PRELIMINARY MATERIAL BALANCE o Calculate distribution of key components based on separation specifications Assume that all components lighter than the light key distribute entirely to the distillate o Assume that all components heavier than the heavy key distribute entirely to the bottoms o Calculate the distribution of components with volatilities between the keys by assuming infinite reflux and using the fenske equation 9/2799 Simple distillation design 59/27/99 Simple Distillation Design 5 PRELIMINARY MATERIAL BALANCE u Calculate distribution of key components based on separation specifications u Assume that all components lighter than the light key distribute entirely to the distillate u Assume that all components heavier than the heavy key distribute entirely to the bottoms u Calculate the distribution of components with volatilities between the keys by assuming infinite reflux and using the Fenske equation