.1°C) 4. IN ADDITION to the question in 6.57 stated in the text, also complete the following: c) For the mixture in part (a), determine the bubble point pressure if the mixture is at 25°C, and find the composition of the first vapor bubble. d) For the mixture in part (b), determine the dew point pressure if the mixture is at 100°C, and find the composition of the first drop of liquid.
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Examples (from last class): 1. Calculate the temperature and composition of a vapor in equilibrium with a liquid that is 40 mole % benzene and 60 mole %
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