Question: BE AWARE THAT IT IS A TRAY TOWER , NOT A PACKED TOWER. Q: Acetone is to be recovered from a 5 per cent acetone-air

BE AWARE THAT IT IS A TRAY TOWER , NOT A PACKED TOWER.

Q: Acetone is to be recovered from a 5 per cent acetone-air mixture by scrubbing with water in a TRAY tower using counter-current flow. The liquid rate is 0.85 kg/m2 s and the gas rate is 0.5 kg/m2 s. The overall absorption coefficient KGa may be taken as 1.5 x 10-4 kmol/m3 s kPa and the gas-film resistance controls the process. What height of tower is required tower to remove 98 per cent of the acetone? The equilibrium data for the mixture are: Mole fraction acetone in gas 0.0099 0.0196 0.0361 0.0400 Mole fraction acetone in liquid 0.0076 0.0156 0.0306 0.033

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