![]() If α A−ref = α B−ref, how does component A distribute?Ī7. ![]() Suppose you are doing a ternary distillation where component B, the LK, has a 98.3% recovery in the distillate, and component C, the HK, has a 99.8% recovery in the bottoms. ![]() With the ready availability of process simulators, why do chemical engineers still use the Fenske-Underwood-Gilliland (FUG) method?Ī6. In multicomponent distillation the Fenske equation can be used to:Įstimate the fractional recoveries of the NKs at total reflux.Ĭalculate the number of equilibrium contacts at minimum reflux.Įstimate the average K value of the LK at total reflux.Ī5. Develop your key relations chart for this chapter.Ī4. If you want to use an average relative volatility, how do you calculate it for the Underwood equation?Ī3. Separation Process Engineering, 5th EditionĪ2.
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