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Question: 0 use the underwood equations to estimate the minimum reflux...

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0. Use the Underwood equations to estimate the minimum reflux ratio for the separation -bydistillation of30m01% propane i propylenetoobtain 99.mo1% propylene and98. a) Calculate Rmin if the feed condition at a column operating pressure is 18 bar b) Calculate the reboiler duty for the case that the feed flow rate is 500 kmol mol% propane. 190 is (i)saturtedlíquid, (ii) saturted vapour,(iii) 50 mol% vapour. h-1 and the reflux ratio is 1.1 times Rmin. Take the heat of vaporisation of the bottom product to be 11330 kJ kmol Use the Antoine equation to estimate relative volatilities: pisat-explAi-ha where: Pt is the saturated vapour pressure in bar and T+C T is the temperature in K. Table Q10 Antoine coefficients. Component Propane Propylene Ai 9.1058 9.5749 Bi 2154.9 1999.1 Ci 25.16 -17.61
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