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Engineering, 19.12.2019 06:31 dontap3037
Ninety-five percent of the acetone vapor in an 85 vol.% air stream is to be absorbed by countercurrent contact with pure water in a valve-tray column with an expected overall tray efficiency of 50 %. the column will operate essentially at 20 ºc and 101 kpa pressure. equilibrium data for acetone-water at these conditions are: mole percent acetone in water 3.30 7.20 11.7 17.1 acetone partial pressure in air, torr 30.00 62.80 85.4 103.0 calculate:
(a) the minimum value of s/g, the ratio of moles of water per mole of air.
(b) the number of equilibrium stages required using a value of s/g of 1.25 times the minimum. ( indicate operating line obviously)
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Ninety-five percent of the acetone vapor in an 85 vol.% air stream is to be absorbed by countercurre...
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