Chemical Engineering > GATE 2017 > Murphree Efficiency
The composition of vapour entering a tray in a distillation column is 0.47. The average composition of the vapour leaving the tray is 0.53. The equilibrium composition of the vapour corresponding to the liquid leaving this tray is 0.52. All the compositions are expressed in mole fraction of the more volatile component. The Murphree efficiency based on the vapour phase, rounded to the nearest integer, is
Correct : 120
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