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12 - 5 Pa At this temperature and pressure and for the...

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CHE 378: Heat and Mass Transfer Spring 2008 Homework 12 Due: Friday, April 25, 2008 at the beginning of lecture 1. An exhaust gas stream leaving a semiconductor fabrication building contains 4 mole% acetone and 96 mole% air. Twenty-five cubic meters per minute of this gas enters the bottom of a packed absorption tower and flows countercurrent to 100 kg/min of water. The tower is operated at 295 K and 1.013 x 10
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Unformatted text preview: 5 Pa. At this temperature and pressure and for the dilute concentrations involved, the equilibrium for the acetone-water system is represented by: acetone acetone x y 265 . = If the exit gas system contains only 0.5% acetone, determine (a) the ratio of (L s /G s ) actual / (L s /G s ) minimum (b) the concentration of the exiting liquid stream 2. Middleman 7.14 3. Review for the exam!...
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