# Batch Rectification of an Ideal Benzene/Toluene Binary Mixture

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Consider an ideal binary mixture composed of benzene and toluene. This Demonstration performs the dynamic simulation of a batch rectification of such a mixture. Temperature is plotted versus time for selected values of the initial composition, reflux ratio, and number of theoretical stages.

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Contributed by: Housam Binous (March 2011)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

The reflux ratio is given by:

,

where is the flow rate of the liquid refluxing to the column.

When the flow rate of the distillate, , is close to zero, the reflux ratio is very high; a situation commonly called near total reflux operation.