An acetic acid (40 mole percent) water system is to be distilled to products of 95...

 

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An acetic acid (40 mole percent) water system is to be distilled to products of 95 percent purity. The mixture enters the column 25 percent vaporized. Reflux ratio is to be 1.3 times the minimum value. Find the number of ideal stages needed. Vapor-liquid equilibrium data (mole percent acetic acid) are Liquid 0 3.77 Vapour 0 5 13.6 20.5 28.4 37.4 47 57.5 69.8 83.3 90.8 100 10 20 30 40 50 60 70 80 90 95 100 An acetic acid (40 mole percent) water system is to be distilled to products of 95 percent purity. The mixture enters the column 25 percent vaporized. Reflux ratio is to be 1.3 times the minimum value. Find the number of ideal stages needed. Vapor-liquid equilibrium data (mole percent acetic acid) are Liquid 0 3.77 Vapour 0 5 13.6 20.5 28.4 37.4 47 57.5 69.8 83.3 90.8 100 10 20 30 40 50 60 70 80 90 95 100

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