Question

Flashing a hydrocarbon mixture An equimolar mixture of propane, n-butane, i-butene and pentane is flashed at a total pressure of 4 bar so that the ratio of the molar vapor phase flow rate and molar liquid phase flow rate is 1: nv RL Retrieve the physical properties needed from reliable sources and write a Mat- lab or Mathematica or Excel script that calculates the temperature at which the mixture has to be flashed.

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Answer #1

Propane), n-lbuutnne (2) i-butae 3, Petne (4) Compostn Since its an alkane nuxtu he urm moteu山) Raguus laur s applied Sat 2 Sat 3. g2928 2 o 3,937 520.15 2181.79 2y.28 2451.&?413 Pentane13-7447 Fom Atoine equationSa Substi tutins Sat 0.25 3 Sous 4 bah 24

Equation (4) is solved for 'T' using solver tool in Excel and the answer is :326.76 K or 53.61 deg C.

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