External Reflux Ratio in Column Design Formulas

External Reflux Ratio refers to the ratio of the liquid returned to the top of the distillation column (reflux) to the liquid withdrawn from the column (distillate). And is denoted by R_ex.

Formulas to find External Reflux Ratio in Column Design

fxMinimum External Reflux given CompositionsGo

fxExternal Reflux Ratio given Internal Reflux RatioGo

Column Design formulas that make use of External Reflux Ratio

fxInternal Reflux Ratio Given External Reflux RatioGo

List of variables in Column Design formulas

fx Distillate Composition Go

fx Equilibrium Vapor Composition Go

fx Equilibrium Liquid Composition Go

fx Internal Reflux Ratio Go

FAQ

What is the External Reflux Ratio?

External Reflux Ratio refers to the ratio of the liquid returned to the top of the distillation column (reflux) to the liquid withdrawn from the column (distillate).

Can the External Reflux Ratio be negative?

{YesorNo}, the External Reflux Ratio, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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