A fractionating column receives an equimolar mixture of styrene and ethylbenzene at a rate of 120 kmol/h. The purity of

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A Fractionating Column Receives An Equimolar Mixture Of Styrene And Ethylbenzene At A Rate Of 120 Kmol H The Purity Of 1 (32.36 KiB) Viewed 11 times

A fractionating column receives an equimolar mixture of styrene and ethylbenzene at a rate of 120 kmol/h. The purity of the top product (ethylbenzene) and that of the bottom product (styrene) must not be less than 98% and 99.5% respectively. Determine: a) The minimum external reflux ratio. b) The minimum number of ideal trays required. c) The number of ideal stages and the feed stage location if the reflux ratio is twice the minimum and the feed is a saturated liquid. The equilibrium data for ethylbenzene: у 0.0 0.0 X 0.06 0.09 0.08 0.12 0.12 0.18 0.14 0.20 0.24 0.32 0.27 0.36 0.34 0.43 0.46 0.56 0.55 0.65 0.76 0.83 0.87 0.91 0.97 0.98 1.0 1.0