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Question: a1 assignment 1 absorption of acetone from air by water...

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A.1 Assignment 1 Absorption of acetone from air by water at 20°C and 101 kPa (760 torm) in a : valve-tray column. Given: 100 kmol/h of feed gas containing 85 mo1% air and i 5 mol% acetone. Pure water is the absorbent. Overall tray efficiency is 50%. Absorb 95% of the acetone. Equilibrium pr data for acetone are given as listed below Assumptions: Negligible absorption of air and stripping of water. Find: (a) Minimum ratio, LV of moles of water/mole of air (b) Number of equilibrium stages for LYV. # 1.25 times minimum. (c) Concentration of acetone in the exit water. p-x Equilibrium data p, torr 30.0 0.033 62.8 0.072 85.4 0.117 103.0 0.171
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