Optimal Structure of Batch Distillation Column.htm
Optimal Structure of Batch Distillation Column
TitleOptimal Structure of Batch Distillation Column
Publication/PublisherComputers and Chemical Engineering, Vol.23, S105-S108,1999
AbstractThe optimal structure and the operation of a batch distillation columns separating ternary mixture are discussed from the viewpoint of energy conservation. The optimal reflux operation, which minimizes energy consumption, is derived for three types of batch distillation columns: rectifying, stripping and total reflux columns. The separation performance measured in terms of energy consumption is calculated for each column under different conditions. The results of the example problems show that by optimizing reflux flow rate the separation performance of the total reflux column can be considerably improved, while those of the rectifying and the stripping columns cannot. In all example cases, the separation performance of the total reflux column is equal to or better than those of the other two columns.
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